Current mirror with low static current and transconductance...

Details Current mirror with low static current and transconductance... Current mirror with low static current and transconductance...

2007-06-05

2007-06-05

Pascal, Robert (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including current mirror amplifier

Reexamination Certificate

active

11075655

ABSTRACT:
A current mirror with a transconductance amplifier containing the current mirror with a low static current. The current mirror includes: a load with first end and a second end, the first end coupling to a first input current and a fixed voltage difference existing between the first and second ends; a first transistor, whose drain is coupled to the second end of the load, whose gate is coupled to the first end of the load, and whose source is coupled to a second input current; and a second transistor, whose drain is coupled to a third port and an output current, whose gate is coupled to the second end of the load, and whose source is coupled to the ground. The transconductance amplifier contains: a voltage amplifier stage, a transconductance stage, and a current amplifier stage for amplifying the current and containing the current mirror.

REFERENCES:
patent: 4727309 (1988-02-01), Vajdic et al.
patent: 5359296 (1994-10-01), Brooks et al.
patent: 5835994 (1998-11-01), Adams
patent: 5854574 (1998-12-01), Singer et al.
patent: 6531915 (2003-03-01), Behzad et al.
patent: 6617915 (2003-09-01), Rajan
patent: 6803808 (2004-10-01), Wu
patent: 6825710 (2004-11-01), Moyal

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