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1. [Amps] ALS-600 with ALS-600SPS SSB problem (score: 1): Author: "Brian Sarkisian, KG8CO" <cqkg8co@yahoo.com>; Date: Sat, 1 Dec 2007 13:26:54 -0800 (PST); The problem I am having is that the power supply is kicking off while in SSB. I can key up the amp into a dummy load using RTTY and CW at about 400-500 watts out and the amp and power supply works fi; /archives//html/Amps/2007-12/msg00001.html (7,524 bytes)
2. Re: [Amps] ALS-600 with ALS-600SPS SSB problem (score: 1): Author: "Nils Petter Pedersen" <la7sl@online.no>; Date: Sun, 2 Dec 2007 13:15:31 +0100; Hi Brian ! There is a general problem with ALC circuits and some transceivers: If your TX is capable of giving substantially more power than your PA wants, the ALC/power adjustment circuits are often; /archives//html/Amps/2007-12/msg00002.html (10,406 bytes)
3. Re: [Amps] ALS-600 with ALS-600SPS SSB problem (score: 1): Author: "k7fm" <k7fm@teleport.com>; Date: Sun, 2 Dec 2007 05:44:09 -0800; Could the problem with the power supply tripping be due to rf? It is unclear from your stated facts how you are testing it, but it sounds like you are testing sometimes into a dummy load, where it wo; /archives//html/Amps/2007-12/msg00004.html (7,637 bytes)
4. Re: [Amps] ALS-600 with ALS-600SPS SSB problem (score: 1): Author: "tjjapha@earthlink.net" <tjjapha@earthlink.net>; Date: Sun, 2 Dec 2007 12:23:23 -0500; What circuit is it that breaks when the SWR protection triggers? It's possibly something that kicks off the power supply. And what is your SWR into your antenna? You might try adding a bypass cap. (.; /archives//html/Amps/2007-12/msg00006.html (7,603 bytes)

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