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| Frequency Counter Buffer Project |
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| ko4nrbs:
Has anyone built this? https://www.nutsvolts.com/magazine/article/build-an-rf-frequency-counter-buffer-for-hf Thanks, Bill |
| nctnico:
Wouldn't a standard 1:100 oscilloscope probe with a BNC adapter do the trick? |
| ko4nrbs:
--- Quote from: nctnico on November 09, 2022, 02:52:22 pm ---Wouldn't a standard 1:100 oscilloscope probe with a BNC adapter do the trick? --- End quote --- Yes. Wanted something I can use to monitor the VFO frequency of my old AM transmitter while operating. I have used a commercial demodulator and sampler to view the transmitters output while modulating the output. Bill |
| mag_therm:
I made a buffer from vintage sw receiver vfo to a PLJ_0802-C frequency display (with IF Offsets). It is just a FET- Bipolar HiZ to 50 Ohm with a RG 174 coax to the display in another chassis. input level 50 to 200 mV. |
| ko4nrbs:
--- Quote from: mag_therm on November 09, 2022, 03:32:01 pm ---I made a buffer from vintage sw receiver vfo to a PLJ_0802-C frequency display (with IF Offsets). It is just a FET- Bipolar HiZ to 50 Ohm with a RG 174 coax to the display in another chassis. input level 50 to 200 mV. --- End quote --- Which FET- Bipolar HiZ did you use? Bill |
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