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Total 3 documents matching your query.

1. [Amps] A question about grid bias in G3SEK's control board (score: 1)
Author: "Hsu" <hsu4qro@gmail.com>
Date: Sat, 19 Apr 2014 13:27:32 +0800
Good morning and evening! Here is grid bias power supply in G3SEK's control board I do not understand how it works. I think it is not a regulated power supply. If it work, should be modify as red lin
/archives//html/Amps/2014-04/msg00174.html (7,283 bytes)

2. Re: [Amps] A question about grid bias in G3SEK's control board (score: 1)
Author: "Ian White" <gm3sek@ifwtech.co.uk>
Date: Sat, 19 Apr 2014 13:50:56 +0100
power There is no need for active grid-bias regulation because the circuit is designed for class AB1 operation. This means that the grid current is always zero (or very close) so the grid bias suppl
/archives//html/Amps/2014-04/msg00176.html (8,617 bytes)

3. Re: [Amps] A question about grid bias in G3SEK's control board (score: 1)
Author: Hsu via Amps <amps@contesting.com>
Date: Sat, 19 Apr 2014 21:18:58 +0800
Thanks. Most of amplifier only use one transformer, the secondary's Voltage can dip about 15- 20% when full load. If it did not regulated,the bias Voltage will chage. I think the ruglated power suppl
/archives//html/Amps/2014-04/msg00177.html (10,305 bytes)


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