Noise suppression in an I-F substitution loop

Details Noise suppression in an I-F substitution loop Noise suppression in an I-F substitution loop

1985-03-05

1987-07-21

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307546, 307556, 328138, 328167, 455 63, H03B 304, H04B 110

Patent

active

046820604

ABSTRACT:
In an I-F substitution loop having a summing junction for receiving both an I-F signal and a substitution signal, an amplification loop is connected in parallel with the substitution loop for amplifying and bandpass filtering the signal at the summing junction, and feeding back to the summing junction the processed summing junction signal, for reducing the phase noise at the summing junction.

REFERENCES:
patent: 3621407 (1971-11-01), Kerwin et al.
patent: 4189681 (1980-02-01), Lawson et al.
patent: 4219770 (1980-08-01), Weinert
patent: 4292468 (1981-09-01), Yokoyama
patent: 4328591 (1982-05-01), Baghdady

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