Amplitude-limiter

Details Amplitude-limiter Amplitude-limiter

1975-05-22

1977-02-15

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307235K, 307237, 328175, H03K 508, H03B 302

Patent

active

040084400

ABSTRACT:
An amplitude limiter, in which an input AC signal is applied to a first input of a differential amplifier and the output of the differential amplifier is positively fed back to a second input of the differential amplifier, so that an amplitude-limited output signal is derived from an output circuit coupled to the output terminal of the differential amplifier. A first diode is inserted in a line commonly connected to the feedback circuit and the output circuit of the differential amplifier to produce a positive periodic wave which is half-wave rectified from said input AC signal. A bias voltage set circuit is connected to the second input terminal of the differential amplifier to apply thereto a negative bias voltage to determine the negative limited level of the output of the differential amplifier. A second diode may be provided in the bias voltage set circuit in the direction of the bias current. The first rectifier element and the second rectifier element may have substantially the same temperature characteristics.

REFERENCES:
patent: 3666970 (1972-05-01), Abbott et al.
patent: 3743950 (1973-07-01), Sellari, Jr. et al.

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