Sample and hold device with an MOS capacitor

Details Sample and hold device with an MOS capacitor Sample and hold device with an MOS capacitor

1984-10-12

1986-07-29

Larkins, William D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

357 236, 357 24, H01L 2978, H01L 2704, G11C 1928, G11C 2702

Patent

active

046032665

ABSTRACT:
This device comprises a MOS transistor of the tetrode type operating under triode conditions. The storage of charges corresponding to each input voltage sample is realised beneath the MOS capacitor, whose plate is the longer insulating gate of the MOS transistor. The various gates of the transistor are half-rings with an increasing surface area. The diode connected to the input voltage of the device is placed in the center of circles defining the rings. The diode connected to the voltage follower stage supplying the output voltage of the device is positioned on the periphery of the longer insulating gate.

REFERENCES:
patent: 3781574 (1973-12-01), White et al.
patent: 3935477 (1976-01-01), Strain et al.
patent: 3986198 (1976-10-01), Kosonocky
patent: 4067001 (1978-01-01), Hoffmann
patent: 4139782 (1979-02-01), Ablassmeier

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