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1. [Amps] Info TP2307 transistor (score: 1)
Author: conrad@g0ruz.net (Conrad G0RUZ)
Date: Mon, 13 Jan 2003 01:22:58 -0000
Does anyone have a datasheet for the (Motorola?) TP2307 please? Regards Conrad G0RUZ
/archives//html/Amps/2003-01/msg00099.html (6,269 bytes)

2. [Amps] Jennings RJ2C (score: 1)
Author: conrad@g0ruz.net (Conrad G0RUZ)
Date: Fri, 29 Nov 2002 19:14:11 -0000
A friend of mine just asked about some Jennings RJ2C 26N801 relays. It reminded me that I also have some and would like to know the ratings. Can anyone help? Regards Conrad G0RUZ
/archives//html/Amps/2002-11/msg00401.html (6,409 bytes)

3. [Amps] Test (score: 1)
Author: conrad@g0ruz.net (Conrad G0RUZ)
Date: Sun, 13 Oct 2002 02:52:19 +0100
Sorry guys changed email address and just checking subscription update. Conrad G0RUZ
/archives//html/Amps/2002-10/msg00117.html (6,088 bytes)

4. [Amps] WINDING TANK COILS ......HELP (score: 1)
Author: conrad@g0ruz.net (Conrad G0RUZ)
Date: Sat, 19 Oct 2002 01:39:20 +0100
I think that Steve is correct, put a known cap across the coil. If you want painless measurements buy a AADE L/C meter IIB http://www.aade.com/lcmeter.htm . These little meters give excellent results
/archives//html/Amps/2002-10/msg00209.html (9,314 bytes)

5. RE: [Amps] 8877 HB amplifier (score: 1)
Author: "Conrad Farlow" <conrad@g0ruz.net>
Date: Tue, 26 Aug 2003 18:36:33 +0100
Indeed it is Paul, as ever! Conrad G0RUZ Thats a rather nice looking amplifier, Paul. FB! 73 John K5PRO _______________________________________________ Amps mailing list Amps@contesting.com http://li
/archives//html/Amps/2003-08/msg00040.html (7,389 bytes)

6. [Amps] Flashover protection (score: 1)
Author: "Conrad G0RUZ" <conrad@g0ruz.net>
Date: Thu, 11 Dec 2003 04:08:43 -0000
The only crowbar protection that I have seen for HT supplies is that of OE5JFL http://www.qsl.net/oe5jfl/flashover.htm . I should imagine that there are better (cheaper?) devices out there now. Does
/archives//html/Amps/2003-12/msg00168.html (7,045 bytes)

7. [Amps] Flashover protection (score: 1)
Author: "Conrad G0RUZ" <conrad@g0ruz.net>
Date: Fri, 12 Dec 2003 02:28:47 -0000
I have been making amps long enough to know about the series resistor in the B+ and have always followed Eimac's recommendations about limiting the energy to the tube in the event of a flashover. It
/archives//html/Amps/2003-12/msg00184.html (7,762 bytes)

8. RE: [Amps] Alpha 87A troubles with fault 17 (score: 1)
Author: "Conrad G0RUZ" <conrad@g0ruz.net>
Date: Sun, 25 Jan 2004 01:42:53 -0000
I think that you are correct regarding the FT990 here Steve, I had some problems with this tripping the grid protection on a 4CX1000A amp that I had at the time. I'm pretty sure that Ian G3SEK did so
/archives//html/Amps/2004-01/msg00282.html (9,476 bytes)

9. [Amps] 3CX3000A7 Data sheet? (score: 1)
Author: "Conrad G0RUZ" <conrad@g0ruz.net>
Date: Thu, 29 Jan 2004 22:40:08 -0000
Has anyone got a copy of a datasheet for the 3CX3000A7 that they could let me have? I would also be interested in an air system socket if anyone can help. Regards Conrad G0RUZ _______________________
/archives//html/Amps/2004-01/msg00347.html (6,943 bytes)

10. [Amps] Data sheet (score: 1)
Author: "Conrad G0RUZ" <conrad@g0ruz.net>
Date: Fri, 30 Jan 2004 01:06:15 -0000
Thanks to everyone for the datasheet, perhaps I should have pointed out that I was looking for the Eimac datasheet to see if there was any difference between the Eimac version and the more readily av
/archives//html/Amps/2004-01/msg00350.html (6,546 bytes)

11. [Amps] O/T:- ZN414 datasheet (score: 1)
Author: "Conrad G0RUZ" <conrad@g0ruz.net>
Date: Sun, 8 Feb 2004 03:27:11 -0000
Does anyone have a datasheet (or a link to a datasheet) for the old ZN414. I did a google search for it but was only able to turn up a German language version. It has to be for a ZN414 and none of th
/archives//html/Amps/2004-02/msg00048.html (7,097 bytes)

12. [Amps] ZN414 data (score: 1)
Author: "Conrad G0RUZ" <conrad@g0ruz.net>
Date: Mon, 9 Feb 2004 05:17:16 -0000
Thanks to everyone who helped with this, I now have the information I requested. Requests for datasheets hardly ever fail on this forum! Regards Conrad G0RUZ _________________________________________
/archives//html/Amps/2004-02/msg00051.html (6,313 bytes)

13. [Amps] FW: 6n2 (score: 1)
Author: "G0RUZ Conrad" <conrad@g0ruz.net>
Date: Mon, 16 Feb 2004 19:15:39 -0000
Take a look at Paul WD7S's modern variation here: http://wd7s.home.att.net/gallery-3.htm This uses a pair of 3CX800's, the full article appears in QEX July, August 2000. It's a very interesting idea.
/archives//html/Amps/2004-02/msg00137.html (7,049 bytes)

14. RE: [Amps] 8877 Question (score: 1)
Author: "G0RUZ Conrad" <conrad@g0ruz.net>
Date: Mon, 24 May 2004 06:28:58 +0100
Hi Gary I have made quite a number of 6m amplifiers in the class (GU74s, GS35B, GS31B, 4CXxxxxx etc) that you described and 2 with 8877's. The socket will be fine, provided that it has a good fingers
/archives//html/Amps/2004-05/msg00211.html (11,269 bytes)

15. RE: [Amps] Glass Power Tube rebuilders (score: 1)
Author: "G0RUZ Conrad" <conrad@g0ruz.net>
Date: Sun, 6 Jun 2004 17:25:23 +0100
Rich Measurew wrote...... Is that actually a rebuild? That just sounds like restoring the 'chemistry'. Surely a rebuild requires the total removal of the 'innards'. I can't for the life of me see how
/archives//html/Amps/2004-06/msg00036.html (8,445 bytes)

16. [Amps] YC-156 IMD characteristics (score: 1)
Author: "G0RUZ Conrad" <conrad@g0ruz.net>
Date: Wed, 9 Jun 2004 00:12:42 +0100
Does anyone have any IMD info for the YC-156 at various HT potentials. Between 3.5kV and 5kV in 500 volt increments would be useful, class AB or B. Regards Conrad G0RUZ ______________________________
/archives//html/Amps/2004-06/msg00056.html (6,413 bytes)

17. [Amps] 3CX3000A7 to swap (score: 1)
Author: "G0RUZ Conrad" <conrad@g0ruz.net>
Date: Sat, 17 Jul 2004 21:51:53 +0100
Hello I am looking to swap a full output 3CX3000A7 for either a YC-156 or as a second choice a 8877 and socket. Please email me directly if interested. Regards Conrad G0RUZ __________________________
/archives//html/Amps/2004-07/msg00103.html (6,776 bytes)

18. RE: [Amps] GU43B amp for 2m ? (score: 1)
Author: "G0RUZ Conrad" <conrad@g0ruz.net>
Date: Tue, 26 Oct 2004 21:45:58 +0100
Yes its a copy of the 4CX1000A amplifier that was published in the ARRL handbook. I have built this amp and used a 4CX1500B in it, the key is to ground the screen. One other caveat is that there is a
/archives//html/Amps/2004-10/msg00430.html (8,588 bytes)

19. RE: [Amps] oscilloscopes -- TSPA (score: 1)
Author: "G0RUZ Conrad" <conrad@g0ruz.net>
Date: Thu, 25 Nov 2004 00:19:08 -0000
I also use the TDS-3054B at work and they are incredible little things. The addition of colour on a VGA LCD screen is of real benefit when displaying multiple waveforms. The frequency and delta funct
/archives//html/Amps/2004-11/msg00416.html (7,750 bytes)

20. RE: [Amps] oscilloscopes -- TSPA (score: 1)
Author: "G0RUZ Conrad" <conrad@g0ruz.net>
Date: Thu, 25 Nov 2004 00:34:37 -0000
Quoting me I also can't bear it when I make such awful spelling mistakes! Conrad G0RUZ _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.co
/archives//html/Amps/2004-11/msg00417.html (7,076 bytes)


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