Switching circuit and switched capacitor circuit including the s

Details Switching circuit and switched capacitor circuit including the s Switching circuit and switched capacitor circuit including the s

1996-05-28

1999-05-18

Ton, My-Trang Nu

Miscellaneous active electrical nonlinear devices, circuits, and

Specific input to output function

By integrating

327427, G06G7/18

Patent

active

059053976

ABSTRACT:
A MOS switching circuit (1) for providing constant signal-independent gate-to-source voltage at a switching transistor (2) of a differential switched capacitor circuit so that a signal-independent resistance is provided between its source and drain includes a first control transistor (5) coupled between the input (3) and the gate of the switching transistor (2). The gate of switching transistor (2) is also coupled to a first clock phase signal PHI1 and the gate of the first control transistor (5) is coupled to a second, non-overlapping clock phase signal PHI2. A second control transistor (6) is coupled between the input (3) and the second clock phase signal PHI2 and its gate is coupled to the first clock phase signal PHI1. Capacitors (7) and (8) are coupled between the transistors (2, 5 and 6) and the clock phase signals PHI1 and PHI2, respectively.

REFERENCES:
patent: 3708694 (1973-01-01), Evans
patent: 5126590 (1992-06-01), Chern
patent: 5170075 (1992-12-01), de Wit
patent: 5333093 (1994-07-01), Krautschneider et al.
patent: 5406151 (1995-04-01), Kusunoki
patent: 5408149 (1995-04-01), Aneha et al.
patent: 5432469 (1995-07-01), Tedrow et al.
patent: 5475332 (1995-12-01), Ishimoto
patent: 5489870 (1996-02-01), Arakawa
patent: 5554954 (1996-09-01), Takahashi

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