Oscillation circuit and oscillation method

Details Oscillation circuit and oscillation method Oscillation circuit and oscillation method

1996-09-26

1998-02-10

Mis, David

Oscillators

Solid state active element oscillator

Significant distributed parameter resonator

331175, H03B 530

Patent

active

057173630

ABSTRACT:
An oscillation circuit and an oscillation method for generating a high-frequency signal in which NPN transistors are differentially connected to each other. The signal output from the collector of a first NPN transistor is positively fed back to the base of a second NPN transistor via a first capacitor, and the signal output from the collector of the second NPN transistor is positively fed back to the base of the first NPN transistor via a second capacitor. A one-port-type SAW resonator is connected to the collectors of the NPN transistors via the capacitors for blocking the flow of direct current. Thus, it becomes possible to generate a high-frequency signal with a high degree of accuracy.

REFERENCES:
patent: 3787612 (1974-01-01), DeVries et al.
patent: 5016260 (1991-05-01), Masuda
patent: 5568095 (1996-10-01), Hill

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