Quantizing circuits using a charge coupled device with a feedback channel
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United States of America Patent
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Jan 18, 1983
Issued Date -
N/A
app pub date -
Oct 27, 1980
filing date -
Apr 16, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A signal to be quantized is translated to a charge Q and the latter is multiplied by a fraction f to produce a fractional charge packet fQ. Then, another fractional charge packet is produced by multiplying the remainder Q(1-f) of the charge packet by f. This last step is repeated for succeeding remainder charge packets a sufficient number of times until a total of n-1 fractional charge packets have been produced, where n is the number of quantization levels desired. The successive fractional charge packets are compared with threshold levels of different amplitudes to determine the number of incremental charge packets, each of the same size, to be added to one another to form a quantized charge packet.
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