Amplifier circuit arrangement for aperiodic signals

Details Amplifier circuit arrangement for aperiodic signals Amplifier circuit arrangement for aperiodic signals

1979-01-30

1981-07-07

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330301, 330310, H03F 345

Patent

active

042777569

ABSTRACT:
Amplifier for aperiodic signals with a base-coupled and an emitter-coupled differential amplification stage in which the emitters and the bases of the two differential amplification stages respectively form an input of which one can be charged with a signal and the respectively other one is capacitively grounded; a third input lies at the directly coupled emitters of the emitter-coupled differential amplification stage; the collectors of both differential amplification stages are cross-coupled; the bases of the base-coupled differential amplification stage is connected to supply potential with a series resistor; static dc currents are fed into the inputs so that a current of the same magnitude flows over the inputs at the bases and emitters of the differential amplification stages and a current of double magnitude flows over the third input.

REFERENCES:
patent: 3689752 (1972-09-01), Gilbert
patent: 3760194 (1973-09-01), Lutz et al.
patent: 4048577 (1977-09-01), Shinn
patent: 4146844 (1979-03-01), Quinn

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