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Google Keyword Rankings for : dds vfo buffer amplifier
1
DDS Buffer Amplifier
https://www.pongrance.com/dds-buffer.html
DDS Buffer Amplifier. The output my DDS is the unbuffered The voltage is rather low (~300mV P-P) but it drives active mixers (e.g. SA612) with no problem.
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https://www.pongrance.com/dds-buffer.html
DDS Buffer Amplifier. The output my DDS is the unbuffered The voltage is rather low (~300mV P-P) but it drives active mixers (e.g. SA612) with no problem.
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2
DDS VFO Amplifier - RCD CasaRain
https://casarain.com/products/dds-vfo-amplifier
Barely larger than a postage stamp, our amplifier will terminate your AD9850 based DDS in the proper 200 ohm load and provide approximately 10x voltage gain ...
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https://casarain.com/products/dds-vfo-amplifier
Barely larger than a postage stamp, our amplifier will terminate your AD9850 based DDS in the proper 200 ohm load and provide approximately 10x voltage gain ...
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3
DDS Buffer Amp - Rob's Blog
https://robs-blog.net/2016/02/09/dds-buffer-amp/
The receiver is direct conversion, the DDS VFO is built, but as it outputs 270mV RMS, it is not powerful enough to drive a ring mixer that ...
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https://robs-blog.net/2016/02/09/dds-buffer-amp/
The receiver is direct conversion, the DDS VFO is built, but as it outputs 270mV RMS, it is not powerful enough to drive a ring mixer that ...
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4
Reviews For: Hagerty Radio Company DDS buffer amplifier
https://www.eham.net/reviews/view-product?id=10551
Review Summary For : Hagerty Radio Company DDS buffer amplifier. Reviews: 2, MSRP: $39.00 + $5.00 S/H. Description: VFO buffer amplifier.
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https://www.eham.net/reviews/view-product?id=10551
Review Summary For : Hagerty Radio Company DDS buffer amplifier. Reviews: 2, MSRP: $39.00 + $5.00 S/H. Description: VFO buffer amplifier.
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5
An Improved VFO Driver Amp for Tube Rigs - WA1FFL
https://www.wa1ffl.com/VFO_driver_amp.pdf
1– Schematic of Doug DeMaw, W1FB's, solid-state VFO amplifier circuit, as ... the DDS-VFO and buffer amp driving the rig. With the buffer.
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https://www.wa1ffl.com/VFO_driver_amp.pdf
1– Schematic of Doug DeMaw, W1FB's, solid-state VFO amplifier circuit, as ... the DDS-VFO and buffer amp driving the rig. With the buffer.
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6
A Digital VFO for Vintage Transmitters by Greg Latta, AA8V
https://www.frostburg.edu/personal/latta/ee/vfo/vfo.html
The heart of the VFO is a synthesizer from N3ZI called the "Super DDS". ... My buffer amplifier is wired on a small piece of perf /vector board, ...
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https://www.frostburg.edu/personal/latta/ee/vfo/vfo.html
The heart of the VFO is a synthesizer from N3ZI called the "Super DDS". ... My buffer amplifier is wired on a small piece of perf /vector board, ...
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7
Digital (DDS) VFO kit - need 5 watt buffer amp - Amfone.net
http://amfone.net/Amforum/index.php?topic=35208.0;wap2
Here is a 2N2222 buffer amp I will build to bring the VFO drive up to 2 volts into a 50 ohm load. (80 mW) http://www.pongrance.com/dds-buffer.html
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http://amfone.net/Amforum/index.php?topic=35208.0;wap2
Here is a 2N2222 buffer amp I will build to bring the VFO drive up to 2 volts into a 50 ohm load. (80 mW) http://www.pongrance.com/dds-buffer.html
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8
VK5TM DDS Signal Generator
https://www.vk5tm.com/homebrew/dds/dds.php
A DDS based Signal Generator/VFO. ... The amp/buffer stages and ALC will be on a seperate pcb, this way, if you have a favourite output stage, ...
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https://www.vk5tm.com/homebrew/dds/dds.php
A DDS based Signal Generator/VFO. ... The amp/buffer stages and ALC will be on a seperate pcb, this way, if you have a favourite output stage, ...
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9
qrptech@groups.io | VFO buffer/amp
https://groups.io/g/qrptech/topic/vfo_buffer_amp/75426258?p=
I have tried a simple emitter follower stage after the buffer amp output ... HW-101s on the web, converted to DDS or SiliconLabs VFO though.
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https://groups.io/g/qrptech/topic/vfo_buffer_amp/75426258?p=
I have tried a simple emitter follower stage after the buffer amp output ... HW-101s on the web, converted to DDS or SiliconLabs VFO though.
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10
VFO DDS - F6HOY
http://www.f6hoy.com/vfo-dds/
A VFO 80 / 40 m for the Johnson Viking and others Vintage Transmitters ... Therefore the Wavehunter VFO must be followed by a buffer-amplifier.
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http://www.f6hoy.com/vfo-dds/
A VFO 80 / 40 m for the Johnson Viking and others Vintage Transmitters ... Therefore the Wavehunter VFO must be followed by a buffer-amplifier.
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11
KX5X Photo Page
http://www.4sqrp.com/kits/SS40/kx5xphotopage.html
Archie has combined the SS-40, a DDS VFO, a Transmitter strip into a 20M ... a DDS buffer / key interface & control and a class E power amp for the ...
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http://www.4sqrp.com/kits/SS40/kx5xphotopage.html
Archie has combined the SS-40, a DDS VFO, a Transmitter strip into a 20M ... a DDS buffer / key interface & control and a class E power amp for the ...
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12
Text - ARRL
http://www.arrl.org/files/file/Morse/Archive/40%20WPM/150106_40.txt
FIGURE 2 SHOWS THE DDS BOARD, BUFFER AMPLIFIER, AND KEYING INPUT. I WANTED TO USE THE SYNTHESIZER BOTH AS A VFO AND AS A SIGNAL GENERATOR, ...
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http://www.arrl.org/files/file/Morse/Archive/40%20WPM/150106_40.txt
FIGURE 2 SHOWS THE DDS BOARD, BUFFER AMPLIFIER, AND KEYING INPUT. I WANTED TO USE THE SYNTHESIZER BOTH AS A VFO AND AS A SIGNAL GENERATOR, ...
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13
DDS VFO | AD9850, Arduino, LT1253, DDS 1 to 30 ... - Flickr
https://www.flickr.com/photos/wb5kcm/14364293502
LT1253 Buffer Amplifier, 35 MHz filter added on the output. Comment. 1,665 views. 0 faves. 1 comment. Taken on May 15, 2014. All rights reserved.
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https://www.flickr.com/photos/wb5kcm/14364293502
LT1253 Buffer Amplifier, 35 MHz filter added on the output. Comment. 1,665 views. 0 faves. 1 comment. Taken on May 15, 2014. All rights reserved.
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14
Playing with a buffer amplifier for a DDS… - Brainwagon
https://brainwagon.org/2015/05/01/playing-with-a-buffer-amplifier-for-a-dds/
I tinkered together a circuit for a buffer amplifier that I thought would be good to use with the AD9850 DDS board I have.
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https://brainwagon.org/2015/05/01/playing-with-a-buffer-amplifier-for-a-dds/
I tinkered together a circuit for a buffer amplifier that I thought would be good to use with the AD9850 DDS board I have.
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15
AD9850 DDS VFO - AD7C
http://www.ad7c.com/projects/ad9850-dds-vfo/
I built This VFO and it works great. If you need more power try this site. http://www.pongrance.com/dds-buffer.html. I also built this amp and it gave a ...
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http://www.ad7c.com/projects/ad9850-dds-vfo/
I built This VFO and it works great. If you need more power try this site. http://www.pongrance.com/dds-buffer.html. I also built this amp and it gave a ...
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16
Crystal Bank for Vintage Gear
https://w5gw.com/images/xtal.pdf
The N3ZI DDS2 VFO drove my Viking II after I designed and built a buffer amplifier for it; but tuning was sometimes jerky with the mechanical contact rotary ...
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https://w5gw.com/images/xtal.pdf
The N3ZI DDS2 VFO drove my Viking II after I designed and built a buffer amplifier for it; but tuning was sometimes jerky with the mechanical contact rotary ...
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17
AN-557 APPLICATION NOTE - Analog Devices
https://www.analog.com/media/en/technical-documentation/application-notes/an-557.pdf
The theoretical frequency range of the DDS chip and control logic is from audio to half the reference clock frequency. In practice, the LPF and buffer amplifier ...
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https://www.analog.com/media/en/technical-documentation/application-notes/an-557.pdf
The theoretical frequency range of the DDS chip and control logic is from audio to half the reference clock frequency. In practice, the LPF and buffer amplifier ...
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18
DDS VFO - QSL.net
https://www.qsl.net/ai3d/dds_vfo.html
Measurements of the circuit show that my LVPECL oscillator noise floor is the ... is a phase noise plot of the overall DDS performance after the buffer and ...
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https://www.qsl.net/ai3d/dds_vfo.html
Measurements of the circuit show that my LVPECL oscillator noise floor is the ... is a phase noise plot of the overall DDS performance after the buffer and ...
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19
Arduino DDS VFO with AD9850 module - YouTube
https://www.youtube.com/watch?v=upxaa2QvQxo
Mirko Pavleski
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https://www.youtube.com/watch?v=upxaa2QvQxo
Mirko Pavleski
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20
MOSFET amplifier for DDS signal generator
http://pages.suddenlink.net/wa5bdu/dds_amp.htm
This is a circuit designed to boost the output of a DDS signal generator or VFO to the level where it could be a QRP transmitter or could be used to drive a ...
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http://pages.suddenlink.net/wa5bdu/dds_amp.htm
This is a circuit designed to boost the output of a DDS signal generator or VFO to the level where it could be a QRP transmitter or could be used to drive a ...
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21
DK8KW Longwave Information (Station)
http://www.qru.de/station.htm
This DDS VFO type II is a real "overkill" for longwave, as it goes from 0 Hz ... The TX contains a 2-stage buffer using one MAV 3 and one single IRFP 450 to ...
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http://www.qru.de/station.htm
This DDS VFO type II is a real "overkill" for longwave, as it goes from 0 Hz ... The TX contains a 2-stage buffer using one MAV 3 and one single IRFP 450 to ...
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22
STB - ddsvfo.com
https://www.ddsvfo.com/vfp-stb
VFOFRONT. VFO-STB Back. VFO DC. RCA-VFO. Xtal to RCA. STB Manual ... needed a buffer amp on tube rigs...not to exciting, but it did the job.
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https://www.ddsvfo.com/vfp-stb
VFOFRONT. VFO-STB Back. VFO DC. RCA-VFO. Xtal to RCA. STB Manual ... needed a buffer amp on tube rigs...not to exciting, but it did the job.
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23
RF-AMP Documentation - Kibler Electronics
http://www.kiblerelectronics.com/bob/products/rf_amp/rf_amp.html
The board was initially produced to amplify the output of the 9833 DDS chip. The board was also intended for Amateur Radio applications (e.g., a buffer ...
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http://www.kiblerelectronics.com/bob/products/rf_amp/rf_amp.html
The board was initially produced to amplify the output of the 9833 DDS chip. The board was also intended for Amateur Radio applications (e.g., a buffer ...
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24
VFO - kk9jef
https://kk9jef.wordpress.com/tag/vfo/
The amplifier is a three-stage design, with a 2n3904 buffer feeding a BD139 driver and ... Re-purposing some hardware and code from my DDS VFO project, ...
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https://kk9jef.wordpress.com/tag/vfo/
The amplifier is a three-stage design, with a 2n3904 buffer feeding a BD139 driver and ... Re-purposing some hardware and code from my DDS VFO project, ...
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25
Micom 100 SSB N3ZI DDS VFO? - Batboard
http://batboard.batlabs.com/viewtopic.php?p=463060
I understand from reading a previous post that a buffer amplifier will be be necessary to use between the VFO and crystal oscillator in the ...
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http://batboard.batlabs.com/viewtopic.php?p=463060
I understand from reading a previous post that a buffer amplifier will be be necessary to use between the VFO and crystal oscillator in the ...
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26
The 40-30 CW Transmitter - SolOrb.com
http://www.solorb.com/elect/hamcirc/4030trans/
The external VFO is based on a 1990s vintage A&A Engineering Direct Digital Synthesis (DDS) board driving a NE5205N 20dB buffer amplifier IC.
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http://www.solorb.com/elect/hamcirc/4030trans/
The external VFO is based on a 1990s vintage A&A Engineering Direct Digital Synthesis (DDS) board driving a NE5205N 20dB buffer amplifier IC.
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27
ad9850 dds vfo | caarc
http://www.caarc.ca/wp-caarc/wp-content/uploads/2015/06/AD9850-DDS-VFO-1.pdf
AD9850 DDS VFO. Earl Rubin 4Z4TJ. While shopping on line I came across a AD9850 DDS Signal Generator Module ... Then I will add a buffer amplifier and.
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http://www.caarc.ca/wp-caarc/wp-content/uploads/2015/06/AD9850-DDS-VFO-1.pdf
AD9850 DDS VFO. Earl Rubin 4Z4TJ. While shopping on line I came across a AD9850 DDS Signal Generator Module ... Then I will add a buffer amplifier and.
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28
Build a VFO 4 OLD tube transceiver? : r/amateurradio - Reddit
https://www.reddit.com/r/amateurradio/comments/colht9/build_a_vfo_4_old_tube_transceiver/
I have an AD9850 DDS module controlled by an Arduino with a buffer-amplifier than has made my old Heathkit DX-20 frequency agile.
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https://www.reddit.com/r/amateurradio/comments/colht9/build_a_vfo_4_old_tube_transceiver/
I have an AD9850 DDS module controlled by an Arduino with a buffer-amplifier than has made my old Heathkit DX-20 frequency agile.
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29
Raspberry Pi Based DDS-VFO For Drake 4-Line Twins
https://www.smbaker.com/raspberry-pi-based-dds-vfo-for-drake-4-line-twins
Each one uses a 10K pot for level control and then a two transistor driver using 2N2222 transistors. The buffer came from K3JLS as well, but I ...
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https://www.smbaker.com/raspberry-pi-based-dds-vfo-for-drake-4-line-twins
Each one uses a 10K pot for level control and then a two transistor driver using 2N2222 transistors. The buffer came from K3JLS as well, but I ...
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30
An Improved VFO Driver Amp for Tube Rigs - PDFSLIDE.NET
https://pdfslide.net/documents/an-improved-vfo-driver-amp-for-tube-rigs.html
1– Schematic of Doug DeMaw, W1FB's, solid-state VFO amplifier circuit, ... was to drive my 1965HT-40 transmitter with the DDS-VFOand buffer-amp combination.
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https://pdfslide.net/documents/an-improved-vfo-driver-amp-for-tube-rigs.html
1– Schematic of Doug DeMaw, W1FB's, solid-state VFO amplifier circuit, ... was to drive my 1965HT-40 transmitter with the DDS-VFOand buffer-amp combination.
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31
HW-101 DDS Installation Dec 2011.pdf - W7EKB
http://www.w7ekb.com/Personal/HW101/HW-101/HW-101%20DDS%20Installation%20Dec%202011.pdf
The following are the steps required to replace the VFO with the N4YG DDS System: 1. PC Board Assembly. 2. Old VFO Removal. 3. 6AU6 Buffer/Amplifier ...
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http://www.w7ekb.com/Personal/HW101/HW-101/HW-101%20DDS%20Installation%20Dec%202011.pdf
The following are the steps required to replace the VFO with the N4YG DDS System: 1. PC Board Assembly. 2. Old VFO Removal. 3. 6AU6 Buffer/Amplifier ...
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32
dds buffer amplifier :: *** خاطرات راديو آماتوري ***
https://3radioamateurd.niloblog.com/last-search/?q=dds-buffer-amplifier
dds amplifier/dds amplifier circuit/dds buffer amplifier/dds output amplifier/dds vfo amplifier/dds power amplifier/dds rf amplifier/ad9850 dds ...
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https://3radioamateurd.niloblog.com/last-search/?q=dds-buffer-amplifier
dds amplifier/dds amplifier circuit/dds buffer amplifier/dds output amplifier/dds vfo amplifier/dds power amplifier/dds rf amplifier/ad9850 dds ...
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33
XFY 43 VFO - G4OEP
http://g4oep.epizy.com/xfy/xfy.htm
This is a description of an experimental miniature valve vfo running at 5MHz with a transistor buffer amplifier. The concept was later developed into a ...
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http://g4oep.epizy.com/xfy/xfy.htm
This is a description of an experimental miniature valve vfo running at 5MHz with a transistor buffer amplifier. The concept was later developed into a ...
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34
Transmitter Building Blocks
https://ftp.unpad.ac.id/orari/orari-diklat/teknik/homebrew/oscillator/Transmitter%20Building%20Blocks.htm
VFO AND BUFFER AMP ... The DDS synthesizer uses a high speed DAC (digital to analogue converter) and a look-up-table of sine/cosine values stored in a ROM ...
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https://ftp.unpad.ac.id/orari/orari-diklat/teknik/homebrew/oscillator/Transmitter%20Building%20Blocks.htm
VFO AND BUFFER AMP ... The DDS synthesizer uses a high speed DAC (digital to analogue converter) and a look-up-table of sine/cosine values stored in a ROM ...
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35
Multi-purpose VFO for Your Rigs - Hamradio.in
https://www.hamradio.in/circuits/vfo.php
For getting sufficient RF output level you can change the coupling capacitor 47 PF to 100 PF at OSC output to Buffer Amplifier input. L1 turns, Tank capacitor ...
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https://www.hamradio.in/circuits/vfo.php
For getting sufficient RF output level you can change the coupling capacitor 47 PF to 100 PF at OSC output to Buffer Amplifier input. L1 turns, Tank capacitor ...
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36
Tram D201 external VFO low output
https://www.worldwidedx.com/threads/tram-d201-external-vfo-low-output.243770/
I am searching to find a output amplifier for the siltronix 90-3. i have found some info for a little amp. but its for a dds vfo.
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https://www.worldwidedx.com/threads/tram-d201-external-vfo-low-output.243770/
I am searching to find a output amplifier for the siltronix 90-3. i have found some info for a little amp. but its for a dds vfo.
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37
QRP Homebuilder - KE7HR Home Page
https://ke7hr.com/caveradio/QRP_Homebuilder.pdf
You can also see the VFO buffer/amp and the audio transformer. ... You really need a DDS or a Si570 based signal generator and preferably a spectrum ...
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https://ke7hr.com/caveradio/QRP_Homebuilder.pdf
You can also see the VFO buffer/amp and the audio transformer. ... You really need a DDS or a Si570 based signal generator and preferably a spectrum ...
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38
Block diagram of an f.m. transmitter - BRATS-qth.org
https://brats-qth.org/training/advanced/trandrec1.htm
Note B In the diagram an alternative is for the Audio Amplifier to feed Phase Modulation directly to the Buffer Amplifier. Phase modulation works by modulating, ...
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https://brats-qth.org/training/advanced/trandrec1.htm
Note B In the diagram an alternative is for the Audio Amplifier to feed Phase Modulation directly to the Buffer Amplifier. Phase modulation works by modulating, ...
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39
JUMA-TRX2 DDS / Control Board description
http://www.jumaradio.com/juma-trx2/rev-b/JUMA-TRX2_DDS_Control_board_description.pdf
Key functions of the JUMA-TRX2 DDS / Control board are: ... and VFO encoder ... PA board contains SWR bridge, power peak detectors and buffer amplifier.
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http://www.jumaradio.com/juma-trx2/rev-b/JUMA-TRX2_DDS_Control_board_description.pdf
Key functions of the JUMA-TRX2 DDS / Control board are: ... and VFO encoder ... PA board contains SWR bridge, power peak detectors and buffer amplifier.
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40
dds vfo buffer amplifier - Sensuallovetoys.de
https://vuf.sensuallovetoys.de/en/gyrl
The buffer amplifier output was ac Fig 1—DDS VFO output drift ... Nov 17, 2013 · Re: Digital (DDS) VFO kit - need 5 watt buffer amp « Reply #17 on: November ...
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https://vuf.sensuallovetoys.de/en/gyrl
The buffer amplifier output was ac Fig 1—DDS VFO output drift ... Nov 17, 2013 · Re: Digital (DDS) VFO kit - need 5 watt buffer amp « Reply #17 on: November ...
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41
DL-QRP-AG - QRPproject
https://www.qrpproject.de/Media/pdf/Spatz80ManualUK.pdf
Section 7 Exciter and amplifier up to and including TR1/C86. 31 ... stable output of a DDS VFO with the output from a band set crystal oscilla-.
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https://www.qrpproject.de/Media/pdf/Spatz80ManualUK.pdf
Section 7 Exciter and amplifier up to and including TR1/C86. 31 ... stable output of a DDS VFO with the output from a band set crystal oscilla-.
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42
minivfo - SV3ORA
http://qrp.gr/minivfo/
The buffer amplifiers draw almost 60mA. To make the level of the VFO more constant at all frequencies, I tested an ALC loop that I had previously used in audio ...
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http://qrp.gr/minivfo/
The buffer amplifiers draw almost 60mA. To make the level of the VFO more constant at all frequencies, I tested an ALC loop that I had previously used in audio ...
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43
Sitemap - The American QRP Club
https://amqrp.org/sitemap/
Solid State VXO, Buffer Amplifier and Keying Circuit For Tube Rigs · The SMK-1 on 20 Meters · NB610: A Homebrew 10 Meter transceiver · Antennas: Some Rules ...
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https://amqrp.org/sitemap/
Solid State VXO, Buffer Amplifier and Keying Circuit For Tube Rigs · The SMK-1 on 20 Meters · NB610: A Homebrew 10 Meter transceiver · Antennas: Some Rules ...
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44
A Box Filled with DDS - SolderSmoke Daily News
http://soldersmoke.blogspot.com/2015/03/a-box-filled-with-dds.html
One stage amplifier by Pete Juliano N6QW. Useful as a VFO or a sig generator. Thanks to all involved. Note the cool translucent feet!
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http://soldersmoke.blogspot.com/2015/03/a-box-filled-with-dds.html
One stage amplifier by Pete Juliano N6QW. Useful as a VFO or a sig generator. Thanks to all involved. Note the cool translucent feet!
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45
A DDS Based QRSS (and CW) Beacon
https://d1.amobbs.com/bbs_upload782111/files_17/ourdev_471967.pdf
QRSS is a crystal based oscillator followed by a buffer and a final amplifier. You want an output power that doesn't exceed half a watt.
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https://d1.amobbs.com/bbs_upload782111/files_17/ourdev_471967.pdf
QRSS is a crystal based oscillator followed by a buffer and a final amplifier. You want an output power that doesn't exceed half a watt.
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46
A DDS VFO for Codan Transceivers
http://phwl.org/assets/images/2020/06/codan-dds.pdf
https://www.qsl.net/zl1bpu/PROJ/ddsvfo.htm. 1/2. A DDS VFO for Codan Transceivers ... while V12 is a buffer and V13 is an AGC amplifier.
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http://phwl.org/assets/images/2020/06/codan-dds.pdf
https://www.qsl.net/zl1bpu/PROJ/ddsvfo.htm. 1/2. A DDS VFO for Codan Transceivers ... while V12 is a buffer and V13 is an AGC amplifier.
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47
Variable-Frequency Oscillartors (VFO) - Discover Circuits
http://www.discovercircuits.com/O/o-vfo.htm
DDS/PLL based VFO synthesizer - Timing and oscillator circuit diagrams ... VFO Buffer - In the first design of the receiver, this buffer was used with an ...
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http://www.discovercircuits.com/O/o-vfo.htm
DDS/PLL based VFO synthesizer - Timing and oscillator circuit diagrams ... VFO Buffer - In the first design of the receiver, this buffer was used with an ...
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48
Scalar network analyzer - DM3MAT
https://dm3mat.darc.de/sna/
A scalar network analyzer consists of a VFO and a logarithmic amplifier. ... DDS generator and buffer, a logarithmic amplifier and an RS232 interface.
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https://dm3mat.darc.de/sna/
A scalar network analyzer consists of a VFO and a logarithmic amplifier. ... DDS generator and buffer, a logarithmic amplifier and an RS232 interface.
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49
box
http://k3jls.net/box.html
This DDS VFO has a fixed operational range between 4.950 and 5.550 Mhz. The PIC sends serial commands to the AD-9850 to update the frequency. The program runs ...
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http://k3jls.net/box.html
This DDS VFO has a fixed operational range between 4.950 and 5.550 Mhz. The PIC sends serial commands to the AD-9850 to update the frequency. The program runs ...
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50
10kHz to 225MHz VFO/RF Generator with Si5351 - Version 2
https://create.arduino.cc/projecthub/CesarSound/10khz-to-225mhz-vfo-rf-generator-with-si5351-version-2-bfa619
This is a project of a VFO (variable frequency oscillator) for use in DIY homebrew radio ... The Great-Grandfather of the VFO DDS:.
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https://create.arduino.cc/projecthub/CesarSound/10khz-to-225mhz-vfo-rf-generator-with-si5351-version-2-bfa619
This is a project of a VFO (variable frequency oscillator) for use in DIY homebrew radio ... The Great-Grandfather of the VFO DDS:.
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51
Digital vfo - professionalmachines.shop
https://kiidv.professionalmachines.shop/digital-vfo.html
DDS VFO and Buffer Amplifier, Time Owned: 0 to 3 months. ... Web5V 0.01~50KHz DDS Signal Generator Direct Synthesis for HAM Radio VFO Wireless Based AD9850 ...
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https://kiidv.professionalmachines.shop/digital-vfo.html
DDS VFO and Buffer Amplifier, Time Owned: 0 to 3 months. ... Web5V 0.01~50KHz DDS Signal Generator Direct Synthesis for HAM Radio VFO Wireless Based AD9850 ...
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52
NC20 Manual 1.0 - NorCal QRP Club
http://www.norcalqrp.org/files/NC20_Manual_1.pdf
Section 6 - VFO Buffer-Amp ? Insert and solder Q3, Q4, R13-18, C13-15, C66 and. C67. ? Connect the 5” piece of scrap hook-up wire from the.
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http://www.norcalqrp.org/files/NC20_Manual_1.pdf
Section 6 - VFO Buffer-Amp ? Insert and solder Q3, Q4, R13-18, C13-15, C66 and. C67. ? Connect the 5” piece of scrap hook-up wire from the.
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53
AD9850 VFO/signal generator - Jan's bits and bytes
https://janoc.rd-h.com/archives/396
AD9850 DDS module, note the TXC oscillator part ... What remains to be added is a proper buffer amplifier, so that the module can actually ...
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https://janoc.rd-h.com/archives/396
AD9850 DDS module, note the TXC oscillator part ... What remains to be added is a proper buffer amplifier, so that the module can actually ...
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54
W7MBR - Callsign Lookup by QRZ Ham Radio
https://www.qrz.com/db/W7MBR
(top) DDS VFO ( 0 - 34 mhz) includes power supply and buffer-amplifier which supplies plenty of drive for the vintage transmitters 3.
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https://www.qrz.com/db/W7MBR
(top) DDS VFO ( 0 - 34 mhz) includes power supply and buffer-amplifier which supplies plenty of drive for the vintage transmitters 3.
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55
Qrp vfo - studiolegalericciogriffo.it
https://studiolegalericciogriffo.it/qrp-vfo.html
There are A DDS VFO for the Lydford 40m QRP SSB Transceiver Combining a ... There are QRP audio amplifier Mini AM transmitter The all waves RX powered by 1.
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https://studiolegalericciogriffo.it/qrp-vfo.html
There are A DDS VFO for the Lydford 40m QRP SSB Transceiver Combining a ... There are QRP audio amplifier Mini AM transmitter The all waves RX powered by 1.
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56
2016 - Ganymede M0IFA
http://ganymedeham.blogspot.com/2016/
NE602/SA612 mixer & LM386 Amp. 40m input filter, input from DDS & RTC. ... with RF output also from the DDS via a LPF and buffer amplifier
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http://ganymedeham.blogspot.com/2016/
NE602/SA612 mixer & LM386 Amp. 40m input filter, input from DDS & RTC. ... with RF output also from the DDS via a LPF and buffer amplifier
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57
Propeller Controlled Oscillator for ne602 - Parallax Forums
https://forums.parallax.com/discussion/167588/propeller-controlled-oscillator-for-ne602
Ideally I could create a DDS VFO and have a full coverage ... Thanks, for the suggestions and pointers. i Googled "VFO buffer circuit" and ...
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https://forums.parallax.com/discussion/167588/propeller-controlled-oscillator-for-ne602
Ideally I could create a DDS VFO and have a full coverage ... Thanks, for the suggestions and pointers. i Googled "VFO buffer circuit" and ...
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58
Shortwave VFO project | Free Radio Forum - ProBoards
https://darkliferadio.proboards.com/thread/833/shortwave-vfo-project
I ran the initial FET buffer after the oscillator on the same precision 5v line. The third transistor was the voltage RF amplifier which is ...
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https://darkliferadio.proboards.com/thread/833/shortwave-vfo-project
I ran the initial FET buffer after the oscillator on the same precision 5v line. The third transistor was the voltage RF amplifier which is ...
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59
EI9GQ, BUILDING A TRANSCEIVER
http://www.carnut.info/HF_RIG_Homebrew/HOMEBREW_HF_HAM_RIG.htm
Previous update:- A VFO based on the uBITX's Raduino board. ... Shown below are the post Mixer buffer amp (left) and the 200mW stage which ...
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http://www.carnut.info/HF_RIG_Homebrew/HOMEBREW_HF_HAM_RIG.htm
Previous update:- A VFO based on the uBITX's Raduino board. ... Shown below are the post Mixer buffer amp (left) and the 200mW stage which ...
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60
AD9850 - SV1DJG's QRP and Homebrewing - WordPress.com
https://sv1djg.wordpress.com/tag/ad9850/
Dual Band QRP transceiver – Local oscillator ... The DDS alone cannot drive a DBM so I built a buffer/amp to increase the drive level for the mixer.
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https://sv1djg.wordpress.com/tag/ad9850/
Dual Band QRP transceiver – Local oscillator ... The DDS alone cannot drive a DBM so I built a buffer/amp to increase the drive level for the mixer.
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61
Simple frequency counter - Hans Summers
http://www.hanssummers.com/sfreq.html
Below middle is the buffer amplifier I use and which I found works very well. ... In fact I am measuring the frequency of a 3,653.5KHz VFO.
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http://www.hanssummers.com/sfreq.html
Below middle is the buffer amplifier I use and which I found works very well. ... In fact I am measuring the frequency of a 3,653.5KHz VFO.
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62
Building BITX40 - HFI 2014 version of BITX
https://www.electronicsforum.in/discussion/69/building-bitx40-hfi-2014-version-of-bitx
Here is the BFO circuit: Bitx-BFO-circuit-e1419961757983.png This is my build: IMG_20141230_200057. ... Build the VFO buffer amp using Q8 to use with DDS.
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https://www.electronicsforum.in/discussion/69/building-bitx40-hfi-2014-version-of-bitx
Here is the BFO circuit: Bitx-BFO-circuit-e1419961757983.png This is my build: IMG_20141230_200057. ... Build the VFO buffer amp using Q8 to use with DDS.
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63
Electronic Code Locking System Using Pic16f877a Code.pdf
https://mymentalhealthrisk.creighton.edu/fulldisplay?docid=10643&FileName=Electronic%20Code%20Locking%20System%20Using%20Pic16f877a%20Code.pdf
dds vfo buffer amplifier web feb 26 2022 the program code to be easily adjusted ... bands of 30m 20 the dds outputs into a filter and then into a buffer amp.
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https://mymentalhealthrisk.creighton.edu/fulldisplay?docid=10643&FileName=Electronic%20Code%20Locking%20System%20Using%20Pic16f877a%20Code.pdf
dds vfo buffer amplifier web feb 26 2022 the program code to be easily adjusted ... bands of 30m 20 the dds outputs into a filter and then into a buffer amp.
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64
Progressive Receiver - VK2FC Amateur Radio
https://www.vk2fc.com/progressive_receiver.php
There is significant distortion from the output of dual gate FET VFO buffer, I temporarily reduced the coupling capacitor from 10pF to 6P8 with little ...
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https://www.vk2fc.com/progressive_receiver.php
There is significant distortion from the output of dual gate FET VFO buffer, I temporarily reduced the coupling capacitor from 10pF to 6P8 with little ...
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65
an 829b dual beam power pentode cw transmitter
https://www.funkamateur.de/tl_files/downloads/hefte/2016/AN%20829B%20DUAL%20BEAM%20POWER%20PENTODE%20HF%20TRANSMITTER.pdf
The 829B was designed for VHF amplifier service, operating in ... A buffer amp, and the Chinese surplus AD9850 DDS VFO board (blue). The.
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https://www.funkamateur.de/tl_files/downloads/hefte/2016/AN%20829B%20DUAL%20BEAM%20POWER%20PENTODE%20HF%20TRANSMITTER.pdf
The 829B was designed for VHF amplifier service, operating in ... A buffer amp, and the Chinese surplus AD9850 DDS VFO board (blue). The.
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66
openQRP PCB Prototype is in ! Schematics Uploaded - K1EL
https://hamcrafters2.com/files/openQRP_blog.pdf
A small amount of VFO feed is taken from the VFO buffer and fed into one ... first driver amplifier that has adjustable gain via adjustable ...
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https://hamcrafters2.com/files/openQRP_blog.pdf
A small amount of VFO feed is taken from the VFO buffer and fed into one ... first driver amplifier that has adjustable gain via adjustable ...
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67
Arduino VFO - VK8BN
https://vk8bn.me/info/arduino2/
By using an Arduino uno R3 and an AD 9850 or AD9851 DDS module a very ... probably be too low in level and will require a buffer amplifier, ...
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https://vk8bn.me/info/arduino2/
By using an Arduino uno R3 and an AD 9850 or AD9851 DDS module a very ... probably be too low in level and will require a buffer amplifier, ...
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68
DDS Application Note for KN-Q7A Kit - QRVTronics.com
https://www.qrvtronics.com/Side_Left_B/files/KN-Q7A_App_DDS_VFO.pdf
Basically, the DDS or Variable Frequency Oscillator replaces the VXO oscillator in the radio. We ... buffer or amplifier to the system.
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https://www.qrvtronics.com/Side_Left_B/files/KN-Q7A_App_DDS_VFO.pdf
Basically, the DDS or Variable Frequency Oscillator replaces the VXO oscillator in the radio. We ... buffer or amplifier to the system.
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69
Measurements on a Multiband R2Pro Low- Noise Amplifier ...
https://na6o.com/main/Electronics_files/R2Pro_LNA_Performance_2.pdf
straightforward solution is the addition of a buffer amplifier after ... Johnson, Gary, Performance of the IQPro DDS VFO and Evaluation of ...
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https://na6o.com/main/Electronics_files/R2Pro_LNA_Performance_2.pdf
straightforward solution is the addition of a buffer amplifier after ... Johnson, Gary, Performance of the IQPro DDS VFO and Evaluation of ...
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70
A DDS VFO for the TS-520S - KV6O
https://www.kv6o.com/wordpress/2014/10/10/a-dds-vfo-for-the-ts-520s/
I put a 0.01uF cap between the output of the DDS and the VFO signal input on ... I might need a buffer amplifier if there are any problems.
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https://www.kv6o.com/wordpress/2014/10/10/a-dds-vfo-for-the-ts-520s/
I put a 0.01uF cap between the output of the DDS and the VFO signal input on ... I might need a buffer amplifier if there are any problems.
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71
Micro908 Project Page - Midnight Design Solutions
https://midnightdesignsolutions.com/micro908/index.html
The max battery/power supply voltage for the Micro908 is 12V. This limitation protects the buffer amplifier on the internal DDS-60 card. See the ...
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https://midnightdesignsolutions.com/micro908/index.html
The max battery/power supply voltage for the Micro908 is 12V. This limitation protects the buffer amplifier on the internal DDS-60 card. See the ...
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72
18 dB LT1253 DDS Amplifier - K8IQY
https://www.k8iqy.com/miscellaneous/18dblt1253ddsamplifier/lt1253ddsamp.htm
LT1253 DDS Amp Schematic ... was built Manhattan-style to evaluate the Linear Technology LT1253 dual video amplifier as a candidate output amplifier for DDS ...
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https://www.k8iqy.com/miscellaneous/18dblt1253ddsamplifier/lt1253ddsamp.htm
LT1253 DDS Amp Schematic ... was built Manhattan-style to evaluate the Linear Technology LT1253 dual video amplifier as a candidate output amplifier for DDS ...
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73
openQRP Transceiver - K1EL
https://k1el.tripod.com/openQRP/index.blog?entry_id=2326927
A small amount of VFO feed is taken from the VFO buffer and fed into one ... Q1 is the first driver amplifier that has adjustable gain via ...
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https://k1el.tripod.com/openQRP/index.blog?entry_id=2326927
A small amount of VFO feed is taken from the VFO buffer and fed into one ... Q1 is the first driver amplifier that has adjustable gain via ...
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74
The VFO buffer circuitry consists of a pair of bipolar transistors ...
https://ai2q.org/Circuit_details2.htm
The VFO buffer circuitry consists of a pair of bipolar transistors, directly coupled in a shunt feedback configuration. My schematic shows 2N3904 devices, ...
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https://ai2q.org/Circuit_details2.htm
The VFO buffer circuitry consists of a pair of bipolar transistors, directly coupled in a shunt feedback configuration. My schematic shows 2N3904 devices, ...
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75
vfo crystal replacement - Dr Chris Ferguson
https://drchris.uk/vfo-crystal-replacement.html
An Arduino and AD9850 are providing the DDS VFO signal. firstchip ... Pierce crystal oscillator Q5 was repurposed as a buffer amplifier for use with a VFO ...
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https://drchris.uk/vfo-crystal-replacement.html
An Arduino and AD9850 are providing the DDS VFO signal. firstchip ... Pierce crystal oscillator Q5 was repurposed as a buffer amplifier for use with a VFO ...
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76
DDS VFO Kit
https://vigorouse.shop/en/dds-vfo-kit.html
Cobra 138 XLR with DDS VFO - Amazing modified CB Radio $250 (bli > Blaine) ... Re: Digital (DDS) VFO kit - need 5 watt buffer amp « Reply #38 on: November ...
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https://vigorouse.shop/en/dds-vfo-kit.html
Cobra 138 XLR with DDS VFO - Amazing modified CB Radio $250 (bli > Blaine) ... Re: Digital (DDS) VFO kit - need 5 watt buffer amp « Reply #38 on: November ...
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77
Cb vfo - tuscialife.it
https://tuscialife.it/cb-vfo.html
0 test dds ad9850 osc vfo cb radio 11 meter band 27mhz transceiver Feb 04, ... crystal oscillator/VFO buffer, 2E26 buffer, pair AX9909's final amplifier You ...
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https://tuscialife.it/cb-vfo.html
0 test dds ad9850 osc vfo cb radio 11 meter band 27mhz transceiver Feb 04, ... crystal oscillator/VFO buffer, 2E26 buffer, pair AX9909's final amplifier You ...
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78
Variable Gain Amplifier For AD9850 DDS - Telecnatron
https://telecnatron.com/articles/Variable-Gain-Amplifier-For-AD9850-DDS/index.html
This amplifier raises the AD9850 modules' output to at least 7dBm on frequencies up to 30MHz, and provides a solid 50Ω output, suitable for ...
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https://telecnatron.com/articles/Variable-Gain-Amplifier-For-AD9850-DDS/index.html
This amplifier raises the AD9850 modules' output to at least 7dBm on frequencies up to 30MHz, and provides a solid 50Ω output, suitable for ...
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79
Download DDS VFO for Boatanchors MP3 - MTI College
http://ssh.mticollege.edu/w/AfnTx9uZvO4/pages
DDS VFO for Boatanchors (7.62 MB) ~ Free Download DDS VFO for Boatanchors (05:33 Min) mp3 and mp4 ~ Download lagu mp3 & mp4 DDS VFO for Boatanchors for free ...
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http://ssh.mticollege.edu/w/AfnTx9uZvO4/pages
DDS VFO for Boatanchors (7.62 MB) ~ Free Download DDS VFO for Boatanchors (05:33 Min) mp3 and mp4 ~ Download lagu mp3 & mp4 DDS VFO for Boatanchors for free ...
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