- 1. [Amps] HF AMP Issues questions (score: 1)
- Author: "Randy S." <rj3819@yahoo.com>
- Date: Sun, 19 Sep 2010 09:19:51 -0700 (PDT)
- Hi again, Powered up the amp .. filaments light .. blower works .. timer circuits for HV and Blower work. Having trouble tuning it .. Vacuum caps for plate and loading. Have loading cap at minimum. E
- /archives//html/Amps/2010-09/msg00221.html (8,719 bytes)
- 2. Re: [Amps] HF AMP Issues questions (score: 1)
- Author: Robert Morris <robrk@nidhog.net>
- Date: Sun, 19 Sep 2010 13:27:21 -0400
- Did you move the load cap? Put radio on cw, 50 watts out, send 20wpm dots and tune for max out using both caps. With cw dots you are "pulse" tuning at 30% duty. Reverse design it. Measure the coil an
- /archives//html/Amps/2010-09/msg00222.html (7,293 bytes)
- 3. Re: [Amps] HF AMP Issues questions (score: 1)
- Author: "Jim W7RY" <w7ry@inbox.com>
- Date: Sun, 19 Sep 2010 13:42:07 -0700
- BUT you can only see the real output power if you have a peak reading wattmeter. If you have one, your good. If you don't you cannot read the real power output of the amplifier. 73 Jim W7RY _________
- /archives//html/Amps/2010-09/msg00224.html (9,489 bytes)
- 4. Re: [Amps] HF AMP Issues questions (score: 1)
- Author: "Randy S." <rj3819@yahoo.com>
- Date: Sun, 19 Sep 2010 17:37:27 -0700 (PDT)
- UPDATE: Thanks everyone for the assistance .. Much learned. Funny how you learn or assume something incorrectly and it gets stuck in your head for many many years... that applies to this. I knew the
- /archives//html/Amps/2010-09/msg00226.html (8,538 bytes)
- 5. Re: [Amps] HF AMP Issues questions (score: 1)
- Author: Robert Morris <robrk@nidhog.net>
- Date: Sun, 19 Sep 2010 21:27:51 -0400
- BUT you can if you have a straight key and any wattmeter (or an FM button on the radio). -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean
- /archives//html/Amps/2010-09/msg00227.html (7,526 bytes)
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