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21. [AMPS] Silver Plating question (score: 1): Author: hbrown@voicenet.com (Harry Brown); Date: Sat, 18 Sep 1999 13:59:32 -0400; There were a series on silver plating on the vhf reflector back in Feb/March of 1998. I saved some of the postings. I could combine them (about a dozen) into one posting if desired. 73, Harry, W3IIT; /archives//html/Amps/1999-09/msg00158.html (10,207 bytes)
22. [AMPS] Front Panel Labeling ??? (score: 1): Author: hbrown@voicenet.com (Harry Brown); Date: Sat, 07 Aug 1999 14:56:54 -0400; You could also use the same paper master to have a silk screen made (check with your local t-shirt shop). Then a little paint and a squeegee and you've got the panel painted. 73, Harry, W3IIT == <cen; /archives//html/Amps/1999-08/msg00151.html (12,700 bytes)
23. [AMPS] HV switching power supply (score: 1): Author: hbrown@voicenet.com (Harry Brown); Date: Mon, 26 Jul 1999 13:37:09 -0400; Check the February 1991 issue of QEX for an article on a switching power supply by Timothy Hullick, W9QQ. 2000 volts at 1.5 amperes. Inrush current less than 1 amp. Ripple less than 2 volts No load t; /archives//html/Amps/1999-07/msg00475.html (8,725 bytes)
24. SV: [AMPS] Exit comments (score: 1): Author: hbrown@voicenet.com (Harry Brown); Date: Thu, 10 Jun 1999 12:39:55 -0400; I would believe that Mr. Miklos spends his excess time operating on ham radio - do you guys remember that? He is somewhat active on the VHF bands - at least during the vhf contests. 73, Harry, W3IIT; /archives//html/Amps/1999-06/msg00349.html (9,042 bytes)
25. [AMPS] SMPS a la QEX (score: 1): Author: hbrown@voicenet.com (Harry Brown); Date: Sun, 20 Jun 1999 09:45:52 -0400; Note there was a small addendum to the Feb 91 QEX article. See the August 1991 issue, page 21. 73, Harry, W3IIT <center>Visit the Mt. Airy VHF Radio Club at: <underline><color><param>0000,0000,fefe</; /archives//html/Amps/1999-06/msg00533.html (12,240 bytes)
26. R: [AMPS] Problem with Plate Choke (score: 1): Author: hbrown@voicenet.com (Harry Brown); Date: Tue, 29 Jun 1999 17:50:31 -0400; As far as I know, Ameritron will sell you any part used in their amps. They have some manuals on their web page. I believe all have parts lists but the ones I saw did not have the schematics. They wi; /archives//html/Amps/1999-06/msg00783.html (9,632 bytes)
27. [AMPS] Need 30PF vac variable (score: 1): Author: hbrown@voicenet.com (Harry Brown); Date: Thu, 20 May 1999 16:53:04 -0400; In the July 1985 issue of 73, WB2WIK, had a detailed writeup of a 4-1000A amp for 6 meters. He used a 5-55 pf vacuum variable cap (ITT/Jennings GCS-55), 3 turns of 1/4 inch copper tubing on a 1 and 3; /archives//html/Amps/1999-05/msg00246.html (8,940 bytes)
28. [AMPS] Ferrite Rod for 6M 8877 Amp (score: 1): Author: hbrown@voicenet.com (Harry Brown); Date: Wed, 26 May 1999 12:54:37 -0400; I'm gathering parts for a new amp for 6M using an 8877. I've found several references to the construction of the RFC in the filament circuit. Some articles just say "ferrite core" and one said use a; /archives//html/Amps/1999-05/msg00307.html (7,823 bytes)
29. [AMPS] Band Pass Filtering (score: 1): Author: hbrown@voicenet.com (Harry Brown); Date: Thu, 29 Apr 1999 07:33:49 -0400; I doubt that a bandpass filter between the rig and the amp or after the amp is going to do much for most distortion caused by solid state amps. A bandpass filter may reject some LO leakthru (from ban; /archives//html/Amps/1999-04/msg00441.html (10,457 bytes)

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