Analog to digital converter with offset error correction

Details Analog to digital converter with offset error correction Analog to digital converter with offset error correction

1979-04-16

1982-06-29

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

340347AD, 340347CC, H03K 1320

Patent

active

043374565

ABSTRACT:
An analog to digital converter of the ramp-integrator type with provisions to reduce errors due to offset voltages. The cycle which is utilized includes a preconditioning cycle during which the capacitor is charged while the input to the buffer amplifier is connected to the datum level voltage, such as ground. A microprocessor is used to compute the unknown signal.

REFERENCES:
patent: 3872466 (1975-03-01), Wold
patent: 3942173 (1976-03-01), Wold
patent: 4023160 (1977-05-01), Kirschner

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