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Total 6 documents matching your query.

1. [AMPS] start (score: 1)
Author: jbona@fi.mdp.edu.ar (juan carlos bonadero)
Date: Mon, 23 Oct 2000 11:39:46 -0400
Hello I had a power transformer with all the secondaries together ( including filaments) for a tetrode (4CX400). Can I put all voltages in the start, with screen in 0 volts, and 30 seconds later full
/archives//html/Amps/2000-10/msg00514.html (7,072 bytes)

2. [AMPS] start (score: 1)
Author: W8JI@contesting.com (Tom Rauch)
Date: Mon, 23 Oct 2000 10:55:29 -0400
Juan, It is always best to not have HV until the tube warms up, and always HV on anode and bias before having screen voltage. You can apply all voltages at one time with a MOX cathode tube, but you
/archives//html/Amps/2000-10/msg00516.html (7,406 bytes)

3. [AMPS] start (score: 1)
Author: MM@plextek.co.uk (Mark Marsden)
Date: Mon, 23 Oct 2000 16:15:53 +0100
Tom, How long would you recommend the filament voltage of a 4CX1000A be on for, before applying the other rails? 73, Mark G4AXX -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@co
/archives//html/Amps/2000-10/msg00517.html (9,169 bytes)

4. [AMPS] start (score: 1)
Author: Ian White, G3SEK" <g3sek@ifwtech.com (Ian White, G3SEK)
Date: Mon, 23 Oct 2000 16:24:38 +0100
The tube data sheet says you can, although when I tried it, the cathode still seemed to be warming up after 60 seconds. 73 from Ian G3SEK Editor, 'The VHF/UHF DX Book' 'In Practice' columnist for Rad
/archives//html/Amps/2000-10/msg00521.html (7,475 bytes)

5. [AMPS] start (score: 1)
Author: W8JI@contesting.com (Tom Rauch)
Date: Tue, 24 Oct 2000 10:29:00 -0400
Eimac has that data in it's tube specs, I don't know it offhand. All high power MOX cathode tubes are sensitive to warmup time and also HV. Excessive high voltage and / or drawing current before the
/archives//html/Amps/2000-10/msg00526.html (7,265 bytes)

6. [AMPS] start (score: 1)
Author: 2@vc.net (measures)
Date: Thu, 26 Oct 2000 00:18:57 -0700
Rails carry electric current in subways. cheers, Mark - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administ
/archives//html/Amps/2000-10/msg00558.html (10,020 bytes)


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