Sweep signal generation system

Details Sweep signal generation system Sweep signal generation system

1980-03-31

1982-03-16

Grimm, Siegfried H.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Plural oscillators controlled

331 4, 331 25, 331178, H03L 712, H03B 2300

Patent

active

043203558

ABSTRACT:
A sweep signal generation system for producing an output sweep signal of very high frequency includes a circuit for generating an input sweep signal, and a phase locked loop which includes a phase detector, a voltage controlled oscillator and a harmonic frequency mixer. The output sweep signal is applied to the harmonic mixer together with a local oscillator signal of fixed frequency, the output from the harmonic frequency mixer being applied to the phase detector together with the input sweep signal. The output from the phase detector is applied to the voltage controlled oscillator to cause the frequency of the output thereof to be swept in accordance with variation of the input sweep signal.

REFERENCES:
patent: 3320546 (1967-05-01), Allen et al.
patent: 3916334 (1975-10-01), Hugenholtz
patent: 4001714 (1977-01-01), Reed

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