A full wave rectifier circuit is fed from a transformer having a center-tapped secondary winding. The rms voltage from either end of secondary to center tap is 30V. If the diode forward resistance is ...
Helium-filled half-wave rectifier. A 4-pin base with brass shell and ceramic insulator. Tipped S-shaped envelope. Maker's stamping on base reads: "Raytheon / Type B Patented / June 27, 1922 July 7, ...
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