Analogue-to-digital-converters

Details Analogue-to-digital-converters Analogue-to-digital-converters

1975-06-12

1977-01-25

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

340347CC, H03K 1302

Patent

active

040054101

ABSTRACT:
An analogue-to-digital converter comprising a plurality of stages in series, each stage including a full wave rectifier with two inputs and two outputs. Each of the inputs receives an analogue signal together with a constant current such that the full wave rectifier current reverses direction when the analogue signal reaches a predetermined level. Temperature compensation means are provided comprising voltage generators connected to the rectifier to provide a voltage bias thereto so as to enable the point of reversal of the rectifier current to remain constant over a wide range of ambient temperatures. The voltage generators have a temperature coefficient of voltage corresponding in magnitude and acting in the same sense as the bridge rectifier.

REFERENCES:
patent: 2730676 (1956-01-01), Barker

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