H - Electricity – 03 – F
Patent
H - Electricity
03
F
330/15
H03F 3/26 (2006.01) H03F 1/32 (2006.01) H03F 3/30 (2006.01)
Patent
CA 1138053
1 PHN 9266 ABSTRACT: Push-pull amplifier. A push-pull amplifier, having a first and a second transistor of the same conductivity type, whose collector-emitter paths are included in series between two power-supply terminals, the emitter electrode of the first transistor being connected to the collector electrode of the second transistor and to an output terminal, and the base electrode of the first transis- tor being connected to an input terminal, is improved in respect of its linearity, temperature dependence and bandwidth by measuring the base-emitter voltage of the first transistor with the aid of a series connection of a semiconductor junctionn and a resistor and by apply- ing said voltage with opposite a.c. component to the base- emitter junction of the second transistor via a coupling circuit.
338399
N.v. Philips Gloeilampenfabrieken
Van Steinburg C.e.
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