IF Board
I've added the remaining components to the IF board, so I'll need to get on with testing it at some point, I'm bound to have…
Read the notes : IF BoardAmateur radio · Projects · Learning
Category: <span>Scratch Build QRP</span>
Two-Tone Tester
I've made a start on the two tone tester and so far voltages etc seem to be as expected. I've got a few components I…
Read the notes : Two-Tone Tester
S-meter & Two-Tone Tester Board Prep
I've been back at gluing the me squares for the signals strength meter and two tone tester, components have arrived so I can get on…
Read the notes : S-meter & Two-Tone Tester Board Prep
IF Board Progress
My sudden SSB TRx is long overdue some work and I've finally make a little progress, I'm missing a few components but got the remainder…
Read the notes : IF Board ProgressPre-Pre Driver Built
I've built the first section of the three part transmit amplifiers board, I need to test it using my VFO/BFO and scope or RF probe,…
Read the notes : Pre-Pre Driver Built
Microphone Amplifier
I've got the microphone amplifier built although not tested yet, I need to decide what mic I'm using and attach it up to test properly,…
Read the notes : Microphone Amplifier
Low Pass Filter
The LPF really goes together with the PA, in the GQRP Scratch QRP documents it suggests building and testing them together, however I hadn't worked…
Read the notes : Low Pass Filter
Relay Board
I've got moving a bit again on the sudden transceiver project, after completing the PA earlier in the week I've got the relay switch board sorted…
Read the notes : Relay Board
Sudden Power Amplifier
So five months on from preparing the board I've FINALLY got round to completing the PA, I had a couple of hiccups but no huge…
Read the notes : Sudden Power Amplifier