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1. [Amps] Spectrum Analyzer (score: 1): Author: JMLTINC@aol.com; Date: Mon, 01 Mar 2004 14:53:36 -0500; Hi all I have a Systron-Donner model 762-2 spectrum analyzer. Does anyone know where I can find the external mixers for this unit? They are the 7120A, 7121A, & 7122A. Thanks John N9RF _______________; /archives//html/Amps/2004-03/msg00013.html (6,593 bytes)
2. [Amps] Water Cooling (score: 1): Author: JMLTINC@aol.com; Date: Tue, 13 Apr 2004 15:54:49 -0400; Has anyone experience with water cooling (GS-35B in particular; any tube in general)? I have been told it may not be feasible at 4KV. Also, if the cooler is in the cavity (coaxial or stripline), ther; /archives//html/Amps/2004-04/msg00088.html (6,391 bytes)
3. [Amps] Water Cooling (score: 1): Author: JMLTINC@aol.com; Date: Tue, 20 Apr 2004 15:45:00 -0400; Thanks to all who replied to my query. -John N9RF _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2004-04/msg00128.html (6,764 bytes)
4. [Amps] GS 35B (score: 1): Author: JMLTINC@aol.com; Date: Fri, 23 Jul 2004 12:13:29 -0400; Hi to all Has anyone built a 2m, grid driven, GS-35B amp? I would appreciate some thoughts on neutralizing teqniques for this brute. Thanks in advance! -John N9RF ____________________________________; /archives//html/Amps/2004-07/msg00162.html (6,477 bytes)
5. [Amps] GS-35B (score: 1): Author: JMLTINC@aol.com; Date: Mon, 26 Jul 2004 08:20:24 -0400; Hi Tony The answer to your question is gain. While the G-G configuration is the easiest to implement, for a given input, the output is considerably less than if it were grid driven. My transceiver ha; /archives//html/Amps/2004-07/msg00198.html (6,374 bytes)
6. [Amps] GS-35B (score: 1): Author: JMLTINC@aol.com; Date: Mon, 02 Aug 2004 08:44:06 -0400; Hi Dave Yes, you are correct, a grid driven triode will make a good oscillator and running the tube in G-G is an easy way to prevent such oscillations. However, neutralization of the grid driven conf; /archives//html/Amps/2004-08/msg00010.html (7,278 bytes)
7. [Amps] AM-6154 questions (score: 1): Author: JMLTINC@aol.com; Date: Wed, 15 Sep 2004 15:27:28 +0000; Hi Web I am a bit confused by your posts. In the original, you said it idled at 150 watts, but said in the second post you did not have the Hi-V turned on. These amps are overbuilt, and despite they; /archives//html/Amps/2004-09/msg00264.html (9,817 bytes)
8. [Amps] Line Sections As Plate Lines (score: 1): Author: JMLTINC@aol.com; Date: Thu, 23 Sep 2004 10:06:58 -0400; Hi QRO gurus - Let's talk 1/2wl plate lines. If you check out PA3CSG's website @ www.qsl.net/pa3csg , or PA7TA's site @ http://www.pa7ta.com/144MHz_RF-Deck.htm , the plate lines on their 2 meter, GS3; /archives//html/Amps/2004-09/msg00425.html (7,084 bytes)
9. [Amps] Line Sections As Plate Lines (score: 1): Author: JMLTINC@aol.com; Date: Fri, 24 Sep 2004 08:56:07 -0400; Hi again guys Sorry if I was not clear about my question. Let me try it from a different angle. Specifically: How do you calculate the length for a 1/2wl plate line???? That is, what is the formula?; /archives//html/Amps/2004-09/msg00441.html (7,362 bytes)
10. Re: [Amps] GRT-22 (score: 1): Author: JMLTINC@aol.com; Date: Sun, 17 Oct 2004 10:52:38 EDT; Hi Web Have you tried Fair Radio Sales (419-223-6573)? They had a "Schematic Pack", the GRT-22 amp, it will be very detailed. John, N9RF _______________________________________________ Amps mailing l; /archives//html/Amps/2004-10/msg00235.html (6,414 bytes)
11. [Amps] Fwd: Rich is a good guy (score: 1): Author: JMLTINC@aol.com; Date: Sun, 25 Jun 2006 16:56:57 EDT; << > One thing that would cause me to unsubscribe is if moderator refuses If you have PROOF, that's one thing but constantly demanding that others provide the proof, calling their statements "manure,; /archives//html/Amps/2006-06/msg00394.html (8,468 bytes)
12. [Amps] Grid Meter (score: 1): Author: JMLTINC@aol.com; Date: Sun, 19 Nov 2006 11:10:09 EST; Please help me; I have already searched the archives. I have a Henry 3K Ultra (3CX1200A7) that suffered a plate choke flash-over. This took out the diode that holds B- near ground (as well as the saf; /archives//html/Amps/2006-11/msg00231.html (6,468 bytes)
13. [Amps] Grid Meter (score: 1): Author: JMLTINC@aol.com; Date: Sun, 19 Nov 2006 13:46:18 EST; Thanks, Lou. First thing I did - the shunt is OK. I should add that power on either tubes is down, with max at 1,500 Watts into a DL. Plate current at full power is about 800ma @ about 4500 volts. Id; /archives//html/Amps/2006-11/msg00233.html (6,692 bytes)
14. [Amps] Broadbanding Tube Amps (score: 1): Author: JMLTINC@aol.com; Date: Mon, 4 Dec 2006 16:54:57 EST; Has anyone ideas on broadbanding techniques for high power 70 cm vacuum tube linear amplifiers to be used for ATV? The amplifier must be able to pass 6 MHz linearly, and without excessive drift under; /archives//html/Amps/2006-12/msg00019.html (6,557 bytes)
15. [Amps] Non-inductive Resistors (score: 1): Author: jmltinc@aol.com; Date: Thu, 08 Feb 2007 07:39:27 -0500; Hello all, Am looking to load a 70cm amplifier grid with about 1K or less of resistance. This has probably been asked before, but what types of "non-inductive" resistors are non-inducive up to 1 GHz?; /archives//html/Amps/2007-02/msg00129.html (6,716 bytes)
16. [Amps] Non-inductive Resistors (score: 1): Author: JMLTINC@aol.com; Date: Fri, 9 Feb 2007 15:00:42 EST; John, I would ask this question of Ohmite about their OX/OY series ceramic composition resistors. Last time I asked them by posting a request on their WEB site, they got back to me in a couple of day; /archives//html/Amps/2007-02/msg00166.html (9,003 bytes)
17. Re: [Amps] (Amps) This Reflector. (score: 1): Author: jmltinc@aol.com; Date: Tue, 20 Mar 2007 08:36:07 -0400; Replies like this do not help the situation. If everyone who was unhappy with the situation on this Reflector left, there would only be be a small clique remaining, exchanging like views. The invitat; /archives//html/Amps/2007-03/msg00238.html (8,068 bytes)
18. Re: [Amps] (Amps) This Reflector. (score: 1): Author: JMLTINC@aol.com; Date: Tue, 20 Mar 2007 16:45:49 EDT; Tom, I won't debate what happened some time ago, particularly about "personal innuendo or attack" of which I agree completely. And what happened - happened. Right or wrong. When it did come down, som; /archives//html/Amps/2007-03/msg00261.html (8,686 bytes)
19. Re: [Amps] (Amps) This reflector. (score: 1): Author: JMLTINC@aol.com; Date: Tue, 20 Mar 2007 16:53:44 EDT; Jim, Is this group to now filter question it deems to be of a basic electronics nature? Who shall decide what topic or question is beneath his reflector and thus, not worthy of a reply? And who is so; /archives//html/Amps/2007-03/msg00262.html (7,810 bytes)
20. Re: [Amps] This Reflector. (score: 1): Author: JMLTINC@aol.com; Date: Tue, 20 Mar 2007 19:10:49 EDT; Dick, Perhaps you missed his prior post on the reflector containing my previous comments. And why should I direct a reply to Tom directly? I never singled him out. My comments are to all in the Group; /archives//html/Amps/2007-03/msg00268.html (6,670 bytes)

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