Audio frequency multiplication device
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United States of America Patent
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-
Dec 2, 1986
Issued Date -
N/A
app pub date -
Jul 19, 1985
filing date -
Jul 19, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A signal processing device for frequency multiplication of an analog signal by an adjustable multiplication factor. The input analog signal is digitized using a delta modulator and read into a random access memory at a first clock rate. The data is read out of the memory at second clock rate and then converted back to an analog output signal. The multiplication factor is a function of the adjustable ratio of the two clock rates.
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