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Total 8 documents matching your query.

1. [Amps] SHV Connectors and B- (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Wed, 12 Mar 2014 18:53:23 -0400; At the risk of starting a raging philosophical war, I am looking for opinions on how to best manage wiring between an outboard HV supply and an RF amp deck. Here's the project: An old Alpha 77D is be; /archives//html/Amps/2014-03/msg00061.html (8,943 bytes)
2. Re: [Amps] SHV Connectors and B- (score: 1): Author: MU 4CX250B <4cx250b@miamioh.edu>; Date: Wed, 12 Mar 2014 17:20:27 -0600; Paul, I don't believe there is any reason to treat a B- return as if it were a B+ lead. With your planned diode clamps, B- will always be within a few volts of chassis ground. Running a separate B- c; /archives//html/Amps/2014-03/msg00062.html (10,261 bytes)
3. Re: [Amps] SHV Connectors and B- (score: 1): Author: "Ian White" <gm3sek@ifwtech.co.uk>; Date: Thu, 13 Mar 2014 04:33:22 -0500; Exactly. Whoever recommended SHV connectors for the B-minus return of a normal amateur amplifier is showing a serious lack of understanding [1]. Also correct. That is the fatal flaw in using those bl; /archives//html/Amps/2014-03/msg00065.html (13,249 bytes)
4. Re: [Amps] SHV Connectors and B- (score: 1): Author: "Jim Garland" <4cx250b@miamioh.edu>; Date: Thu, 13 Mar 2014 06:06:12 -0600; Hi All, Handling the B- return is straightforward with triode amplifiers, such as Paul's converted Alpha 77D, but it can be a bit tricky with tetrode amplifiers, which typically have cathodes directl; /archives//html/Amps/2014-03/msg00066.html (10,610 bytes)
5. Re: [Amps] SHV Connectors and B- (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Thu, 13 Mar 2014 09:01:46 -0400; "Over the past several years I have been recommending 5-pin XLR connectors between the amplifier controller (assumed to be part of the RF deck) and a remote HV PSU. The aim is to keep the HV-minus, c; /archives//html/Amps/2014-03/msg00068.html (9,778 bytes)
6. Re: [Amps] SHV Connectors and B- (score: 1): Author: "Jim Garland" <4cx250b@miamioh.edu>; Date: Thu, 13 Mar 2014 08:51:57 -0600; Paul and the group, I don't care much for Cinch-Jones connectors for amplfier control, especially the type that cannot be locked into place. They're a very old design and newer, better, safer connect; /archives//html/Amps/2014-03/msg00069.html (14,016 bytes)
7. Re: [Amps] SHV Connectors and B- (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Thu, 13 Mar 2014 11:06:59 -0400; "A female chassis connector would be installed on the PS, and a recessed male chassis connector placed on the RF deck. With 8-pins, I can double-up on 240V and ground wiring." Just the opposite: 240V; /archives//html/Amps/2014-03/msg00070.html (9,437 bytes)
8. Re: [Amps] SHV Connectors and B- (score: 1): Author: Vic Rosenthal K2VCO <k2vco.vic@gmail.com>; Date: Thu, 13 Mar 2014 08:39:37 -0700; What I did in my tetrode amp was to put an 0.25 ohm 50 watt resistor in the power supply box between the negative output of the power supply and ground. This was clamped with 6A10s both in the power; /archives//html/Amps/2014-03/msg00072.html (12,879 bytes)

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