Analog to digital converter using sawtooth voltage signals...

Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion

Reexamination Certificate

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C341S136000, C327S131000

Reexamination Certificate

active

11053756

ABSTRACT:
An analog to digital converter includes a resistor-divider network including a plurality of resistors, an arbel channel circuit configured to generate a voltage sawtooth signal as an output, a dc-offset disposed to couple a node of the resistor-divider network and the arbel-channel circuit. The converter further includes a voltage reference circuit configured to generate a reference voltage, and a differential comparator configured to compare the voltage sawtooth signal with the reference voltage to produce a digital output signal corresponding to the voltage sawtooth signal. Method of converting an analog signal to a digital signal is also described.

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Sedra, A. and Smith, K., Microelectronic Circuits (4th Edition). Oxford University Press, New York, 1998, pp. 854-870, no month.
Arbel, A. and Kurz, R., “Fast ADC”, IEEE Transactions on Nuclear Science, vol. NS-22, Feb. 1975, pp. 446-451, no date.
Arbel, A., Analog Signal Processing and Instrumentation, Cambridge University Press, 1980, pp. 218-246, no month.

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