Amplitude limiter with automatic duty cycle control for use in a

Details Amplitude limiter with automatic duty cycle control for use in a Amplitude limiter with automatic duty cycle control for use in a

1979-04-27

1981-04-21

Grimm, Siegfried H.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Amplitude compensation

331 25, 307265, 307557, H03L 706, H03K 3017, H03K 508

Patent

active

042635659

ABSTRACT:
A limiter includes an amplifying stage with its operating point determined by a bias voltage developed across a capacitance associated with a charging path and a discharging path. With alternate disabling and enabling of one of the paths controlled by a switching device with a duty cycle reflective of the limiter output duty cycle, the average potential across the capacitance varies in accordance with changes in the duty cycle of the limiter output. The variation sense is selected such that the resultant alterations of the operating point oppose deviations of the duty cycle from a chosen norm (e.g., 50%).

REFERENCES:
patent: 3805167 (1974-04-01), Nash et al.
patent: 3883756 (1975-05-01), Dragon
patent: 3968384 (1976-07-01), Tracey et al.
patent: 4004235 (1977-01-01), Roberts
patent: 4008440 (1977-02-01), Mizukoshi

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