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References: [ +from:wc6w_amps@yahoo.com: 193 ]

Total 193 documents matching your query.

121. Re: [Amps] big capacitor in HV PS (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Mon, 22 Mar 2010 10:53:41 -0700 (PDT)
For "real world" reference : A 22LR bullet starts off with about 100 joules. A 5.56 rifle bullet around 1500. A 50 cal machine gun bullet around 15000. The .45x big game bullets would rate around 80
/archives//html/Amps/2010-03/msg00470.html (7,448 bytes)

122. Re: [Amps] Plate chokes (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Thu, 25 Mar 2010 10:20:17 -0700 (PDT)
Hi Vic, For curious loops and other RF choke concepts, you may wish to view US patents nos: 2692372 3982814 4394631 4641115 73 & Good morning, Marv WC6W http://wc6w.50webs.com/ * ____________________
/archives//html/Amps/2010-03/msg00620.html (7,237 bytes)

123. [Amps] Seeking an old article ... (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Thu, 25 Mar 2010 10:49:59 -0700 (PDT)
This is a longshot but, does anyone happen to have a copy of: "Direct Single Sideband Modulation of Transmitter Output Switcher Stages" by F.G. Tinta Originally published in the proceedings of RF Exp
/archives//html/Amps/2010-03/msg00623.html (6,567 bytes)

124. Re: [Amps] Class F PA circuit tricks to improve efficiency (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Thu, 1 Apr 2010 09:42:22 -0700 (PDT)
Hi John & Carl, I've got an old article describing the RCA BTA-5T which employs the harmonic trap scheme posted on my webpage at: http://wc6w.50webs.com/wc6wamps/index.html?fr522.html 73 & Good morni
/archives//html/Amps/2010-04/msg00011.html (9,915 bytes)

125. [Amps] Link Coupled Toroid Grid Circuit? (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Fri, 9 Apr 2010 18:58:40 -0700 (PDT)
Has anyone ever seen this used anywhere? I'm considering the approach to drive the grid of a 6146 from a 1 watt transistor exciter. 73 & Good evening, Marv WC6W http://wc6w.50webs.com/ * ____________
/archives//html/Amps/2010-04/msg00337.html (6,921 bytes)

126. Re: [Amps] Series screen gate design help (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Wed, 14 Apr 2010 17:54:32 -0700 (PDT)
Hi Vic, A power FET or an IGBT (with an internal or external diode) should do for that spot rather than an old bipolar device. At least a 600V device would be indicated. 600V IGBT's have become very
/archives//html/Amps/2010-04/msg00463.html (9,810 bytes)

127. [Amps] FS: Parts that may be of some use in Amplifiers (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Wed, 5 May 2010 08:59:14 -0700 (PDT)
1N2804A -- 6.8V 50 Watt Zener Diodes, TO-3 case, NOS -- $10 each More Semiconductors may be seen at: http://wc6w.50webs.com/wc6wfsw/index.html?fr20.html ** Transformers ** Powerstat 10B 120 volt, 1.7
/archives//html/Amps/2010-05/msg00059.html (12,322 bytes)

128. Re: [Amps] Circuit Boards (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Tue, 18 May 2010 09:32:11 -0700 (PDT)
Hi Jim, Have you looked at ExpressPCB? http://www.expresspcb.com/ Very shallow learning curve. Reasonable prototype pricing but, not so for a production run. 73 & Good morning, Marv WC6W http://wc6w.
/archives//html/Amps/2010-05/msg00177.html (8,421 bytes)

129. Re: [Amps] Relay Driver (Chip) (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Mon, 24 May 2010 08:41:48 -0700 (PDT)
Hi Jay, Try a FET driver. A typical device may be seen here: http://focus.ti.com/docs/prod/folders/print/ucc37321.html 73 & Good morning, Marv WC6W http://wc6w.50webs.com/ -- On Sun, 5/23/10, JayKay
/archives//html/Amps/2010-05/msg00388.html (8,874 bytes)

130. Re: [Amps] HV Diode String Question (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Tue, 8 Jun 2010 09:08:51 -0700 (PDT)
Hi Jim, Avalanche spec'ed parts may be series'ed san snubbers & equalizers. There is a question as to whether some small (typcially circa .001 uF) caps should be placed across them to prevent diode s
/archives//html/Amps/2010-06/msg00086.html (10,483 bytes)

131. [Amps] M1156 Xistor Specs? (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Sun, 27 Jun 2010 11:33:50 -0700 (PDT)
Anyone happen to know the specs on a M1156 Transistor from the late 1980's? Also goes by a Motorola service part number 48-84411L56. These are large SOE bipolar devices so they're probably VHF or UHF
/archives//html/Amps/2010-06/msg00213.html (6,653 bytes)

132. [Amps] FS: Plate Supply Capacitor set (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Tue, 6 Jul 2010 09:36:39 -0700 (PDT)
10 pieces, 680uF @ 450V, 105 °C, 4 pin snap mount radial capacitors. 1-9/16" diameter x 2-3/8" high not including terminals, and they are NEW. $50 for the 10 parts. Plus shipping, if necessary, natur
/archives//html/Amps/2010-07/msg00059.html (6,572 bytes)

133. Re: [Amps] Labeling panels (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Sat, 21 Aug 2010 11:16:13 -0700 (PDT)
Hi Vic, Can that program print "sdrawkcab" so that the text may be protected under the clear? 73 & Good morning, Marv WC6W http://qsl.net/wc6w/ _______________________________________________ Amps ma
/archives//html/Amps/2010-08/msg00345.html (10,106 bytes)

134. Re: [Amps] Autotune amplifier. How to implement actuator / system for tank switching? (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Sat, 11 Sep 2010 12:13:52 -0700 (PDT)
Hi Marius, I've gone both ways, stepper motors & gearhead motors, for driving tunable elements. I've found the gearhead motor route to be the most practical, especially if you are considering true au
/archives//html/Amps/2010-09/msg00090.html (10,956 bytes)

135. Re: [Amps] What aluminum alloy to use for making PSU and RF deck subracks? (Should be easy to bend and cut, good for general hobby use). (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Wed, 15 Sep 2010 08:46:01 -0700 (PDT)
Hi, I use 2024-T0 (nice 'n soft but, scratches easily) for pieces that will be bent and 6061-T6 for flat parts that need to be stiff. 73 & Good morning, Marv WC6W http://qsl.net/wc6w/ _______________
/archives//html/Amps/2010-09/msg00185.html (10,888 bytes)

136. Re: [Amps] Motorola RF transistor question (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Fri, 24 Sep 2010 08:59:13 -0700 (PDT)
Hi Randy, Probably not. The M9xxx parts are typically found in VHF & UHF radios; the '454 is an HF part. 73 & Good morning, Marv WC6W http://qsl.net/wc6w/ ____________________________________________
/archives//html/Amps/2010-09/msg00307.html (8,232 bytes)

137. Re: [Amps] Why are 833s so Expensive (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Mon, 27 Sep 2010 08:49:54 -0700 (PDT)
Hi Roger, Perhaps because they are used here: http://www.wavac-audio.jp/sh833_e.shtml which retails for $175,000 73 & Good morning, Marv WC6W http://qsl.net/wc6w/ -- On Sun, 9/26/10, Roger <roger@rog
/archives//html/Amps/2010-09/msg00325.html (9,616 bytes)

138. [Amps] FS: Parts that may be of some use in RF Amplifiers (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Thu, 30 Sep 2010 08:50:31 -0700 (PDT)
Alert!! Microsoft IE8 or IE9 may not properly display my webpage. Surely Billy G. is hard at work on the fix. Firefox displays it fine, as does IE6 & IE7. 1N2804A -- 6.8V 50 Watt Zener Diodes, TO-3 c
/archives//html/Amps/2010-09/msg00363.html (12,587 bytes)

139. [Amps] FS: RF Amplifier Parts -- Corrected Links (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Thu, 30 Sep 2010 09:34:26 -0700 (PDT)
Alert!! Microsoft IE8 or IE9 may not properly display my webpage. Surely Billy G. is hard at work on the fix. Firefox & Chrome displays it fine, as does IE6 & IE7. 1N2804A -- 6.8V 50 Watt Zener Diode
/archives//html/Amps/2010-09/msg00364.html (13,115 bytes)

140. Re: [Amps] Switching Supplies for High Current Filaments (score: 1)
Author: Radio WC6W <wc6w_amps@yahoo.com>
Date: Thu, 7 Oct 2010 09:23:15 -0700 (PDT)
Hi Paul, Here's the simple solution http://qsl.net/wc6w/wc6wamps/index.html?fr63.html Note: If you are using Explorer 8 or 9, "Compatabilty Mode" must be selected on the "Tools" menu to properly view
/archives//html/Amps/2010-10/msg00093.html (10,760 bytes)


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