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21. [Amps] Jennings relays (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Thu, 3 Sep 2009 21:09:41 -0700
Any one know if the Jennings RGF-62 has the same pinout as the RF-60 and why didnt they list it on the PDF of the RF-60 ??? (the No/Nc and common) KC7NOA _____________________________________________
/archives//html/Amps/2009-09/msg00034.html (6,858 bytes)

22. [Amps] FW: 3-500z Silly question (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Sat, 5 Sep 2009 11:39:30 -0700
Center Tap ?? Measurements have been made from the choke to each 3-500z filament ... then divided by 2 ... I have solved my issues with marginal voltage for my 24V relays. I was hoping that the 12V w
/archives//html/Amps/2009-09/msg00049.html (9,238 bytes)

23. [Amps] FW: FW: 3-500z Silly question (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Sat, 5 Sep 2009 21:03:49 -0700
yes The tubes are powered (2X 3-500Z) .... just no plate voltage. And the MFJ uses RF in its measurements ... Are you saying that the signal level is too low? Nope .. wish i had some thing close ..
/archives//html/Amps/2009-09/msg00052.html (11,260 bytes)

24. [Amps] Wire size (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Mon, 7 Sep 2009 22:04:54 -0700
Any one know of a online conversion for wire diameter ??I have a part description that states "0.7PEW" i know that its polyester enameled wire Ok whats up with my editor ... guess ill need to reboot.
/archives//html/Amps/2009-09/msg00083.html (6,717 bytes)

25. [Amps] Input toroids (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Thu, 10 Sep 2009 17:57:33 -0700
Any one know if the progression shown here is linear ... from 3 to 4 ??http://toroids.info/T68-2.php im trying to build some input toroids for a Yokagawa amp. ________________________________________
/archives//html/Amps/2009-09/msg00148.html (6,747 bytes)

26. Re: [Amps] to buy 8 pieces 200uF 500V caps (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Sun, 13 Sep 2009 12:46:29 -0700
this seems reasonable at Ebay .. dont know what the shipping to your place but 100uf@450V item 380154041794 or if 100uf might be a bit low on capacitance.KC7NOA ______________________________________
/archives//html/Amps/2009-09/msg00181.html (8,493 bytes)

27. Re: [Amps] Query about capacitor value (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Mon, 14 Sep 2009 23:41:47 -0700
What size is it?? KC7NOA _________________________________________________________________ Ready for Fall shows? Use Bing to find helpful ratings and reviews on digital tv's. http://www.bing.com/shop
/archives//html/Amps/2009-09/msg00190.html (7,466 bytes)

28. [Amps] 3-500Z heater voltage reduction (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Tue, 15 Sep 2009 12:03:21 -0700
Ok.. yea i did search some on reducing the voltage at the heaters on google ... yikes alot of what in not really looking for.So a quick question .. what is the favored way to reduce the voltage ?? i
/archives//html/Amps/2009-09/msg00205.html (8,148 bytes)

29. [Amps] FW: 3-500Z heater voltage reduction (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Tue, 15 Sep 2009 12:33:45 -0700
I think i have some RG-174 .. thats a micro-hardline. its innards are teflon, just not sure on the Ga ... shouldn't be hard to find.... Think its probably my best bet at the moment. Great that one id
/archives//html/Amps/2009-09/msg00208.html (8,973 bytes)

30. Re: [Amps] FW: 3-500Z heater voltage reduction (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Tue, 15 Sep 2009 14:55:36 -0700
Update - kinda - If any one dosent know im modding a Yokagawa GE medical amp into ham service ... I added 800V of capacitance to the HV instead of using dropping resistors (still dont know the actual
/archives//html/Amps/2009-09/msg00212.html (8,744 bytes)

31. [Amps] OT: 160/75 Noise (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Fri, 2 Oct 2009 09:59:05 -0700
Im just wondering if my seriously high noise that sounds like a chainsaw is local or something else.Im wondering if it is not local because it usaly goes away about half hour after it gets dark. (or
/archives//html/Amps/2009-10/msg00024.html (7,250 bytes)

32. [Amps] Yokogawa P9306ul (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Thu, 22 Oct 2009 22:02:14 -0700
Ok , new update from me about this Yokogawa P9306ul clone of a Tokyo HyPower HL-2K. After waiting for what seemed forever the heater voltage dropping resistors arrived and have been installed. I used
/archives//html/Amps/2009-10/msg00301.html (7,633 bytes)

33. [Amps] HM-104 swr/power (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Thu, 5 Nov 2009 06:16:08 -0800
Im looking at a large google pile .... I am/was looking for a replacement trimer cap 2.5-20pf for the swr null. Does any one have an idea where to get the replacement for the 31-57 (thats a heathkit
/archives//html/Amps/2009-11/msg00065.html (7,011 bytes)

34. [Amps] Speaking of B- (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Sun, 8 Nov 2009 15:14:11 -0800
I been pondering a minor problem. After getting my Yokagawa HL-2K clone up and running the amp meter reads slightly over 200ma when Tx'ing slightly over 1KW. This seems about 1/4 of what it should sh
/archives//html/Amps/2009-11/msg00129.html (7,450 bytes)

35. [Amps] FW: Discharging B+ to ground -- (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Mon, 23 Nov 2009 16:24:30 -0800
Probably the reason why my Yokogwa P9306UL only shows 200ma at 1KW !!!! I should fix that. KC7NOA Windows 7: It works the way you want. Learn more. ___________________________________________________
/archives//html/Amps/2009-11/msg00247.html (8,720 bytes)

36. [Amps] QRO Parts (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Mon, 23 Nov 2009 21:41:17 -0800
Any one have a bad experiences with QRO ??? The supplier of russian tubes and part and stuff?? Mike KC7NOA _________________________________________________________________ Windows 7: It works the wa
/archives//html/Amps/2009-11/msg00248.html (7,152 bytes)

37. [Amps] QRO Parts (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Mon, 23 Nov 2009 22:20:35 -0800
Now that is Free Enterprise at work .... Thanks for the tip. The owner of QRO banned me from buying because i asked a question and had not purched from him/her. Considering i was still shopping for m
/archives//html/Amps/2009-11/msg00250.html (8,846 bytes)

38. [Amps] GI-7B (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Fri, 4 Dec 2009 22:06:11 -0800
GI-7B just a question about what the true limit of plate voltage is?? Is 3.8Kv too much ?? KC7NOA _________________________________________________________________ Windows Live Hotmail gives you a fr
/archives//html/Amps/2009-12/msg00122.html (6,581 bytes)

39. Re: [Amps] GI-7B (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Sun, 6 Dec 2009 07:02:53 -0800
Ok, the reason this came to me as a question is that i was thinking of replacing my 3-500Z's (one is arcing over - and had destroyed bias circuitry - which im almost done repairing) with a pair or 3
/archives//html/Amps/2009-12/msg00158.html (10,932 bytes)

40. [Amps] 3-500z Plate voltage... (score: 1)
Author: MIKE DURKIN <patriot121@msn.com>
Date: Thu, 10 Dec 2009 17:01:08 -0800
I have a question about when you can apply plate voltage. Being that they are almost instant on - would it be better for longer life to use a relay for the HV a few seconds for the filaments to start
/archives//html/Amps/2009-12/msg00288.html (7,314 bytes)

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