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

Total 193 documents matching your query.

181. Re: [Amps] diodes for motor driven vacuum variable (score: 1): Author: Radio WC6W <wc6w_amps@yahoo.com>; Date: Mon, 27 Aug 2012 08:19:55 -0700 (PDT); Hi Jim, A reasonable guess would be some manufacturer's house number for a 1N4245: 1 amp @ 200V PIV. Something from the 1N400X series, 1N4003 or 1N4004 would be fine substitutes. 73 & Good morning, M; /archives//html/Amps/2012-08/msg00470.html (8,872 bytes)
182. Re: [Amps] Transformer guess? (score: 1): Author: Radio WC6W <wc6w_amps@yahoo.com>; Date: Mon, 27 Aug 2012 10:12:42 -0700 (PDT); Hi Vic, If you can measure the cross section of the laminations (center post or sum of the side posts) there are old charts (i.e. 1976 ARRL Handbook, Transformer Rewinding, p.109) that show the pow; /archives//html/Amps/2012-08/msg00477.html (9,464 bytes)
183. Re: [Amps] Load testing HV power supplies (score: 1): Author: Radio WC6W <wc6w_amps@yahoo.com>; Date: Tue, 25 Sep 2012 08:35:40 -0700 (PDT); Hi Chris, A large resistor load bank. I made one myself with a 4 position selector switch. The switch had to be heavily snubbed to prevent arcing. I used some 225 watt resistors in series. I have eno; /archives//html/Amps/2012-09/msg00289.html (9,324 bytes)
184. [Amps] Anyone ever try any Morse Code ... (score: 1): Author: Radio WC6W <wc6w_amps@yahoo.com>; Date: Sat, 3 Nov 2012 11:35:43 -0700 (PDT); wine? http://www.henrysdrive.com/our-wines/2011-morse-code-chardonnay http://www.henrysdrive.com/our-wines/2011-morse-code-chardonnay * _______________________________________________ Amps mailing li; /archives//html/Amps/2012-11/msg00019.html (6,640 bytes)
185. Re: [Amps] low Q output matching (score: 1): Author: Radio WC6W <wc6w_amps@yahoo.com>; Date: Tue, 13 Nov 2012 08:58:12 -0800 (PST); Hi Carel, There's an ancient article in the February 1962 issue of 73 Magazine, pp 12-19, that covers this topic in depth. If you can't run down an on line copy, I can have it scanned for you. 73 & G; /archives//html/Amps/2012-11/msg00091.html (10,465 bytes)
186. Re: [Amps] Measuring tank coil inductance (score: 1): Author: Radio WC6W <wc6w_amps@yahoo.com>; Date: Thu, 25 Apr 2013 09:50:48 -0700 (PDT); <snip> Hi Vic, I have an ancient HP 4260A bridge which suffices for most measurements. However, for tank coils, I use a Time Constant circuit which is a variation of the design published in the Jan.; /archives//html/Amps/2013-04/msg00210.html (8,454 bytes)
187. Re: [Amps] Advice needed for SS amp (score: 1): Author: Radio WC6W <wc6w_amps@yahoo.com>; Date: Thu, 6 Jun 2013 08:45:05 -0700 (PDT); Hi Peter, Back in the 1950's, Hughes created the kilowatt HACON amplifier, for use on the B-58 Bomber, which had 4x 4CX250 family finals, with large finned radiators in lieu of the standard air fins,; /archives//html/Amps/2013-06/msg00110.html (9,219 bytes)
188. Re: [Amps] Advice needed for SS amp (score: 1): Author: Radio WC6W <wc6w_amps@yahoo.com>; Date: Thu, 6 Jun 2013 09:48:28 -0700 (PDT); <snip> Hi Bill, That's a cute part, and yes, you may design for a 50 ohm impedance but ... There are a few factors you should consider. The input drive is not trivial. Perhaps consider an extension t; /archives//html/Amps/2013-06/msg00114.html (11,516 bytes)
189. Re: [Amps] Bird 43 (score: 1): Author: Radio WC6W <wc6w_amps@yahoo.com>; Date: Sat, 31 Aug 2013 13:13:49 -0700 (PDT); Hi Paul, 1400 ohms. 73 & Good afternoon, Marv WC6W http://qsl.net/wc6w/ Subject: [Amps] Bird 43 To: "Amps reflector" <amps@contesting.com> Date: Saturday, August 31, 2013, 7:26 AM Good day all, I can; /archives//html/Amps/2013-08/msg00193.html (7,631 bytes)
190. Re: [Amps] SMPS use in tube based amps (score: 1): Author: Radio WC6W <wc6w_amps@yahoo.com>; Date: Sun, 22 Sep 2013 12:08:08 -0700 (PDT); Hi Ben, Correct me if I'm in error but, isn't the Flex 1500 a 5 watt rig? Grounded grid isn't going to get you where you want to go. Perhaps, you're looking at old iron. A modern transformer at that; /archives//html/Amps/2013-09/msg00281.html (11,652 bytes)
191. [Amps] FS: Radio Switch Model 88 & more (score: 1): Author: Radio WC6W <wc6w_amps@yahoo.com>; Date: Sun, 29 Sep 2013 11:40:58 -0700 (PDT); Radio Switch Model 88, 2 pole 11 position bandswitch. This is the 13KV rated model. Standard index mechanism with screw set stops. Mostly unused as only two terminals on each wafer were ever wired, a; /archives//html/Amps/2013-09/msg00328.html (8,829 bytes)
192. [Amps] 4CX1000A blower (score: 1): Author: Radio WC6W <wc6w_amps@yahoo.com>; Date: Thu, 31 Oct 2013 08:59:17 -0700 (PDT); Hi Dave, If you are running just a 4CX1000A, the Rotron Viking (B suffix) blower is an acceptable choice. Should one contemplate dropping in a 4CX1500B, at full tilt, the Rotron Spinnaker blower is i; /archives//html/Amps/2013-10/msg00470.html (8,520 bytes)
193. Re: [Amps] Simpson Panel Mtr Wanted (score: 1): Author: Radio WC6W <wc6w_amps@yahoo.com>; Date: Wed, 26 Feb 2014 08:28:32 -0800 (PST); Hi Jim, Most high current meters you describe are designed for use with 50mV shunts. That corresponds to a 5mA movement with 10 ohms internal resistance. 73 & Good morning, Marv WC6W http://qsl.net/w; /archives//html/Amps/2014-02/msg00260.html (7,392 bytes)

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