LC Delay line for feedforward amplifier

Details LC Delay line for feedforward amplifier LC Delay line for feedforward amplifier

1982-02-01

1984-09-18

Mullins, James B.

Amplifiers

Hum or noise or distortion bucking introduced into signal...

330151, 333139, 333140, H03F 126, H03H 732

Patent

active

044727259

ABSTRACT:
A tuneable lumped LC electronic delay line for delaying RF signals in a bandwidth of at least 100 MHz by a substantially constant amount throughout the band, the delay line including a plurality of deformable air coil inductors that are inductively coupled to one another, a plurality of capacitors connected between each inductor pair and electrical ground, and a reactive element connected at one end of the series of inductors and reactively coupled to electrical ground.

REFERENCES:
patent: 3046500 (1962-07-01), Dewitz
patent: 3820045 (1974-06-01), Igarashi
patent: 3886470 (1975-05-01), O'Neil et al.
Blumenkranz, "A Microprocessor Monitored Feed-Forward Super Trunk CATV Amplifier", C.C.T.A. Convention, Vancouver, British Columbia, May 1980.

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