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1. [Amps] 8877 - To Choke or not to Choke? (score: 1): Author: w9ac@arrl.net (Paul Christensen); Date: Mon, 7 Oct 2002 21:49:33 -0400; As I've been sorting through my 8877 filamant issue, I have noted that some GG 8877 designs tie the filamant and cathode together while other designs do not. The designs that keep the cathode isolate; /archives//html/Amps/2002-10/msg00064.html (7,998 bytes)
2. [Amps] 8877 - To Choke or not to Choke? (score: 1): Author: 2@vc.net (Rich); Date: Tue, 8 Oct 2002 15:38:53 -0700; When one side of the heater is grounded, and an inadvertent hv+ arc to gnd temporarily raises the cathode to several kv negative, such will cause a heater/cathode arc that can burn open the heater a; /archives//html/Amps/2002-10/msg00068.html (7,479 bytes)

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