Network for simulating low temperature resistors

Details Network for simulating low temperature resistors Network for simulating low temperature resistors

1979-03-08

1980-11-04

Gensler, Paul L.

Wave transmission lines and networks

Negative resistance or reactance networks of the active type

307229, 307324, 333217, H03H 1152

Patent

active

042322804

ABSTRACT:
A class of two-terminal active networks which simulate low-noise temperature resistors is disclosed. A single field effect transistor or other suitable amplifier comprises the active element of the network. A dual transformer feedback arrangement or a single transformer feedback arrangement comprises the remainder of the circuit. Either positive or negative simulated resistors can be obtained with a wide range of equivalent resistance values and effective noise temperatures.

REFERENCES:
patent: 2864062 (1958-12-01), Schaffner
patent: 3828281 (1974-08-01), Chambers, Jr.
patent: 3899693 (1975-08-01), Gaudreault
patent: 4041407 (1977-08-01), Main
patent: 4156859 (1979-05-01), Forward et al.

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