Antique Radio Dc Filament Supply Circuit Diagram
Wednesday, August 14, 2013
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This dc supply is great for operating battery-powered antique radios, because it is designed to prevent harming the tube filaments. The circuit is useful for powering filaments of 00-A, 01-A, 112A, and 71A tubes, which require 5V at 250 mA.
Antique Radio Dc Filament Supply Circuit Diagram
