Driver circuits for switching transistors

Details Driver circuits for switching transistors Driver circuits for switching transistors

1994-10-21

1997-01-28

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

327404, 327427, H03B 100, H03K 17687

Patent

active

055981186

ABSTRACT:
A driver circuit (8) is arranged to switch a transistor (10) of a switched capacitor circuit, or transistors (62 and 64) of a differential switched capacitor circuit, between a first state, in which the transistor switch is closed whereby an input signal (VINP) is transferred to an output, and a second state, in which the transistor switch is open. The driver circuit includes a maximum and a minimum selection (12, 14) between the input signal and a reference voltage (VAG) , a voltage shift element (26), and switches (16, 18, 20, 22, 24), coupled to receive the input signal (VINP) and to the gate electrode of the transistor switch (10), which ensures that the gate-to-source voltage of the transistor switch (10), in the first and second states, is independent of the input signal (VINP).

REFERENCES:
patent: 3789244 (1974-01-01), Provanzano
patent: 4803462 (1989-02-01), Hester et al.
patent: 5157291 (1992-10-01), Shimoda
patent: 5412692 (1995-05-01), Uchida

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