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Total 226 documents matching your query.

121. Re: [Amps] Switching PS for filaments? (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Sun, 18 Feb 2007 14:57:28 -0600
What ever happened to the simple transformer with a grounded, or B- fed center tap? BOB DD Ok, how about pulling all the treads together on this topic and both summarize and visualize an ideal filame
/archives//html/Amps/2007-02/msg00277.html (10,135 bytes)

122. Re: [Amps] Switching PS for filaments? (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Sun, 18 Feb 2007 15:13:17 -0600
BTW celebrating 36 years "legally" on the radio this weekend. I blew the control grids out of my homebrew 4 813 amplifier by cranking the power up too high to squeeze the last couple watts out. It st
/archives//html/Amps/2007-02/msg00279.html (10,071 bytes)

123. Re: [Amps] Amps Digest, Vol 50, Issue 44 (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Mon, 19 Feb 2007 17:57:20 -0600
Yeah Willy backed over it with his pickup.. You get to pay extra for that service. 3" tall -- amazing! -S Lab KVDC 19" Willy K3VW _______________________________________________ Amps mailing list Amp
/archives//html/Amps/2007-02/msg00307.html (8,031 bytes)

124. Re: [Amps] Power Transistor Question -- 2SC5125 (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Tue, 20 Feb 2007 09:11:26 -0600
Good Morning guys, I would say the transistor manufacturers have "Designed IN" the proper amount of conductivity in their Junction to case joints. Where the fault lies is the radio manufacturer canno
/archives//html/Amps/2007-02/msg00312.html (14,839 bytes)

125. Re: [Amps] Getting rid of blower noise (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Tue, 20 Feb 2007 10:40:56 -0600
Funny you should mention this Colin, I'm working on amplifiers powered by ANTI-MATTER... If we can achieve this, ANTI-NOISE will be a walk in the park. ** Seriously (yeah right), you need a condenser
/archives//html/Amps/2007-02/msg00315.html (9,185 bytes)

126. Re: [Amps] Getting rid of blower noise (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Tue, 20 Feb 2007 16:41:28 -0600
Why not build a 100% active canceling room? Have it so even your voice is cancelled out then start from there. The nice thing about this design is that the microphone is apparently only needed to get
/archives//html/Amps/2007-02/msg00325.html (9,197 bytes)

127. Re: [Amps] Fw: gu74b (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Tue, 20 Feb 2007 16:50:10 -0600
Huh, I like to lay the final mix on a nice garnish of wide rice... with a side of sweet peas. That sounds good, I'll have my wife mix up a little GU74B for dinner... and she thought she was fixing st
/archives//html/Amps/2007-02/msg00326.html (8,271 bytes)

128. [Amps] Dayton (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Tue, 20 Feb 2007 16:56:19 -0600
Of the regular posters here, who regularly attends Dayton? My radio club (NAQRO) is looking at almost a 100% attendance this year. We're pretty excited about that. Any of you gentlemen who aren't nec
/archives//html/Amps/2007-02/msg00327.html (6,398 bytes)

129. Re: [Amps] Dayton (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Tue, 20 Feb 2007 17:15:26 -0600
Well yeah this year could be pretty fun if we did it right. Who else? We go most every year but don't usually hit the hospitality suites. Maybe this year. I never could rationize spending $200+ for a
/archives//html/Amps/2007-02/msg00329.html (8,189 bytes)

130. Re: [Amps] Dayton (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Tue, 20 Feb 2007 23:27:45 -0600
Yeah Lou, your turn to wear the pink chiffon. _____ We go most every year but don't usually hit the hospitality suites. Maybe this year. I never could rationize spending $200+ for airplane tickets, $
/archives//html/Amps/2007-02/msg00334.html (8,626 bytes)

131. Re: [Amps] Dayton (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Tue, 20 Feb 2007 23:28:54 -0600
Well here's what I'm thinking. The big suite on the main floor. Just hold a big group in the far right back corner, everybody get together and have a blast. BOB DD _____ From: Gudguyham@aol.com [mail
/archives//html/Amps/2007-02/msg00335.html (8,280 bytes)

132. Re: [Amps] Dayton (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Wed, 21 Feb 2007 11:03:04 -0600
That's cool peter, but at nine PM or so Saturday night venture downstairs to the BIG suite and visit... We'll see you in SMC on Friday night anyway. BOB DD Bob asked: I'll be there. Arriving Thursday
/archives//html/Amps/2007-02/msg00345.html (8,399 bytes)

133. Re: [Amps] Getting rid of blower noise - an alternate coolingschemeusing the phase transition of liquid carbon dioxide (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Wed, 21 Feb 2007 15:26:28 -0600
Yeah it was used as a coolant in the Hindenburg too. --Original Message-- From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On Behalf Of David G4FTC Sent: Wednesday, February 21,
/archives//html/Amps/2007-02/msg00352.html (9,567 bytes)

134. Re: [Amps] Getting rid of blower noise - an alternate coolingschemeusing the phase transition of liquid carbon dioxide (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Thu, 22 Feb 2007 12:39:33 -0600
Yes a lot of things are perfectly SAFE in this world when they are left by themselves. Just add an Oxidizer to the reactant and things go totally bad. Stable Entity: Hydrogen - Oxidizer: Air (21% O2)
/archives//html/Amps/2007-02/msg00360.html (10,084 bytes)

135. Re: [Amps] Getting rid of blower noise - an alternatecoolingschemeusing the phase transition of liquid carbon dioxide (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Thu, 22 Feb 2007 15:16:35 -0600
Yeah it was a Flight #XXX (insert your favorite disaster here) disaster in SLOW MOTION. I have watched the footage maybe 100 times and it is one of the saddest things to watch as an airline pilot. No
/archives//html/Amps/2007-02/msg00368.html (13,419 bytes)

136. [Amps] Berkshire (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Fri, 2 Mar 2007 13:20:17 -0600
I remember in the olden days, EVERY HAM PROJECT had a Berkshire Transformer bolted into it. For the longest time they were the "Ham's" transformer company. I suppose they liked the ARRL handbook proj
/archives//html/Amps/2007-03/msg00012.html (8,035 bytes)

137. Re: [Amps] MOV Sizing (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Sat, 3 Mar 2007 11:35:13 -0600
Paul, The two to ground would be the correct installation. 140V should be very adequate I would think. Keep them up off the chassis because sometimes they blow BLACK and SOOTY. If you notice in many
/archives//html/Amps/2007-03/msg00023.html (8,558 bytes)

138. Re: [Amps] Loading SB-220 (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Sat, 3 Mar 2007 14:00:56 -0600
Use LV position, and why is that Jay? I would agree to get within a reasonable setting with LV and pop her over to SSB... But why do you say stay with LV? BOB DD GA Win - 1. Loading on the WARC Bands
/archives//html/Amps/2007-03/msg00027.html (9,154 bytes)

139. Re: [Amps] Loading SB-220 (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Sat, 3 Mar 2007 17:52:05 -0600
Hi Pete, Now I will give out a massive warning to anybody with ANY AMP. If you have an amplifier that is PreWARC design and you decide to become a test pilot and fire the unit up on 12 and or 17... Y
/archives//html/Amps/2007-03/msg00038.html (11,783 bytes)

140. Re: [Amps] Loading SB-220 (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Sat, 3 Mar 2007 18:44:38 -0600
Hey Jay, I think you were given bad advice, the filament choke would not be an issue, it would be the plate choke. BOB Pete - You loss the bet. There was never an issue with of arcing in my SB-220. T
/archives//html/Amps/2007-03/msg00039.html (13,264 bytes)

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