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161. [AMPS] Re: 4 to 1 un-un at the tank output (score: 1): Author: measures@vcnet.com (measures); Date: Fri, 21 Jan 2000 13:50:59 -0700; Amidon is Not a manufacturer of ferrite material. cheers, Roy - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com; /archives//html/Amps/2000-01/msg00469.html (7,540 bytes)
162. [AMPS] Uselss reply (score: 1): Author: measures@vcnet.com (measures); Date: Sat, 22 Jan 2000 11:24:25 -0700; I have the ferrite manufacturer's catalog, Phil. It has some different specifications than Amidon's catalog. . I confirmed that, at least in this application, with Type-61 material, core saturation; /archives//html/Amps/2000-01/msg00478.html (8,268 bytes)
163. [AMPS] QRO TORROID (WAS MORE USEFUL SUPPLY. (score: 1): Author: measures@vcnet.com (measures); Date: Sun, 23 Jan 2000 21:39:13 -0700; levels?.... Type 43 is ok up to 50MHz. You can stack 2.4" cores for more power handling ability. Check for core saturation by checking UHF TV channels. Ordinary #12 TFE hookup wire is good. Tape cor; /archives//html/Amps/2000-01/msg00492.html (8,164 bytes)
164. [AMPS] UrgentSwedish questions (score: 1): Author: measures@vcnet.com (measures); Date: Sun, 23 Jan 2000 21:39:11 -0700; The existing current burden is not a problem. When the amplifier intermittently oscillates at c. 155MHz during operation on other bands, the (open) 160m Tune-C padder switch tends to arc. A photo of; /archives//html/Amps/2000-01/msg00493.html (9,031 bytes)
165. SV: [AMPS] UrgentSwedish questions (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 24 Jan 2000 06:31:02 -0700; The arcing on the Figure 23 bandswitch photo on my Web site shows that arcing took place when the 80m Tune-C padder contacts were open - meaning that the amplifier was in in use on another band (20m; /archives//html/Amps/2000-01/msg00495.html (8,669 bytes)
166. SV: [AMPS] UrgentSwedish questions (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 24 Jan 2000 08:00:17 -0700; indeed, Vic, - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.; /archives//html/Amps/2000-01/msg00500.html (8,320 bytes)
167. R: [AMPS] QRO TORROID (WAS MORE USEFUL SUPPLY. (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 24 Jan 2000 08:00:15 -0700; good point, Mauri - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contes; /archives//html/Amps/2000-01/msg00501.html (7,527 bytes)
168. [AMPS] UrgentSwedish questions (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 24 Jan 2000 08:00:19 -0700; How can we know the order of burnout, Jim? To: <amps@contesting.com> - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesti; /archives//html/Amps/2000-01/msg00502.html (10,114 bytes)
169. [AMPS] QRO TORROID (WAS MORE USEFUL SUPPLY. (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 24 Jan 2000 10:10:15 -0700; With 200-ohms unbalanced in and 50-ohms unbalanced out, it has to be a transmission line transformer. later, Peter - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesti; /archives//html/Amps/2000-01/msg00508.html (8,287 bytes)
170. SV: SV: [AMPS] UrgentSwedish questions (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 24 Jan 2000 13:52:35 -0700; This was certainly not a kind offer, Hans. It was a cheap-ass ploy to get free advertising for our suppressor retrofit kits. My guess is that the self resonance in the open 160m Tune-padder circuit; /archives//html/Amps/2000-01/msg00511.html (10,890 bytes)
171. [AMPS] Input power question (score: 1): Author: measures@vcnet.com (measures); Date: Tue, 25 Jan 2000 09:19:43 -0700; Wattmeters are worthless when swr exceeds 1:1. cheers. - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Adminis; /archives//html/Amps/2000-01/msg00519.html (8,310 bytes)
172. [AMPS] 3CPX-800A7 (score: 1): Author: measures@vcnet.com (measures); Date: Tue, 25 Jan 2000 23:54:57 -0700; ... in pulse service. Continuous ratings for the P version are seemingly similar to the normal version. later, Jim - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesti; /archives//html/Amps/2000-01/msg00529.html (7,316 bytes)
173. [AMPS] comparison (score: 1): Author: measures@vcnet.com (measures); Date: Thu, 27 Jan 2000 13:24:50 -0700; The one I repaired had gold sputtering in both tubes. (see September and October 1990 issues of *QST*) This is the only manfactured 8877 amplifier that has no vhf parasitic suppressor whatsoever. I; /archives//html/Amps/2000-01/msg00548.html (7,567 bytes)
174. [AMPS] LK500-ZB help (score: 1): Author: measures@vcnet.com (measures); Date: Thu, 27 Jan 2000 14:02:38 -0700; The worst problem is that the tank padders are not rated for RF. OTOH, the tuned inputs are good. As I understand it, the owner, Mr Dennis Had was flagrante delicto on top of his desk with his secre; /archives//html/Amps/2000-01/msg00549.html (8,385 bytes)
175. [AMPS] Clipperton-L input>150watts? (score: 1): Author: measures@vcnet.com (measures); Date: Fri, 28 Jan 2000 00:16:18 -0700; 4, 572Bs drive with c. 100w. More drive results in flat topping. cheers, Jonathan - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions:; /archives//html/Amps/2000-01/msg00554.html (7,334 bytes)
176. [AMPS] TL-922 service/owners manual (score: 1): Author: measures@vcnet.com (measures); Date: Fri, 28 Jan 2000 00:16:17 -0700; no such animal. The only thing of value in the owners manual is the diagram. On page 14, the owner's manual talks about ignoring ''normal arcing'' in the (6000v) Tune C. The ''normal arcing'' is cau; /archives//html/Amps/2000-01/msg00555.html (7,900 bytes)
177. [AMPS] TL-922 service/owners manual (score: 1): Author: measures@vcnet.com (measures); Date: Fri, 28 Jan 2000 02:08:47 -0700; yes Perhaps not. My guess is that Kenwood-san was simply not aware of what was causing the 6kV capacitor to intermittently arc, General Electric Company's G. W. Fyler wrote brilliantly about the pro; /archives//html/Amps/2000-01/msg00558.html (7,945 bytes)
178. [AMPS] TL-922 diagram (score: 1): Author: measures@vcnet.com (measures); Date: Fri, 28 Jan 2000 09:53:13 -0700; I have a 922 diagram that can be e-mailed. It is a 2.5MB GIF file. cheers - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@cont; /archives//html/Amps/2000-01/msg00559.html (6,659 bytes)
179. [AMPS] 4CX1000A amp projects (score: 1): Author: measures@vcnet.com (measures); Date: Sat, 29 Jan 2000 06:55:12 -0700; The 30S-1's cathode driven circuit (AB1) has some advantages, however, the tuned inputs are way more complex than a grid driven AB1 input, and the 1A resonant-choke screen supply is a bit more of a; /archives//html/Amps/2000-01/msg00565.html (8,083 bytes)
180. [AMPS] re: Kenwood TL-922 (score: 1): Author: measures@vcnet.com (measures); Date: Sat, 29 Jan 2000 12:24:38 -0700; Craig, at Kenwood - Compton, told me there was no service manual per se for the 922 and that they used used the owner's manual in their repair shop. To: <amps@contesting.com> - Rich..., 805.386.3734; /archives//html/Amps/2000-01/msg00569.html (12,530 bytes)

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