Roger G3XBM's (Mainly) Amateur Radio Blog

Simple QRP projects, 10m, 8m, 6m, 4m, FT8, 160m, WSPR, LF/MF, sub-9kHz, nanowaves and other random stuff, some not related to amateur radio.

Showing posts with label sound powered TX. Show all posts

Showing posts with label sound powered TX. Show all posts

15 Nov 2021

Sound powered TX

Looking back on my emails I see some correspondence from Michael Rainey AA1TJ about a sound powered CW TX he built. I think Michael's T...

7 Oct 2009

Sound powered transmitters

A few people are currently experimenting with sound powered RF transmitters, generating the DC power to run a microwatt level oscillator fr...

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Roger G3XBM: Burwell, Cambridge, United Kingdom

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