Getting Started
CMC251 User Manual
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Figure 3: Rear Panel Signal Connections
In Total mode, the TTL logic levels start (TTL high) and stop (TTL
low) the display updates. This performs the same function as the
HOLD button.
In Pulse mode, the TTL logic levels select either negative (TTL low)
or positive (TTL high) pulse width measurement.
Summary of Contents for CMC251
Page 1: ...User Manual CMC251 1 3 GHz Frequency Counter 070 8527 03...
Page 4: ......
Page 10: ...General Safety Summary vi CMC251 User Manual...
Page 18: ...Getting Started 8 CMC251 User Manual...
Page 28: ...Reference 18 CMC251 User Manual...
Page 34: ...Appendix A Specifications 24 CMC251 User Manual...