Coded data generation or conversion – Phase or time of phase change
Patent
1988-10-06
1990-11-06
Shoop, Jr., William M.
Coded data generation or conversion
Phase or time of phase change
H03M 300
Patent
active
049689860
ABSTRACT:
A wide bandwidth analog-to-digital converter and method. The input analog signal is supplied to a plurality (N) of parallel channels, each of which includes a modulator for modulating the incoming analog signal in each channel with a different time phased sampling signal. A filter having bandwidths which reject the sum product of the modulator and all frequencies above a predetermined level and passes the filtered signal directly to an analog-to-digital converter and a sampling signal supplied to these converters are at a rate which is predetermined fraction (depending on the number of channels) of the normal rate.
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Ideas, Inc.
Logan Sharon D.
Shoop Jr. William M.
Zegeer Jim
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