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241. Re: [Amps] low pass filter fail (score: 1): Author: peter chadwick <g8on@fsmail.net>; Date: Tue, 29 Apr 2014 17:32:23 +0200; I don't know how much harmonic attenuation you would get in the matching network for a solid state 2m PA, but at 500 watts output, it might not be as much as 30dB, and then you need 40dB from the stu; /archives//html/Amps/2014-04/msg00252.html (7,408 bytes)
242. Re: [Amps] complicated Bias circuit (score: 1): Author: peter chadwick <g8on@fsmail.net>; Date: Mon, 05 May 2014 08:37:26 +0200; You cannot cut off a tube with cathode self bias. So to really cut it off in receive needs an extra supply. vy 73 Peter G3RZP _______________________________________________ Amps mailing list Amps@co; /archives//html/Amps/2014-05/msg00008.html (7,112 bytes)
243. Re: [Amps] Building an amp suggestions (score: 1): Author: peter chadwick <g8on@fsmail.net>; Date: Thu, 08 May 2014 14:02:26 +0200; Plus the 4-1000 needs a lot of plate volts in grounded grid, thus increasing the requirements for the plate tuning capacitor and the bandswitch. vy 73 Peter G3RZP == Message Received: May 08 2014, 11; /archives//html/Amps/2014-05/msg00026.html (8,975 bytes)
244. Re: [Amps] YAESU QUADRA Line Voltage Question (score: 1): Author: peter chadwick <g8on@fsmail.net>; Date: Sat, 14 Jun 2014 23:18:48 +0200; Interesting question. Most ETSI Standards (applicable in Europe and a fair bit of the Far East) require operation meetings spec for mains voltage +/- 10%. BUT the standard for commercially available; /archives//html/Amps/2014-06/msg00015.html (8,121 bytes)
245. Re: [Amps] YAESU QUADRA Line Voltage Question (score: 1): Author: peter chadwick <g8on@fsmail.net>; Date: Sun, 15 Jun 2014 09:56:51 +0200; I still find it surprising (to say the least!) that the ETSI Standard doesn't require operation over the +/-10% of nominal mains voltage. A definite omission. Still, ERM TG26 is mainly concerned with; /archives//html/Amps/2014-06/msg00021.html (8,620 bytes)
246. [Amps] address change (score: 1): Author: peter chadwick <g8on@fsmail.net>; Date: Wed, 18 Jun 2014 18:38:59 +0200; How do I get the email address to which list messages are sent changed, other than by unsubscribing and re-subscribing? 73 Peter G3RZP _______________________________________________ Amps mailing lis; /archives//html/Amps/2014-06/msg00046.html (6,591 bytes)

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