Temperature-compensated, precision frequency-to-voltage converte

Details Temperature-compensated, precision frequency-to-voltage converte Temperature-compensated, precision frequency-to-voltage converte

1995-09-11

1996-05-07

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Converting input frequency to output current or voltage

327100, 327513, 327362, H02M 7537

Patent

active

055149880

ABSTRACT:
A Frequency-to-Voltage Converter (FVC) circuit is based on a precision one-shot that is compensated in a way such that matching of transistors in the circuit is unimportant. Therefore, temperature spacial gradients are rejected. The necessary saturation voltages for the FVC's npn devices are compensated by modulating the drive level of these devices with temperature.

REFERENCES:
patent: 3614634 (1971-10-01), Plano et al.
patent: 4547902 (1985-10-01), Kasperkovitz

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