While not really homebrew, they do deal with QRP and RF. The first two are walk-throughs of the schematics of two QRP transceivers, and the last is a discussion of how diodes can be used as RF switches. I thought you'd find them interesting.
MFJ-9340 QRP Cub CW Transceiver kit schematic review:
Heathkit HW-9 schematic walk-through:
http://www.youtube.com/watch?v=rPM1vvGorTo
Using diodes as RF switches:
https://www.youtube.com/watch?v=YBNIq_d56sA
73,
AlanHttp://www.youtube.com/w2aew
Our book: "SolderSmoke -- Global Adventures in Wireless Electronics" http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmoke Our Book Store: http://astore.amazon.com/contracross-20
Good videos, I've subscribed to W2AEW's channel, nice stuff !
ReplyDeleteHey Bill - thanks for posting these links! I'm sure my subscriber and view counts will go crazy now!
ReplyDelete73 - Alan - W2AEW