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181. [Amps] Mica capacitors - friend or foe? (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Sat, 25 May 2002 02:38:29 -0700; Yes, V consideration is why the allowable current flow decreases at low freqs. Cheers, Mark. - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measures. end; /archives//html/Amps/2002-05/msg00424.html (10,492 bytes)
182. [Amps] re: HEC phone number area code change (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Sat, 25 May 2002 10:54:18 -0700; Thanks, Skipp ... - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measures. end; /archives//html/Amps/2002-05/msg00429.html (7,022 bytes)
183. [Amps] Mica capacitors - Round 2 (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Sat, 25 May 2002 10:59:06 -0700; voodoo Amen to that. It means when you ignore the current rating, the capacitor can destruct. I ignored current ratings with the tetrode with handles amp. I experienced 6 padding capacitor fires and; /archives//html/Amps/2002-05/msg00430.html (11,715 bytes)
184. [Amps] High Voltage Mica Cap's (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Sun, 26 May 2002 16:46:04 -0700; Murata -- Japan - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measures. end; /archives//html/Amps/2002-05/msg00445.html (6,454 bytes)
185. [Amps] 50K@ 15W resistors Needed (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Mon, 27 May 2002 12:23:38 -0700; Matsushita Electric makes a 100k/3w spiral film resistor that is rated at 500v / 70ºC. We have sold c. 6000 of them and so far there has been no reported failures. Typical tolerance is +/- 0.2%; /archives//html/Amps/2002-05/msg00450.html (6,747 bytes)
186. [Amps] sprague doorknob cap (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Wed, 29 May 2002 04:57:01 -0700; ? I have never seen current rarings on these, but they seem to work ok as DC blockers. I used a similar Sprague cap as the DC blocker in an 8170 amp using c. 9.2kVDC, no-load. http://WWW.VCNET.COM/m; /archives//html/Amps/2002-05/msg00454.html (6,809 bytes)
187. [Amps] Transformer oil? (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Wed, 29 May 2002 17:13:01 -0700; If the oil has an odor similar to moth balls, it probably contains pcb. If there are no leaks, add non-pcb cooling oil. If there's a leak and you want to get rid of the remaining pcb, pour it in a s; /archives//html/Amps/2002-05/msg00466.html (9,180 bytes)
188. [Amps] Re: [Amps} Transformer oil? (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Fri, 31 May 2002 05:32:53 -0700; Amen to that, Ian. People who worked at the plant that made G.E.'s "Pyranol" caps suffered no health problems from working with PCB. The problems came about because PCB spillage was washed into a dr; /archives//html/Amps/2002-05/msg00480.html (8,082 bytes)
189. [Amps] Re: [Amps] Bird=c6 43 Manual (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Sun, 31 Mar 2002 23:12:38 -0800; ? Mr. Raush: The Bird® slug has an Inductive pickup. How is the voltage on the transmission line sampled if the slug does not contact the center conductor of the transmission line ? - Thank you.; /archives//html/Amps/2002-04/msg00003.html (7,108 bytes)
190. [Amps] Inductance Question (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Mon, 1 Apr 2002 00:40:25 -0800; Any guess how much Inductance is in a 2-inch wide x 6-inch long copper strap ? - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measures. end; /archives//html/Amps/2002-04/msg00004.html (6,739 bytes)
191. [Amps] IMD vs. Vcc (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Mon, 1 Apr 2002 07:17:52 -0800; ? I have an old copy of 97, but paragraph D defines excessive splatter as that which is outside the amateur radio band in use. If an AM signal can legally be 12kHZ wide, so can a SSB, DSB or an FM s; /archives//html/Amps/2002-04/msg00007.html (7,828 bytes)
192. [Amps] IMD vs. Vcc (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Mon, 1 Apr 2002 07:17:53 -0800; Agreed. However, I know a 79-yr old guy in North Hollywood who does it deliberately in the 40m "Combat Zone" (7250 - 7260). He has an ALC cutoff switch. When a good friend (groupie) is on an adjacen; /archives//html/Amps/2002-04/msg00008.html (8,784 bytes)
193. [Amps] IMD vs. Vcc (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Mon, 1 Apr 2002 15:07:32 -0800; Thanks, Terry. I can find nothing definitive in the Part 97 rules since the bandwidth of a "communications quality A3E emission" is not defined. - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K,; /archives//html/Amps/2002-04/msg00027.html (10,339 bytes)
194. [Amps] IMD vs. Vcc (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Mon, 1 Apr 2002 15:34:48 -0800; ? The fly in the ointment. Congrats, Terry. - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measures. end; /archives//html/Amps/2002-04/msg00031.html (8,324 bytes)
195. [Amps] rotten splatter/ IMD vs. Vcc (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Mon, 1 Apr 2002 15:34:50 -0800; ? The cleanest SSB Ham transceiver that I ever measured was 38db down. [TS-830]; /archives//html/Amps/2002-04/msg00032.html (9,120 bytes)
196. [Amps] Emission Standards Regarding SSB & AM Bandwidth (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Mon, 1 Apr 2002 15:34:46 -0800; ? Every SSB signal splatters somewhat - the question is how many db down @ +/- 4kHZ. 40 db is excellent. 30db is tolerable. 97.307 would not hold water in Fed. court. ? chortle - R. L. Measures, a.k; /archives//html/Amps/2002-04/msg00033.html (8,229 bytes)
197. [Amps] rotten splatter/ IMD vs. Vcc (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Mon, 1 Apr 2002 15:35:20 -0800; ? The best way to avoid ALC overshoot is to set the mic. gain for minimal ALC indication. - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measures. end; /archives//html/Amps/2002-04/msg00034.html (8,218 bytes)
198. [Amps] Re: IMD (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Mon, 1 Apr 2002 20:16:39 -0800; ? The IMD produced by a human voice can not be approximated accurately with a 2-tone test, so it must be measured with a human voice. Here's how I measure it. With VFO-A and c. 40 db attenuation, no; /archives//html/Amps/2002-04/msg00045.html (7,454 bytes)
199. [Amps] Part 97 (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Mon, 1 Apr 2002 20:16:40 -0800; ? Name a transceiver that has a 40db down total IM distortion level. - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measures. end; /archives//html/Amps/2002-04/msg00046.html (7,689 bytes)
200. [Amps] rotten splatter/ IMD vs. Vcc (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Mon, 1 Apr 2002 20:16:42 -0800; ? Not bad. What issue of QST ? tnx, John - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measures. end; /archives//html/Amps/2002-04/msg00047.html (7,792 bytes)

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