Temperature compensation circuit for oscillator with parabolic c

Details Temperature compensation circuit for oscillator with parabolic c Temperature compensation circuit for oscillator with parabolic c

1982-07-28

1985-01-08

LaRoche, Eugene R.

Oscillators

With device responsive to external physical condition

Temperature or light responsive

310315, 328 3, 331176, H03L 102

Patent

active

044929331

ABSTRACT:
An improved temperature compensation circuit for an oscillator circuit having a frequency response that is parabolic with respect to temperature, including a time dependent ramp signal, an AC integrator for converting the ramp signal to single-sided parabolic voltage functions and means for sampling the resulting time dependent one-sided parabolic voltage functions with respect to a time base at selected times corresponding to ambient temperatures.

REFERENCES:
patent: 3492586 (1970-01-01), Leffmann
patent: 3821665 (1974-06-01), Irwin et al.
patent: 4297657 (1981-10-01), Frerking
patent: 4380745 (1983-04-01), Barlow et al.
patent: 4412188 (1983-10-01), Helle et al.

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