Ratiometric analog-to-digital converter

Details Ratiometric analog-to-digital converter Ratiometric analog-to-digital converter

1975-07-10

1977-05-17

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

340347AD, H03K 1320

Patent

active

040245330

ABSTRACT:
An analog-to-digitial converter of the dual slope type wherein simultaneous integration of two input signals is achieved to provide a digital output substantially immune to disturbances affecting both signals. First and second dual slope converter circuits are employed, each receiving a respective analog signal. During conversion of the first signal, integration of the second signal is accomplished such that a digital output signal is provided representing the integrated instantaneous ratio of the two input signals and which is substantially free of disturbances affectng both of signals which may be introduced during a conversion cycle.

REFERENCES:
patent: 3749894 (1973-07-01), Avdeef
patent: 3909824 (1975-09-01), Fontanes

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