Pulsed magnetron circuit with phase locked loop

Details Pulsed magnetron circuit with phase locked loop Pulsed magnetron circuit with phase locked loop

1993-08-02

1996-05-07

Pascal, Robert J.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Magnetron oscillator

331 17, 331 47, 331173, 331 87, 331 90, 342201, 342202, 327113, 375312, 375314, 332132, H03B 910

Patent

active

055150110

ABSTRACT:
A semiconductor diode is connected across the cathode-to-anode path of a magnetron and through a storage capacitor and collector resistor to a supply voltage for enabling charging of the capacitor. A control pulse causes a switching transistor to conduct to discharge the capacitor through its collector-to-emitter path, an emitter resistor, and the magnetron, for causing the latter to oscillate. A feedback signal representative of the difference between the magnetron output frequency and a reference frequency is applied to a linear amplifier transistor which conducts through the emitter resistor for controlling the current flow through the switching transistor and the operating frequency of the magnetron.

REFERENCES:
patent: 2724778 (1955-11-01), Jasik
patent: 3514718 (1970-05-01), Newton
patent: 3713029 (1973-01-01), Uchida
patent: 4002995 (1977-01-01), Reed
patent: 4011520 (1977-03-01), Schaefer
patent: 4017702 (1977-04-01), Harmon et al.
patent: 4250454 (1981-02-01), Sakamoto
patent: 4571552 (1986-02-01), Brown
patent: 4682178 (1987-07-01), Anflo et al.

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