High speed Boolean logic trigger oscilloscope vertical amplifier with edge sensitivity and nested trigger
First Claim
1. An oscilloscope vertical amplifier for processing and displaying multiple analog input signals, said vertical amplifier comprising:
- analog signal path means for receiving and processing said analog input signals for display on a viewing screen; and
digital trigger path means for deriving a display trigger signal from a selectable Boolean logic word combination of said analog input signals.
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Abstract
An oscilloscope vertical amplifier with Boolean combinatorial trigger generator capability is disclosed. While the display output is fully analog, the trigger output to the time base is digital with a user selectable Boolean function of the analog input signals. Also included is nested triggering, edge as well as level sensitivity, and a trigger filter to selectively inhibit high frequency events. The delay times of the analog and digital signal paths are matched by means of analog delay lines before presentation by a visual display to present the analog and digital signals in time coincidence to the oscilloscope main frame.
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Citations
18 Claims
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1. An oscilloscope vertical amplifier for processing and displaying multiple analog input signals, said vertical amplifier comprising:
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analog signal path means for receiving and processing said analog input signals for display on a viewing screen; and digital trigger path means for deriving a display trigger signal from a selectable Boolean logic word combination of said analog input signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification