Differential voltage to current converter having transistors...

Details Differential voltage to current converter having transistors... Differential voltage to current converter having transistors...

2005-09-20

2005-09-20

Pascal, Robert (Department: 2817)

Oscillators

Automatic frequency stabilization using a phase or frequency...

Particular frequency control means

C331S057000, C331S160000

Reexamination Certificate

active

06946918

ABSTRACT:
A voltage/current converting circuit has a differential circuit. The differential circuit has a first input terminal coupled to receive an input voltage signal, a second input terminal coupled to receive a reference voltage signal and an output terminal for outputting an electrical current in response to a comparison of the input voltage signal and the reference voltage signal. The differential circuit includes first and second transistors. The first transistor has a control terminal connected to the first input terminal and has a first dimension. The second transistor has a control terminal connected to the second input terminal and has a second dimension that is different from the first dimension.

REFERENCES:
patent: 5355333 (1994-10-01), Pascucci
patent: 5479091 (1995-12-01), Chloupek
patent: 6229403 (2001-05-01), Sekimoto
patent: 6710667 (2004-03-01), Nagano
patent: 2004/0041593 (2004-03-01), Lai

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