Single-pin amplifier in integrated circuit form

Details Single-pin amplifier in integrated circuit form Single-pin amplifier in integrated circuit form

1992-06-30

1993-06-22

Pascal, Robert J.

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330269, 330307, H03F 326

Patent

active

052219100

ABSTRACT:
A CMOS integrated circuit incorporating both logic functions and analog functions. The latter are subjected to noise from the logic transitions by means of supply conductors. To avoid disturbing the rest point of an amplifier by this supply noise, without using compensation circuits which would increase the number of pins of the integrated circuit, it is proposed to supply a pair of complementary transistors forming an amplifier stage by identical incoming and outgoing current generators. These generators are transistors copying a current from a current mirror circuit which includes a pair of complementary transistors connected between the two power supply lines.

REFERENCES:
patent: 3886464 (1975-05-01), Dingwall
patent: 4038607 (1977-07-01), Schade, Jr.
patent: 4045747 (1977-08-01), Hsu
patent: 4103188 (1978-07-01), Morton
patent: 4806804 (1989-02-01), O'Leary
patent: 4890016 (1989-12-01), Tanaka et al.
patent: 5061864 (1991-10-01), Rogers
patent: 5087841 (1992-02-01), Rogers
patent: 5148120 (1992-09-01), Kano et al.

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