On-chip source follower amplifier

Details On-chip source follower amplifier On-chip source follower amplifier

1998-08-31

2000-02-08

Mottola, Steven J.

Amplifiers

With semiconductor amplifying device

Including field effect transistor

330307, H03F 316

Patent

active

060231955

ABSTRACT:
In an on-chip source follower amplifier having at least one amplification circuit formed on a semiconductor substrate of a first conductivity type, the amplification circuit includes a driver transistor, a peripheral device, a first capacitance, and a high resistance. The driver transistor is formed in a first conductive region of a second conductivity type on the semiconductor substrate. The peripheral device is formed in a second conductive region of the second conductivity type on the semiconductor substrate. The second conductive region is isolated from the first conductive region. The first capacitance couples the first conductive region to a source of the driver transistor. The high resistance is connected between the first conductive region and a DC power supply.

REFERENCES:
patent: 5192920 (1993-03-01), Nelson et al.
patent: 5399989 (1995-03-01), Chern
patent: 5654673 (1997-08-01), Shinohara

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