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Signal generator
#14

1N4007 should do the trick.  R10 shows 135 volts so just add resistance to maintain that.  Here's a good read on Selenium's:

http://w3hwj.com/index_files/RBSelenium2.pdf

I saw a burned out selenium in an old teletype stink up a whole Comm Center at NAHA Air Base in Okinawa  Icon_e_surprised

John KK4ZLF
Lexington, KY
"illegitimis non carborundum"


Messages In This Thread
Signal generator - by WallaceRoger - 07-11-2017, 11:17 AM
RE: Signal generator - by Radioroslyn - 07-11-2017, 11:45 AM
RE: Signal generator - by morzh - 07-11-2017, 11:49 AM
RE: Signal generator - by WallaceRoger - 07-11-2017, 12:25 PM
RE: Signal generator - by morzh - 07-11-2017, 12:33 PM
RE: Signal generator - by Radioroslyn - 07-11-2017, 01:02 PM
RE: Signal generator - by morzh - 07-11-2017, 01:14 PM
RE: Signal generator - by WallaceRoger - 10-02-2017, 03:03 PM
RE: Signal generator - by Radioroslyn - 10-02-2017, 09:19 PM
RE: Signal generator - by WallaceRoger - 10-02-2017, 11:05 PM
RE: Signal generator - by Ron Ramirez - 10-03-2017, 10:24 AM
RE: Signal generator - by morzh - 10-03-2017, 10:59 AM
RE: Signal generator - by WallaceRoger - 10-03-2017, 11:55 AM
RE: Signal generator - by Eliot Ness - 10-03-2017, 12:11 PM
RE: Signal generator - by morzh - 10-03-2017, 01:22 PM
RE: Signal generator - by WallaceRoger - 10-03-2017, 01:22 PM



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