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1. [Amps] 8877 heater inrush (score: 1): Author: Alan Ibbetson <alan@g3xaq.net>; Date: Sun, 24 Apr 2016 16:01:53 +0100; I am collecting parts together to build a rugged but low weight amplifier for solo DXpeditions. I have an 8877 tube that I want to use. A 5V switchmode PSU instead of a mains transformer for the heat; /archives//html/Amps/2016-04/msg00042.html (7,917 bytes)
2. Re: [Amps] 8877 heater inrush (score: 1): Author: Mark K5AM <k5am@zianet.com>; Date: Tue, 26 Apr 2016 18:01:13 +0000; Alan G3XAQ, wrote about heater power supplies. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - One way to control a heater power supply is shown at www.zianet.com/k5am/2mkw.pdf page; /archives//html/Amps/2016-04/msg00047.html (7,524 bytes)
3. Re: [Amps] 8877 heater inrush (score: 1): Author: "Jim Garland" <4cx250b@miamioh.edu>; Date: Tue, 26 Apr 2016 14:28:35 -0600; Alan, I wonder if you've considered using an inrush current limiter on either the primary or secondary side of your filament transformer? For the secondary side, the NTC B57127P0100M301 (Digi-key pp/; /archives//html/Amps/2016-04/msg00048.html (10,184 bytes)
4. Re: [Amps] 8877 heater inrush (score: 1): Author: Radio WC6W via Amps <amps@contesting.com>; Date: Wed, 27 Apr 2016 17:19:24 +0000 (UTC); Hi Alan, Here is my solution to that: http://qsl.net/wc6w/wc6wamps/index.html?fr63.html 73 & Good morning, Marv WC6W http://qsl.net/wc6w/ Subject: [Amps] 8877 heater inrush To: amps@contesting.com Da; /archives//html/Amps/2016-04/msg00051.html (9,286 bytes)

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