Analog signal extracting circuit

Details Analog signal extracting circuit Analog signal extracting circuit

1991-10-11

1993-02-23

Sikes, William L.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307362, 307363, 307494, 307585, 307496, 307497, 330253, H03K 5153, H03K 17687

Patent

active

051893185

ABSTRACT:
An analog signal extracting circuit includes a sampling gate for sampling an analog input voltage, a differential amplifier for receiving the output of the sampling gate, and a buffer for buffering the output of the differential amplifier. The differential amplifier has a p-channel MOS transistor serving as an input transistor. The sampling gate applies a voltage to a gate of the p-channel MOS transistor. The buffer has a source follower type n-channel MOS transistor. The differential amplifier applies its output to a gate of the n-channel MOS transistor.

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patent: 5030922 (1991-07-01), Rumreich et al.
patent: 5061862 (1991-10-01), Tamagawa

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