Input amplifier with unilateral current shutoff for input signal

Details Input amplifier with unilateral current shutoff for input signal Input amplifier with unilateral current shutoff for input signal

1998-04-03

2000-02-01

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 77, H03F 345

Patent

active

060207663

ABSTRACT:
The input amplifier with unilateral current shutoff for input signals with steep edges has a MOS transistor, the source or drain of which is connected to a node connected to an output stage. An N-channel MOS transistor, which is connected between the two P-channel MOS transistors of the input amplifier, prevents a shutoff of the P-channel MOS transistor by the steep edge input signals. The node is pulled upward to the operating voltage when the input signal is present.

REFERENCES:
patent: 4644196 (1987-02-01), Flannagan
patent: 4697112 (1987-09-01), Ohtani et al.
patent: 4808859 (1989-02-01), Even-or et al.
patent: 4845672 (1989-07-01), Watanabe et al.
patent: 5391940 (1995-02-01), Linn
patent: 5473567 (1995-12-01), McClure
patent: 5493244 (1996-02-01), Pathak et al.
patent: 5495195 (1996-02-01), Fontana et al.
patent: 5508643 (1996-04-01), Khieu
patent: 5789948 (1998-08-01), Kim et al.

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