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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+SB\s+200\s+input\s+network\s+rework\?\s*$/: 4 ]

Total 4 documents matching your query.

1. [Amps] SB 200 input network rework? (score: 1): Author: paule@sfu.ca (paule@sfu.ca); Date: Sat, 01 Jun 2002 11:36:13 PDT; Has anyone reworked the input network to allow it to be more easily driven by a solid state transciever? I'm hoping to avoid reinventing the wheel, if possible? cheers, Paul - VA7NT ex VE7CQK - email; /archives//html/Amps/2002-06/msg00008.html (6,817 bytes)
2. [Amps] SB 200 input network rework? (score: 1): Author: dhb@attbi.com (Dave, AA6YQ); Date: Sat, 1 Jun 2002 16:02:52 -0400; I have an SB221 that was missing a 10m input network; I also wanted 12m and 17m input networks to better match a solid-state driver on those bands. To get the extra bandswitch positions, I replaced t; /archives//html/Amps/2002-06/msg00009.html (8,120 bytes)
3. [Amps] SB 200 input network rework? (score: 1): Author: dhb@attbi.com (Dave, AA6YQ); Date: Sat, 1 Jun 2002 16:50:59 -0400; Correction -- the 3-500Z amp project is described on page 13.29 of the 1996 ARRL Handbook. 73, Dave, AA6YQ I have an SB221 that was missing a 10m input network; I also wanted 12m and 17m input networ; /archives//html/Amps/2002-06/msg00010.html (8,723 bytes)
4. [Amps] SB 200 input network rework? (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Sat, 1 Jun 2002 16:31:14 -0700; The problem is too low of a Q. Decrease Xc (more pF) of the input cap to 18 - 25 ohms on each band, tune by reducing L and increasing the output C until swr of is under 1.2 to 1. - R. L. Measures, a; /archives//html/Amps/2002-06/msg00012.html (6,981 bytes)

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