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Total 12 documents matching your query.

1. [AMPS] Shorted Pi-Network Turns (score: 1): Author: k7fm@teleport.com (Lamb); Date: Sun, 10 Sep 2000 08:28:36 -0700; If you examine numerous commercial linear amplifier schematics, you will find that many use a progressive shorting pi-network switch. An equal number use a non-shorting pi-network switch. I begn rese; /archives//html/Amps/2000-09/msg00391.html (9,507 bytes)
2. [AMPS] Shorted Pi-Network Turns (score: 1): Author: 2@vc.net (measures); Date: Sun, 10 Sep 2000 09:36:49 -0700; I Agree. The safest way to remove L is to short it out. Amen I do not believe that this problem exists in the Heath SB-220. Perhaps the reason why is that the two sections of L in the tank are not e; /archives//html/Amps/2000-09/msg00394.html (9,690 bytes)
3. [AMPS] Shorted Pi-Network Turns (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sun, 10 Sep 2000 13:39:04 -0400; Only in cases where mutual coupling between turns is nearly unity, very high, and/or there is considerable dissipative losses in the system somewhere. This is not normally a problem with any air wou; /archives//html/Amps/2000-09/msg00400.html (9,788 bytes)
4. [AMPS] Shorted Pi-Network Turns (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sun, 10 Sep 2000 13:19:16 -0500; The more bands covered, the greater the risk of the "Tesla effect." I have mentioned my experiences in past posts. Basically, when a 160 meter coil and/or WARC band taps are added, fireworks can sta; /archives//html/Amps/2000-09/msg00404.html (10,095 bytes)
5. [AMPS] Shorted Pi-Network Turns (score: 1): Author: 2@vc.net (measures); Date: Sun, 10 Sep 2000 11:41:02 -0700; good point. 73 Magazine has no technical editor. - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrativ; /archives//html/Amps/2000-09/msg00405.html (9,048 bytes)
6. [AMPS] Shorted Pi-Network Turns (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sun, 10 Sep 2000 14:56:24 -0400; The SB1000 had about 50 times the switch failures (as determined by parts shipped to customers) of the nearly identical AL80A. The reasons were: 1.) A looser spec on the transformer no-load to full-; /archives//html/Amps/2000-09/msg00408.html (8,944 bytes)
7. [AMPS] Shorted Pi-Network Turns (score: 1): Author: 2@vc.net (measures); Date: Sun, 10 Sep 2000 12:43:50 -0700; 3000v corona. Give us a break. . I have spoken with a number of owners who were experiencing intermittent arcing with the anti-corona washer installed. Arcing reportedly stopped when the VHF Q of th; /archives//html/Amps/2000-09/msg00411.html (9,108 bytes)
8. [AMPS] Shorted Pi-Network Turns (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sun, 10 Sep 2000 16:23:50 -0500; Not true in all cases. The last SB-1000 I built had specific instructions in the manual on installing the washer. The band switch crispy-crittered anyway. 5.) Improper component selection in the pad; /archives//html/Amps/2000-09/msg00414.html (8,563 bytes)
9. [AMPS] Shorted Pi-Network Turns (score: 1): Author: 2@vc.net (measures); Date: Sun, 10 Sep 2000 17:00:39 -0700; ? I have heard the same thing from owners who replaced a bandswitch with an AL-80 bandswitch. [chortle] Did you notice if Mr. Rauch answered my question about who designed the AL-80 when Dennis Had; /archives//html/Amps/2000-09/msg00419.html (8,844 bytes)
10. [AMPS] Shorted Pi-Network Turns (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sun, 10 Sep 2000 20:17:22 -0400; I missed that one Phil, can you go over it again please? Why do you think the padder caps (I assume in the output) caused a problem? 73, Tom W8JI w8ji@contesting.com -- FAQ on WWW: http://www.contes; /archives//html/Amps/2000-09/msg00423.html (7,945 bytes)
11. [AMPS] Shorted Pi-Network Turns (score: 1): Author: k7fm@teleport.com (Lamb); Date: Sun, 10 Sep 2000 17:58:56 -0700; Tom's question was: Losses and circulating currents don't cause non-linearity or distortion. More than likely he was seeing normal measurement scatter. How much change did he measure, and what was th; /archives//html/Amps/2000-09/msg00424.html (11,232 bytes)
12. [AMPS] Shorted Pi-Network Turns (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Mon, 11 Sep 2000 11:08:59 -0500; I have seen this scheme and variations of it over the years in several amps. The 3CX3000A7 has a very high anode C, exacerbated by using the older style sockets and/or metal chimneys. The Creative E; /archives//html/Amps/2000-09/msg00467.html (9,654 bytes)

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