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Total 8 documents matching your query.

1. [Amps] TenTec Titan 425 Idle Grid Current (score: 1): Author: "Mark Robinson" <markrob@mindspring.com>; Date: Tue, 25 Sep 2012 20:35:22 -0400; I noticed today on my TenTec Titan 425 that the grid idle current is around 7 or 8mA on the Ig meter. I see this on the amp when I key my TS930S in ssb with no drive. (modulation). I don't recall see; /archives//html/Amps/2012-09/msg00293.html (6,606 bytes)
2. Re: [Amps] TenTec Titan 425 Idle Grid Current (score: 1): Author: Vic K2VCO <k2vco.vic@gmail.com>; Date: Tue, 25 Sep 2012 20:27:19 -0700; Grid current with no drive isn't normal. It isn't a question of bias. Try just shorting the amp key line without the transceiver connected. If you get some grid current, either the amplifier is unsta; /archives//html/Amps/2012-09/msg00294.html (8,072 bytes)
3. Re: [Amps] TenTec Titan 425 Idle Grid Current (score: 1): Author: "Jim W7RY" <w7ry@centurytel.net>; Date: Tue, 25 Sep 2012 20:07:37 -0700; Not normal. You have a problem somewhere. 73 Jim W7RY I noticed today on my TenTec Titan 425 that the grid idle current is around 7 or 8mA on the Ig meter. I see this on the amp when I key my TS930S; /archives//html/Amps/2012-09/msg00295.html (8,283 bytes)
4. Re: [Amps] TenTec Titan 425 Idle Grid Current (score: 1): Author: <nz0o@iowatelecom.net>; Date: Thu, 27 Sep 2012 12:15:23 -0500; Make sure the compressor is turned off on the 930. _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2012-09/msg00299.html (8,375 bytes)
5. Re: [Amps] TenTec Titan 425 Idle Grid Current (score: 1): Author: Vic K2VCO <k2vco.vic@gmail.com>; Date: Wed, 26 Sep 2012 08:05:31 -0700; 73 Jim W7RY I noticed today on my TenTec Titan 425 that the grid idle current is around 7 or 8mA on the Ig meter. I see this on the amp when I key my TS930S in ssb with no drive. (modulation). I don'; /archives//html/Amps/2012-09/msg00301.html (9,047 bytes)
6. Re: [Amps] TenTec Titan 425 Idle Grid Current (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Wed, 26 Sep 2012 10:39:46 -0700; The Titan 425 can easily be run with one tube at a time to zero in on something like this. Just be careful with discharge of the high voltage as you go in. For quick tests, you don't need to replace; /archives//html/Amps/2012-09/msg00303.html (8,450 bytes)
7. [Amps] TenTec Titan 425 Idle Grid Current (score: 1): Author: ANDY COOK <g4piq@btinternet.com>; Date: Thu, 27 Sep 2012 13:06:40 +0100 (BST); Mark, Although grid current in a triode amp may not be 'normal' under no drive conditions, I have always seen a few mA indicated on the many Titan 425s which I've used as you go to transmit. It may; /archives//html/Amps/2012-09/msg00304.html (8,089 bytes)
8. Re: [Amps] TenTec Titan 425 Idle Grid Current (score: 1): Author: "Leigh Turner" <invertech@frontierisp.net.au>; Date: Fri, 28 Sep 2012 09:26:14 +0930; Mark, another possibility for this anomaly might be the small grid current noticed at keying up the rig is attributed to imperfect carrier balance in the rig's balanced modulator allowing some Tx car; /archives//html/Amps/2012-09/msg00309.html (8,613 bytes)

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