Transistor amplifier stage with device in its temperature compe

Details Transistor amplifier stage with device in its temperature compe Transistor amplifier stage with device in its temperature compe

1972-09-15

1976-05-04

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307310, 330 19, 330 22, 330 23, H03K 104, H03F 3343

Patent

active

039551083

ABSTRACT:
A collector-loaded grounded-emitter transistor amplifier output stage employs a temperature-compensated bias network with an auxiliary transistor having its base electrode supplied quiescent current exclusively through a resistive element connecting the base and collector electrodes. A source of input signal is coupled to the base electrode of the auxiliary transistor by capacitative means and decoupled by resistive means from the collector electrode thereof. The temperature stabilizing auxiliary transistor accordingly provides a preliminary amplification of input signals for application to the base electrode of the output stage amplifier transistor, without use of additional active devices.

REFERENCES:
patent: 3102985 (1963-09-01), Hafner et al.
patent: 3369187 (1968-02-01), Csicsatka

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