Voltage/current converting circuit and PLL circuit including thi

Details Voltage/current converting circuit and PLL circuit including thi Voltage/current converting circuit and PLL circuit including thi

1997-07-11

2000-04-11

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Converting input voltage to output current or vice versa

327543, 327157, H02M 1100

Patent

active

060492376

ABSTRACT:
A voltage/current converting circuit whose gain is hard to be influenced by the fluctuation in process has a constant current source for generating a constant current; a shunt circuit for flowing the constant current generated by said constant current source to a first and second current paths, the first current path flowing a first current corresponding to an input voltage, and the second current path flowing a second current defined as a difference between the constant current and the first current; and an output circuit for taking out a current bearing a predetermined relationship with the first current.

REFERENCES:
patent: 5550495 (1996-08-01), Fotouhi
patent: 5687201 (1997-11-01), McClellan et al.
patent: 5710527 (1998-01-01), Yaguchi et al.
patent: 5740213 (1998-04-01), Dreyer

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