Amplitude stabilized oscillator having positive and negative fee

Details Amplitude stabilized oscillator having positive and negative fee Amplitude stabilized oscillator having positive and negative fee

1987-09-03

1989-03-28

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

331117R, 331167, 331183, 332 55, H03L 500

Patent

active

048167797

ABSTRACT:
An oscillator circuit which includes a differential amplifier in combination with a negative feedback network and a positive feedback network connected to the amplifier. One of these networks determines the frequency of the generated oscillation. In order to obtain an oscillation of constant amplitude, the negative feedback network comprises a current limiter active as a controllable one-port network which is connected between the negative feedback input of the differential amplifier and a fixed potential.

REFERENCES:
patent: 3500246 (1970-03-01), Werner
patent: 3761741 (1973-09-01), Hoeft
patent: 4419634 (1983-12-01), Druegh et al.
patent: 4672449 (1987-06-01), Kraus et al.

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