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21. [AMPS] Bias for SB-220 (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Wed, 2 Jun 1999 15:44:05 -0400; Not much on SSB, unless you talk slow and clearly especially with a southern USA accent. A noticeable amount on CW, especially when in contests. Adding the bias system hurts nothing, and helps reduc; /archives//html/Amps/1999-06/msg00058.html (9,558 bytes)
22. [AMPS] Bias for SB-220 (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Wed, 2 Jun 1999 15:44:05 -0400; OK let's play number games. Sorry. 600 watts is not 3 dB more than 500 watts. Wrong answer, no prize. The common bias setting is generally where the quiescent dissipation is 50% of rated dissipation; /archives//html/Amps/1999-06/msg00059.html (12,417 bytes)
23. [AMPS] Bias for SB-220 (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Wed, 2 Jun 1999 15:44:05 -0400; Hi Rich, In your view, probably never. Just like getting those pesky cores hundreds of products use successfully on VHF to work above 10 MHz at your house. 73, Tom W8JI w8ji@contesting.com -- FAQ on; /archives//html/Amps/1999-06/msg00061.html (9,519 bytes)
24. [AMPS] Bias for SB-220 (score: 1): Author: Dick Green" <dick.green@valley.net (Dick Green); Date: Wed, 2 Jun 1999 16:03:59 -0400; ? Only for those who believe that way mo' ALC is way mo' betta Not so. I'm not an idiot, Rich. I always set the carrier control according to Kenwood recommendations -- meter deflection within the AL; /archives//html/Amps/1999-06/msg00063.html (10,731 bytes)
25. [AMPS] Bias for SB-220 (score: 1): Author: measures@vc.net (Rich Measures); Date: Wed, 2 Jun 1999 14:33:08 -0700; ? Surely, however, there are plenty of CBers who run Kenwood amateur radio transceivers with the pedal to the metal. // Kenwood's manuals are a also part of the problem. ? On my Kenwood , midway in; /archives//html/Amps/1999-06/msg00066.html (11,493 bytes)
26. [AMPS] Bias for SB-220 (score: 1): Author: measures@vc.net (Rich Measures); Date: Wed, 2 Jun 1999 14:33:10 -0700; ? Why can I pick them out on the air by listening up or down 4KHz? - cheers, Tom. Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.contesting.com/ampfaq.h; /archives//html/Amps/1999-06/msg00067.html (9,530 bytes)
27. [AMPS] Bias for SB-220 (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Thu, 3 Jun 1999 07:26:09 -0400; I have to agree with Dick here. My IC-706, no matter how it is adjusted, spikes. So did a 950SDX I owned for a week. The 775DSP I had drove my AL-1500 to 4 kW output on leading edges when I opened t; /archives//html/Amps/1999-06/msg00082.html (11,482 bytes)
28. [AMPS] Bias for SB-220 (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Thu, 3 Jun 1999 10:26:26 -0400; I dunno. Because you don't need reliable data or facts to reach conclusions? 73, Tom W8JI w8ji@contesting.com -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Adm; /archives//html/Amps/1999-06/msg00085.html (9,160 bytes)
29. [AMPS] Bias for SB-220 (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Thu, 3 Jun 1999 10:26:26 -0400; The actual pulse lasts less than one mS, eyes can't follow and nonstorage scopes won't display random one mS pulses that occur right at the leading edge of envelope rise. If you used a FAST peak-sto; /archives//html/Amps/1999-06/msg00087.html (9,431 bytes)
30. [AMPS] Bias for SB-220 (score: 1): Author: measures@vc.net (Rich Measures); Date: Thu, 3 Jun 1999 09:07:04 -0700; ? I hear the characteristic spitting sound on the adjacent channels. I don't hear it from conventional bias sw. amps. The solution is for the designer to make the EBS synchronize with the RF relays.; /archives//html/Amps/1999-06/msg00094.html (9,804 bytes)
31. [AMPS] Bias for SB-220 (score: 1): Author: measures@vc.net (Rich Measures); Date: Thu, 3 Jun 1999 09:07:02 -0700; ? Oscilloscopes that use a vertical def. delay line can. ? With an oscilloscope that uses a std.-persistence phosphor CRT, one has around 500mS of persistence to see how high the spike went. My HP o; /archives//html/Amps/1999-06/msg00095.html (10,297 bytes)
32. [AMPS] Bias for SB-220 (score: 1): Author: Dick Green" <dick.green@valley.net (Dick Green); Date: Thu, 3 Jun 1999 12:53:10 -0400; ? How many peak volts on your 'scope? With "normal" ALC indication, my TS-440S overshoots to about 120v-p. into 50-ohms. . I didn't measure it on my scope because I thought I needed a fast peak-readi; /archives//html/Amps/1999-06/msg00097.html (10,954 bytes)
33. [AMPS] Bias for SB-220 (score: 1): Author: measures@vc.net (Rich Measures); Date: Fri, 4 Jun 1999 03:23:21 -0700; ? indeed. ? A DC T/R signal is available at the accessory jack in every modern transceiver. The signal typically appears 5 to 10 mS before RF output appears. The signal is typically +6v to +12v @ c.; /archives//html/Amps/1999-06/msg00108.html (10,855 bytes)
34. [AMPS] Bias for SB-220 (score: 1): Author: measures@vc.net (Rich Measures); Date: Fri, 4 Jun 1999 03:23:17 -0700; ? A triggered scope with a vert.-deflection delay line will see the leading edge. ? I did. Running it in the ALC ok zone makes for a fast rise time. ? I set my VOX fast to enough to drop at commas a; /archives//html/Amps/1999-06/msg00109.html (11,328 bytes)
35. [AMPS] Bias for SB-220 (score: 1): Author: jono@enteract.com (Jon Ogden); Date: Fri, 4 Jun 1999 07:27:27 -0500; I guess Rich and I will never be in a QSO of more than hello and goodbye! I HATE VOX most of the time! 73, Jon KE9NA ps: When in a ragechew, my mic button normally is in the "locked" position! -- Jo; /archives//html/Amps/1999-06/msg00110.html (9,301 bytes)
36. [AMPS] Bias for SB-220 (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Fri, 4 Jun 1999 13:29:32 +0100; Do you really mean 'ragechew'? Is this an on-air version of road rage, found on 14313 or 75 meter fone? For people you disagree with? 73 Peter G3RZP -- FAQ on WWW: http://www.contesting.com/ampfaq.ht; /archives//html/Amps/1999-06/msg00112.html (9,036 bytes)
37. [AMPS] Bias for SB-220 (score: 1): Author: measures@vc.net (Rich Measures); Date: Fri, 4 Jun 1999 06:14:29 -0700; ? If you hold the hammer down after you say hello, there will assuredly be no goodbye from yours truly. ? You run VOX every time you talk on the telephone, Jon. As I recall, we conversed on the tele; /archives//html/Amps/1999-06/msg00113.html (9,318 bytes)
38. [AMPS] Bias for SB-220 (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Fri, 4 Jun 1999 09:29:24 -0400; Bunk. The claims that all kinds of splatter is produced are nonsense, mostly based on not understanding the effects of IMD. In the first place, even if the circuit is done incorrectly, it is the high; /archives//html/Amps/1999-06/msg00115.html (11,979 bytes)
39. [AMPS] Bias for SB-220 (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Fri, 4 Jun 1999 09:29:24 -0400; Nonsense. The time interval of the pulse is well under 1 mS. The scope would have to be triggered from the source well ahead of the envelope rise, in order for the trace to move off the starting poin; /archives//html/Amps/1999-06/msg00116.html (10,145 bytes)
40. [AMPS] Bias for SB-220 (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Fri, 4 Jun 1999 09:29:24 -0400; Actually it is the parasitic arcing that is rare or next to nonexistent. Most tank circuit failures are cause by too much voltage at the operating frequency. Exciter transients are one of the major c; /archives//html/Amps/1999-06/msg00117.html (9,449 bytes)

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