Oscillation circuit having an active circuit portion and a surfa

Details Oscillation circuit having an active circuit portion and a surfa Oscillation circuit having an active circuit portion and a surfa

1997-06-13

1999-01-05

Kinkead, Arnold

Oscillators

Solid state active element oscillator

Significant distributed parameter resonator

331107DP, 331117R, 331116M, 331 36C, 333194, H03B 502, H03B 530

Patent

active

058567640

ABSTRACT:
An oscillation circuit comprises a surface acoustic wave resonance device of the single port type, an active circuit portion with which the surface acoustic wave resonance device is connected so that a signal feedback from the active circuit portion to the surface acoustic wave resonance device is carried out, an inductive element connected substantially in parallel with the surface acoustic wave resonance device, and a damping portion connected with one or both of the inductive element and the surface acoustic wave resonance device for suppressing parasitic oscillations caused by coaction between the inductive element and stray capacitance accompanying the surface acoustic wave resonance device.

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