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Applications:
The Tektronix CMC251, 1.3 GHz Multifunction Counter, measures the frequency of sine, square and triangle waves from 1Â Hz to 1.3 GHz. The CMC251 also provides period, totalize and pulse width measurements.
The counter has two input channels. Channel A is a standard 1 MΩ input for frequency measurements up to 100 MHz. Channel B is a 50 Ω terminated input for use in high-frequency systems.
This counter is of interest to radio amateurs because of its ability to measure high-frequency systems. The temperature-compensated, crystal-controlled time base is stable to ±1 part per million per year.
Model No
CMC251
Condition
Used
Manufacturer
Tektronix
Frequency
100 MHz
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