Ultra fast shift register using resonant tunnel diodes

Details Ultra fast shift register using resonant tunnel diodes Ultra fast shift register using resonant tunnel diodes

1997-08-26

1999-07-27

Wambach, Margaret R.

Electrical pulse counters, pulse dividers, or shift registers: c

Shift register

Particular transfer means

377 78, 377 79, 377128, 326134, 327498, 327499, 327568, 327570, G11C 1900

Patent

active

059303239

ABSTRACT:
A high speed digital static shift register includes a series-connected pair of resonant tunneling diodes (RTDs) 22, 24 to achieve a bistable operating state. A clocked switch 20 provides the means of setting the binary state of this bistable pair. In order for one bistable pair to drive a following pair, a method of providing isolation and gain using a buffer amplifier 26 between the two pairs of RTDs is also provided. In one embodiment, the buffer amplifier comprises enhancement FET 30 and depletion load FET 28.

REFERENCES:
patent: 5444751 (1995-08-01), Sage

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