Mail Archive Search: <+from:jstrohm@texas.net>

Results:

References: [ +from:jstrohm@texas.net: 108 ]

Total 108 documents matching your query.

21. [Amps] SV572 vs 811A (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Tue, 30 Apr 2002 09:51:26 -0500; Is that an ISO9000 banana or a QS9000 banana? N6OTQ; /archives//html/Amps/2002-04/msg00599.html (7,402 bytes)
22. [Amps] ALS600 Circuit Diagram (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Tue, 30 Apr 2002 18:16:39 -0500; Peter COOK John <peterc@starhub.com.sg> asks Tom? Telephone! It's for you!! N6OTQ; /archives//html/Amps/2002-04/msg00611.html (6,489 bytes)
23. [Amps] ?: Ceramic Switch (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Sat, 2 Mar 2002 11:19:42 -0600; Radio WC6W <wc6w@juno.com> sez The "FSN" designator is now "NSN" and there are a couple NSN databases on the web you can access for free if you REEEEAALLY search. The 5930 designates this component a; /archives//html/Amps/2002-03/msg00018.html (7,973 bytes)
24. [Amps] Fans for 4cx1000/1500 question (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Mon, 4 Mar 2002 15:57:04 -0600; Paul Erickson <paule@sfu.ca> asks Eimac provides figures for required backpressure on its external anode tubes. A simple method for measuring backpressure is provided in the ARRL handbooks and in Eim; /archives//html/Amps/2002-03/msg00053.html (9,302 bytes)
25. [Amps] Blowers (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Tue, 5 Mar 2002 08:38:44 -0600; "Frank Ayers" <w2fca@qsl.net> asks Once you stall the blower, there's no airflow to cool the motor, and it will overheat relatively quickly. If you plot the product of air flow and backpressure you s; /archives//html/Amps/2002-03/msg00082.html (7,832 bytes)
26. [Amps] Blowers (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Tue, 5 Mar 2002 10:30:11 -0600; Richard <2@mail.vcnet.com> says -- I said >>Once you stall the blower, there's no airflow to cool the motor, and it Yes. With no place for the "cooled" air to go, it stays at the motor. With a no-loa; /archives//html/Amps/2002-03/msg00095.html (9,045 bytes)
27. [Amps] 7094 Tube (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Tue, 5 Mar 2002 10:19:23 -0600; Bill Smith <ko4nrbs@yahoo.com> asks -- Those are "sell to the audiophiles" tubes. If you have an HT-41 that works, consider selling it to a collector or parking it on your own collector's shelf. You; /archives//html/Amps/2002-03/msg00096.html (6,927 bytes)
28. [Amps] al-1200 (or other) question (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Thu, 7 Mar 2002 15:34:10 -0600; "Steve Litwins" <litwins@badsector.com> asks-- What's your input power? QST had a couple of articles about a Class E amp using switching FETs that was a perfect match for 30 m. The cool thing is -- i; /archives//html/Amps/2002-03/msg00140.html (8,105 bytes)
29. [Amps] 10 Meters (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Tue, 12 Mar 2002 20:56:55 -0600; How about "Foxtrot"?; /archives//html/Amps/2002-03/msg00273.html (8,678 bytes)
30. [Amps] re:(amps 10 meters) (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Thu, 14 Mar 2002 10:20:54 -0600; It's nominally 42 volts (13.8 x 3). The auto companies have been talking aboiut this for several years now, but the most recent estimate I saw was somewhere around 2010. Part of the problem is that; /archives//html/Amps/2002-03/msg00312.html (7,785 bytes)
31. [Amps] 10 Meters (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Thu, 14 Mar 2002 10:34:14 -0600; Uhh, you mean "legal" kW mobile? The freebanders in the US typically run as much power as they can load on their pickup trucks without breaking the axles. A mobile 50 kW is not unheard of. At 12 V, t; /archives//html/Amps/2002-03/msg00313.html (9,039 bytes)
32. [Amps] 10 Meters (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Thu, 14 Mar 2002 14:05:21 -0600; Richard <2@mail.vcnet.com> sez -- Of course, if you own a Winnebago, it probably has a 5 kW or bigger generator built right in!; /archives//html/Amps/2002-03/msg00325.html (8,112 bytes)
33. [Amps] re:(amps 10 meters) (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Thu, 14 Mar 2002 18:47:46 -0600; Jon Ogden <na9d-2@speakeasy.net> Actually, it's not that far off-topic. On the issue of efficiency -- compare a 1930-vintage plate-modulated AM kilowatt-class transmitter to a modern solid-state kilo; /archives//html/Amps/2002-03/msg00334.html (12,638 bytes)
34. [Amps] Useful Parts, conclusion. (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Tue, 19 Mar 2002 12:40:42 -0600; Try http://www.vaxxine.com/phil/downloads.htm; /archives//html/Amps/2002-03/msg00426.html (6,772 bytes)
35. [Amps] Tuned Input ? (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Tue, 19 Mar 2002 19:01:02 -0600; w3nr@vol.com asks Depends. SM are usually more forgiving of RF and power and more stable in value than ceramics. Having said that -- NP0 ceramics change value less from heating than SM. So your answe; /archives//html/Amps/2002-03/msg00431.html (7,722 bytes)
36. [Amps] Tuned Input ? (score: 1): Author: jstrohm@texas.net (jstrohm@texas.net); Date: Tue, 19 Mar 2002 22:51:20 -0500; Richard 2@mail.vcnet.com said -- ? Silver-micas or NPØ disc ceramics are ok. Nebraska is one source if you like to pay more than list price. Fair Radio Sales is worth a try. -- Or ask about wh; /archives//html/Amps/2002-03/msg00434.html (7,386 bytes)
37. [Amps] Large Bandswitches (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Sat, 23 Mar 2002 10:23:10 -0600; Richard <2@mail.vcnet.com> said -- You just want to tease us all and make us drool on our keyboards! Seriously -- thanks for sharing this useful nugget of technical lore with us. I've filed it away f; /archives//html/Amps/2002-03/msg00536.html (7,104 bytes)
38. [Amps] Large Bandswitches (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Sat, 23 Mar 2002 15:28:47 -0600; Richard <2@mail.vcnet.com> said -- Yeah, I'm still plonking away on the four-pot 6076 / QBL5-3500 project! Can I borrow your chainsaw so I can harvest a plump pole pig? Jim N6OTQ; /archives//html/Amps/2002-03/msg00542.html (7,010 bytes)
39. [Amps] Things to do with CBs (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Tue, 26 Mar 2002 08:58:16 -0600; Poke around on this site a little ... http://www.rt66.com/~rifetech/Spectral.html Jim N6OTQ; /archives//html/Amps/2002-03/msg00595.html (6,928 bytes)
40. [Amps] Magenta Alert! (score: 1): Author: jstrohm@texas.net (Jim Strohm); Date: Wed, 27 Mar 2002 06:48:43 -0600; This WASN'T my patent, I swear! Jim Strohm N6OTQ; /archives//html/Amps/2002-03/msg00623.html (6,698 bytes)

Current List: 21 - 40
Page: [1] [2] [3] [4] [5] [6]