G - Physics – 11 – C
Patent
G - Physics
11
C
354/137, 354/70
G11C 13/00 (2006.01) G01R 13/20 (2006.01) G01R 13/34 (2006.01) G01R 13/40 (2006.01)
Patent
CA 1143068
Abstract A waveform storage system is provided in which wave- form envelopes or maximum signal deviations along a waveform are detected and stored. A sampling clock operates at a pre- determined fixed rate independently of a recording clock which is operable at rates determined by the sweep speed and is equal to or slower than the sampling clock. Data from an analog-to-digital converter is simultaneously applied to at least one latch and at least one comparator to be compared with the latch output. If the absolute value of the signal is greater than that stored in the latch, the latch is up- dated with the new value. The contents of the latch are clocked into memory by the recording clock.
354642
Dagostino Thomas P.
Navarro Luis J.
Kirby Eades Gale Baker
Tektronix Inc.
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