Negative impedance network

Details Negative impedance network Negative impedance network

1975-06-16

1976-10-12

Gensler, Paul L.

Wave transmission lines and networks

Attenuators

307324, 323 4, 330 22, 331115, H03H 512

Patent

active

039861520

ABSTRACT:
A negative impedance network includes a pair of network terminals, with one terminal connected to the base of an emitter-follower transistor. A current mirror includes one current path connected to supply a first current to a fixed impedance means through the collector-emitter circuit of the transistor and a second current path supplying a second current to the one network terminal in fixed ratio to the first current, such that an effective negative impedance is presented in parallel to an external circuit connected across the network terminals.

REFERENCES:
patent: 3693105 (1972-09-01), Kleinberg
patent: 3878471 (1975-04-01), Ahmed

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