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1. [AMPS] Series Tuned Tank (score: 1): Author: nasfred@1bigred.com (Mike); Date: Sat, 14 Oct 2000 09:49:52 -0400; I believe the original question regarding series tuned tank had to do with the eventual construction of an amp. using a pair of 813s. Several years (decades) ago W4MB wrote an article in Ham Radio de; /archives//html/Amps/2000-10/msg00300.html (6,826 bytes)
2. [AMPS] 4CX-800s vs 4CX1600s (score: 1): Author: nasfred@1bigred.com (Nancy Sims); Date: Mon, 28 Feb 2000 21:59:58 -0500; Been using the 4CX1600B at 1500 watts for several years for RTTY contesting along with serving as net control for the Midwest RTTY Net every Thursday. No trouble with the tube. -- FAQ on WWW: http://; /archives//html/Amps/2000-02/msg00642.html (9,572 bytes)
3. [AMPS] Amp. Bypass SWR (score: 1): Author: nasfred@1bigred.com (Mike); Date: Sun, 07 Nov 1999 18:32:48 -0500; Hello Amp. Fans Should the amp. bypass circuit introduce a SWR reading of around 1.3 to 1 at 14 MHz. when a 50 Ohm dummy load is connected to the output of the amp. and a SWR analyzer connected to th; /archives//html/Amps/1999-11/msg00199.html (8,139 bytes)
4. [AMPS] Microwave Tranformers (score: 1): Author: nasfred@1bigred.com (Mike); Date: Sat, 20 Nov 1999 19:07:54 -0500; Hello Pino, Get a copy of QEX, Jan/Feb 1998, which has a great article by Randy, WI5W, on using microwave oven transformers for a high voltage power supply. Randy also explains how the transformers a; /archives//html/Amps/1999-11/msg00422.html (8,045 bytes)
5. [AMPS] Meter Scale (score: 1): Author: nasfred@1bigred.com (Mike Sims); Date: Sat, 10 Oct 1998 20:42:35 -0400 (EDT); Just finished a homebrew wattmeter and would like to make a non-linear meter scale. Also, have an amplifier and would like to redo the meter scales to directly display the measured values. Not intere; /archives//html/Amps/1998-10/msg00096.html (7,553 bytes)
6. [AMPS] Winding chokes... (score: 1): Author: nasfred@1bigred.com (Mike Sims); Date: Fri, 30 Oct 1998 16:11:22 -0500 (EST); A source of ceramic forms for winding the chokes is to use the body of an old high wattage ceramic resistor (~100w). Remove the resistance wire and you end up with a ceramic form. The operative word; /archives//html/Amps/1998-10/msg00505.html (10,379 bytes)
7. [AMPS] Re: Building of First amp - 813 (score: 1): Author: nasfred@1bigred.com (nasfred@1bigred.com); Date: Wed, 11 Feb 1998 17:51:55 -0500 (EST); Hello John, W4MB had an article in Ham Radio a number of years back describing the construction of a amp. with three 813s in grounded grid and I believe it covered 40 thru 10 meters. If interested, l; /archives//html/Amps/1998-02/msg00073.html (8,595 bytes)

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