Oscillators – Frequency stabilization – Temperature or current responsive means in circuit
Patent
1984-12-31
1987-04-14
Wan, Gene
Oscillators
Frequency stabilization
Temperature or current responsive means in circuit
331 66, H03B 536
Patent
active
046582231
ABSTRACT:
A method within adjusting values of a passive temperature compensation network for use in an oscillator includes the steps of determining the frequency variation of the oscillator from nominal over a specified temperature range, determining the maximum frequency variation over the temperature range, and recalculating the performance of the circuit over the temperature range utilizing reduced values for the temperature compensation components therein. The oscillation frequency can be utilized as the controlled parameter to a laser based component trimming system. Power is applied to the oscillator and the compensation component is trimmed until the circuit oscillates at the specified target frequency.
REFERENCES:
patent: 3757245 (1973-09-01), Berger
Marvin Dennis F.
Steele Roger
Gillman James W.
Motorola Inc.
Roney Edward M.
Southard Donald B.
Wan Gene
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