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1. [AMPS] two tone test (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Sat, 14 Jun 1997 07:38:03 +0000; Someone asked what a two tone test was, did anyone answer the fellow? 73, Tom W8JI -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-; /archives//html/Amps/1997-06/msg00216.html (7,436 bytes)
2. [AMPS] two tone test (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Mon, 16 Jun 1997 11:41:30 +0000; I'm sorry I lost the mail about the two tone test. Here is why it is done in amateur linear PA's. SSB (and some other) forms of modulation contain multiple frequencies at the same time. If you rememb; /archives//html/Amps/1997-06/msg00228.html (9,675 bytes)
3. [AMPS] two tone test (score: 1): Author: wa2moe@doitnow.com (wa2moe); Date: Mon, 16 Jun 1997 08:53:43 -0700; -- the question, as I remember it Tom was basically, "Whoa, hold it guys. What is a two tone test?" -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrativ; /archives//html/Amps/1997-06/msg00230.html (7,383 bytes)
4. [AMPS] two tone test (score: 1): Author: jfitz@albany.net (Joe Fitzgerald); Date: Mon, 16 Jun 1997 18:38:10 -0400; --2D233C7DD6603F08627BFEF9 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Tom, what is your opinion of generating two audio tones say, 2 Khz apart and feeding them into th; /archives//html/Amps/1997-06/msg00234.html (8,416 bytes)
5. [AMPS] two tone test (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Mon, 16 Jun 1997 22:21:22 +0000; Hi Joe, I don't think much of that method, because the exciter always has IMD distortion and less than perfect sideband and carrier suppression. Most tube PA's will go far beyond what a modern solid; /archives//html/Amps/1997-06/msg00237.html (8,644 bytes)
6. [AMPS] two tone test (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Tue, 17 Jun 1997 17:24:08 +0100; My own measurement facilities are very limited, but I have analysed a lot of data collected by other people. If you extend the IMD plot out to very low levels, then the results from a two-tone audio; /archives//html/Amps/1997-06/msg00253.html (8,067 bytes)
7. [AMPS] two tone test (score: 1): Author: tgold@panix.com (Anthony R. Gold); Date: Tue, 17 Jun 1997 13:08:26 +0100 BST; The question of which is the best method must revolve around whether you are attempting to measure the IMD of the total system or just of the external rf amplifier alone. Measuring the data to print; /archives//html/Amps/1997-06/msg00254.html (8,526 bytes)

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