Sample-and-hold unit with high sampling frequency
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United States of America Patent
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May 21, 1991
Grant Date -
N/A
app pub date -
Apr 26, 1990
filing date -
May 3, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a sample-and-hold unit more especially designed to work at microwave frequencies (>1 GHz). In order to increase the sampling frequency, the disclosed circuit has at least two identical parallel channels. Each channel has a first follower switch (9) a capacitor (11) and a second holding switch (15). The channels are controlled by a single clock, the complementary or phase-shifted signals (H, H) of which address the samples sequentially towards the output (8). The disclosed device can be applied to the processing of analog signals.
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