Differential amplifier

Details Differential amplifier Differential amplifier

1977-02-11

1978-03-07

Dahl, Lawrence J.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330257, 330260, 330300, 330307, H03F 316, H03F 345

Patent

active

040782069

ABSTRACT:
Source-coupled first and second FET's arranged to receive input signal potential between their gate electrodes have their respective drain electrodes coupled to the base electrodes of first and second bipolar transistors. The collector electrode of the first and second bipolar transistors are connected to the source electrodes of the first and second FET's, respectively. The emitter electrodes of the first and second bipolar transistors supply balanced output signal currents.

REFERENCES:
patent: 3760288 (1973-09-01), Leonard
patent: 3914683 (1975-12-01), Van de Plassche
Waddington - "Sensitive FET Voltmeter"--Wireless World, pp. 99-101, May, 1968.

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