Method and means for producing a D.C. signal proportional to the

Details Method and means for producing a D.C. signal proportional to the Method and means for producing a D.C. signal proportional to the

1984-11-14

1987-03-03

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328 32, 328158, 328 20, 307529, 307261, H03K 500, H03K 1700, H03B 1900

Patent

active

046478612

ABSTRACT:
Method and means are disclosed for producing a D.C. signal proportional to the peak amplitude of an A.C. signal, which peak amplitude is proportional to the frequency of the A.C. signal. A second A.C. signal is generated from the first signal, having a frequency higher than that of the first signal and the second signal is rectified to produce an analog signal. The increase in frequency permits the subsequent processing of the analog signal in a high-frequency filter having a lower time-constant than would be possible were the analog signal produced directly by rectifying the first A.C. signal.

REFERENCES:
patent: 3411066 (1968-11-01), Bravenec
patent: 3529258 (1970-09-01), Schulz
patent: 3944906 (1976-03-01), Hill et al.
patent: 4317052 (1982-02-01), Morris
patent: 4400630 (1983-08-01), Owen

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