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1. [AMPS] filament trips (score: 1): Author: Peter.Chadwick@gpsemi.com (Peter Chadwick); Date: Wed, 25 Jun 1997 14:54:00 +0100; Rich, AG6K, You recommend a fil undervoltage trip based on a 723. Can you expand on this? Is the 723 (which is a regulator) providing a reference source for a comparator, with the filament volts rect; /archives//html/Amps/1997-06/msg00351.html (6,804 bytes)
2. [AMPS] filament trips (score: 1): Author: measures@vc.net (Rich Measures); Date: Wed, 25 Jun 97 10:14:11 -0700; - The 723 is a 7.1v reference plus a comparitor, Peter. By rectifying and filtering the AC heater V, feeding the resultant DC to a potentiometer whose output connects to an input of the 723, the out; /archives//html/Amps/1997-06/msg00352.html (8,178 bytes)

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