Sweep circuit for oscilloscope
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United States of America Patent
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-
Mar 14, 1989
Grant Date -
N/A
app pub date -
Apr 29, 1987
filing date -
May 7, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The oscilloscope sweeping circuit includes a first D/A converter which converts sweep rate step digital data into a charge current under the weighting of a reference current applied thereto. The charge current charges a capacitor and the amount of the charge determines the sweep rate. The reference current is produced by a second D/A converter which converts fine step digital data into an analog current.
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