Circuit arrangement for compensating frequency deviations of a v

Details Circuit arrangement for compensating frequency deviations of a v Circuit arrangement for compensating frequency deviations of a v

1996-03-26

1998-05-12

Grimm, Siegfried H.

Oscillators

Plural oscillators

Oscillator used to vary amplitude or frequency of another...

331 57, 331176, H03B 504, H03L 100

Patent

active

057511969

ABSTRACT:
The oscillation frequency of a non-externally voltage-controlled oscillator produces a control signal for the monolithic integrated voltage-controlled oscillator. This control signal is opposed to the influence of the operating temperature and the manufacturing parameters of the semiconductor chip in a similar way as the frequency of the voltage-controlled oscillator. The control signal is emitted through an iterative network consisting of a monostable multivibrator, a low-pass filter, and an amplifier. The iterative network produces an actuating signal for the voltage-controlled oscillator to counteract frequency deviations.

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