Waveform tracking clipper circuit

Details Waveform tracking clipper circuit Waveform tracking clipper circuit

1990-04-06

1992-09-22

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

73664, 307549, 307555, 307557, H03K 508

Patent

active

051500698

ABSTRACT:
A waveform tracking clipper circuit for limiting the instantaneous amplitude of a processed vibration test signal at the input to a shaker amplifier to the instantaneous amplitude of an unprocessed vibration test signal, the unprocessed vibration test signal having been processed to develop the processed vibration test signal. Included is clamper circuitry connected to the input of the amplifier. Numerous variations are disclosed, including the use of precision rectifiers and a variety of redundancy configurations to guard against the potentially-devastating consequences of a component failure or control misadjustment.

REFERENCES:
patent: 3311837 (1967-03-01), Moreines
patent: 3541459 (1970-11-01), Webb
patent: 3654804 (1972-04-01), Helmuth
patent: 3898573 (1975-08-01), Sherman
patent: 3916330 (1975-10-01), Weissman
patent: 4055842 (1977-10-01), Yakshin et al.
patent: 4344128 (1982-08-01), Frye
patent: 4479094 (1984-10-01), Harris
patent: 4577155 (1986-03-01), Kobayashi et al.
Murakami, Patent Abstracts of Japan, vol. 11, No. 390 (E-567) (2837), (Dec. 19, 1987).

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