A 4-pin plastic base with top contact, ceramic insulator, S-shaped envelope. Donor’s card reads: “Half-wave mercury rectifier made by the Western Electric Company about 1935. Filament: 2.5 volts at ...
A 4-pin plastic base with top cap, domed envelope. Stamped on base: “CBS / Made in U.S.A.” Donor’s card reads: “Half-wave mercury vapor rectifier made by CBS-Hytron. Used in the power supply of radio ...
Schemes of two-half-period rectifiers on op amps with switching inputs in accordance with the polarity of the input voltage are given. The switching of inputs is performed by a control signal taken ...
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