Mail Archive Search: <+subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+vacuum\s+relay\s+problem\s*$/>

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+vacuum\s+relay\s+problem\s*$/: 6 ]

Total 6 documents matching your query.

1. [Amps] vacuum relay problem (score: 1): Author: Felipe Ceglia <felipeceglia2@gmail.com>; Date: Sun, 29 Aug 2010 08:42:25 +0000; Hi amps gurus, I need your advice again... I had a jennings rj1on my amp output that would not return to NC position, then I replaced it by a kilovac hc2/s3 which some hours later started behaving ex; /archives//html/Amps/2010-08/msg00432.html (8,225 bytes)
2. Re: [Amps] vacuum relay problem (score: 1): Author: N1BUG <paul@n1bug.com>; Date: Sun, 29 Aug 2010 05:53:10 -0400; Are you sure the relay is not being "hot switched" ? I use RJ1 relays in two of my amps, with RG-142B/U connected directly to the relay terminals. Both amps have many hours with no relay failures and; /archives//html/Amps/2010-08/msg00434.html (7,734 bytes)
3. Re: [Amps] vacuum relay problem (score: 1): Author: Felipe Ceglia <felipeceglia2@gmail.com>; Date: Sun, 29 Aug 2010 10:03:30 +0000; Hi Paul, I am not sure it is not being hot switched. How could I check for that? The amp is an harris RF110, and it is using the original keyline / 26v, and activated by an FT1000 (old model). This s; /archives//html/Amps/2010-08/msg00435.html (8,814 bytes)
4. Re: [Amps] vacuum relay problem (score: 1): Author: N1BUG <paul@n1bug.com>; Date: Sun, 29 Aug 2010 06:17:42 -0400; Hi again Felipe, If it lasted that long the first time, it probably is not a hot switching issue... I guess. :) The way I check for that is with a dual channel scope. One channel looks at RF from the; /archives//html/Amps/2010-08/msg00436.html (8,405 bytes)
5. Re: [Amps] vacuum relay problem (score: 1): Author: Felipe Ceglia <felipeceglia2@gmail.com>; Date: Mon, 30 Aug 2010 22:51:45 -0300; Hi folks, I plugged my old scope into the relays and rig, and here is the picture I got from its screen: http://imagebin.ca/view/GPwsvX.html Upper trace is 9v battery across relay. Lower trace is RF; /archives//html/Amps/2010-08/msg00480.html (10,448 bytes)
6. Re: [Amps] vacuum relay problem (score: 1): Author: Ron Youvan <ka4inm@tampabay.rr.com>; Date: Tue, 31 Aug 2010 03:39:16 +0000; Not so fast, if the "vertical channel switching" was not set on "chopped" this test is invalid. "Alternate channel switching" will sync to first one trace then the other. Be sure your 'scope is trigg; /archives//html/Amps/2010-08/msg00482.html (8,816 bytes)

Current List: 1 - 6
Page: [1]