Ham Radio

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Ham Radio

Nowhere-Man

Engineer in Charge

Posts: 804
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Location: Staffordshire U.K. on a narrowboat

#32

22-04-2017, 12:43 AM

Why would an OC3 be used in the power stage to supply 105 volts to the oscillator circuits? It takes the rectified 250 volts from the HT capacitor with a series resistor of 7500 Ohms. Isn't that a hefty voltage (the 105 that supplies the oscillators)?
Are 1700 KC crystals still available?

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Messages In This Thread

Ham Radio - by Dick.1 - 30-07-2016, 12:23 PM

RE: Ham Radio - by davegsm82 - 20-10-2016, 02:55 PM

RE: Ham Radio - by Mike Watterson - 20-10-2016, 03:17 PM

RE: Ham Radio - by Terry - 20-10-2016, 03:46 PM

RE: Ham Radio - by Mike Watterson - 20-10-2016, 04:13 PM

RE: Ham Radio - by Bush Radio - 21-10-2016, 07:34 PM

RE: Ham Radio - by Mike Watterson - 22-10-2016, 01:20 PM

RE: Ham Radio - by Sparks - 23-10-2016, 06:56 AM

RE: Ham Radio - by Mike Watterson - 23-10-2016, 10:00 AM

RE: Ham Radio - by Sparks - 23-10-2016, 10:20 AM

RE: Ham Radio - by Mike Watterson - 24-10-2016, 09:15 AM

RE: Ham Radio - by Sparks - 24-10-2016, 09:58 AM

RE: Ham Radio - by Sparks - 24-10-2016, 10:13 AM

RE: Ham Radio - by pwdrive - 24-10-2016, 10:15 AM

RE: Ham Radio - by Sparks - 24-10-2016, 03:01 PM

RE: Ham Radio - by reset - 12-12-2016, 01:12 AM

RE: Ham Radio - by Nowhere-Man - 23-01-2017, 05:26 PM

RE: Ham Radio - by spot-wobble - 24-01-2017, 11:07 AM

RE: Ham Radio - by Nowhere-Man - 13-02-2017, 02:36 AM

RE: Ham Radio - by Terry - 13-02-2017, 11:00 AM

RE: Ham Radio - by Nowhere-Man - 26-03-2017, 01:23 AM

RE: Ham Radio - by pwdrive - 26-03-2017, 08:08 AM

RE: Ham Radio - by Terry - 26-03-2017, 11:43 AM

RE: Ham Radio - by Nowhere-Man - 26-03-2017, 01:47 PM

RE: Ham Radio - by pwdrive - 26-03-2017, 01:50 PM

RE: Ham Radio - by Nowhere-Man - 28-03-2017, 12:11 AM

RE: Ham Radio - by pwdrive - 28-03-2017, 08:26 AM

RE: Ham Radio - by Nowhere-Man - 31-03-2017, 12:32 AM

RE: Ham Radio - by Nowhere-Man - 31-03-2017, 12:53 AM

RE: Ham Radio - by Terry - 31-03-2017, 10:57 AM

RE: Ham Radio - by Nowhere-Man - 31-03-2017, 11:44 AM

RE: Ham Radio - by Nowhere-Man - 22-04-2017, 12:43 AM

RE: Ham Radio - by pwdrive - 22-04-2017, 08:14 AM

RE: Ham Radio - by Nowhere-Man - 27-04-2017, 01:04 AM

RE: Ham Radio - by Crackle - 27-04-2017, 10:44 AM

RE: Ham Radio - by Nowhere-Man - 27-04-2017, 11:53 AM

RE: Ham Radio - by Nowhere-Man - 06-05-2017, 05:44 PM

RE: Ham Radio - by Terry - 06-05-2017, 06:15 PM

RE: Ham Radio - by pwdrive - 06-05-2017, 07:31 PM

RE: Ham Radio - by Nowhere-Man - 08-05-2017, 12:57 AM

RE: Ham Radio - by Nowhere-Man - 08-05-2017, 01:11 AM

RE: Ham Radio - by Murphyv310 - 09-05-2017, 10:17 AM

RE: Ham Radio - by Alistair D - 09-05-2017, 02:44 PM

RE: Ham Radio - by Murphyv310 - 09-05-2017, 04:39 PM

RE: Ham Radio - by Alistair D - 09-05-2017, 10:09 PM

RE: Ham Radio - by Nowhere-Man - 10-05-2017, 01:23 AM

RE: Ham Radio - by radioman - 10-05-2017, 09:03 AM

RE: Ham Radio - by Crackle - 10-05-2017, 09:54 AM

RE: Ham Radio - by Nowhere-Man - 10-05-2017, 12:13 PM

RE: Ham Radio - by Raditechman - 10-05-2017, 12:34 PM

RE: Ham Radio - by Murphyv310 - 10-05-2017, 01:55 PM

RE: Ham Radio - by Nowhere-Man - 10-05-2017, 03:18 PM

RE: Ham Radio - by Terry - 10-05-2017, 04:41 PM

RE: Ham Radio - by Nowhere-Man - 11-05-2017, 08:36 PM

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