All Questions
Tagged with cw transceiver
5 questions
1
vote
1
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66
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On KENWOOD TS2000, the CW messages don't record even after the "recording wait" pops up in the display. But the sidetone works fine
I'm working on a miniproject where i'm asked to demonstrate the recording of some signal.
I made a keyer connection using a earphone cable to my Kenwood. The Keyer works fine - the sidetone is audible ...
- 11
1
vote
1
answer
200
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Swapping crystal from HF to VHF in a QRP tranceiver
I am trying to build a short-range QRP weak signal VHF 2m CW transceiver. I found a small circuit that fit my needs, but it was made for use on 40m instead of my target frequency. The circuit included ...
0
votes
1
answer
360
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Best CW Low Cut & High Cut Slope Settings on the Yaesu FT-991A?
I am running a Yaesu FT-991A and am wondering which low and high cut slope settings would be the better to use on CW mode as far as making sure I don't get key clicks. The default menu # 051 = CW LCUT ...
3
votes
2
answers
147
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how to sink 9-15v under control of 5v or 3.3v pin to 'key-down' transceiver?
I want to use an Arduino to control keying transmission on a simple CW-only transceiver (think: forty-9er or Pixie).
Looking at the schematics of various such transceivers, they basically 'key down' ...
- 401
4
votes
1
answer
311
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Listening below the carrier frequency gives a weaker signal than above the carrier frequency - why?
I have a 20m CW transceiver with an option for a wide or a narrow filter. When the narrow filter is selected, a crystal ladder filter is used in the intermediate frequency filter, between two mixers. ...
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