Swept frequency oscillators having time constant-controlled sign

Details Swept frequency oscillators having time constant-controlled sign Swept frequency oscillators having time constant-controlled sign

1981-12-07

1984-11-13

Miller, Stanley D.

Oscillators

With frequency adjusting means

Cyclic frequency sweeping means

331177R, 331179, 307271, H03B 2300

Patent

active

044828721

ABSTRACT:
A swept frequency oscillator is capable of providing an output signal whose frequency can be swept over a very wide range at a rate which is not dictated by the period of the lowest frequency in the range. The signal detector monitors the output level of the oscillator so as to generate a control signal to remove variations in the output power level. At frequencies below a particular value, the time constant of the detector is modified progressively so as to be inversely proportional to the frequency being generated. Thus at low frequencies in the swept range, the time constant of the detector is increased.

REFERENCES:
patent: 3638135 (1972-01-01), Stover
patent: 3965438 (1976-06-01), Winston
patent: 4245196 (1981-01-01), Peebles, Jr. et al.

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