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> Tektronix CMC251 1.3GHZ frequency counter a
Tektronix CMC251 1.3GHZ frequency counter a
Tektronix CMC251 1.3ghz Frequency Counter
Includes power cord, no probes or other items included.
Manual here: http://www.17.net.cn/downxz/CMC251.PDF
* 1 Hz to 100 MHz (CH 1), 80 MHz to 1.3 GHz (CH 2)
* Period Average, Period, Frequency, Totalize Self-test
* Bench Calibration and Repair
The CMC251 1.3 GHz Multifunction Counter measures the frequency of sine, square and triangle waves from 1 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 M input for frequency measurements up to 100 MHz. Channel B is a 50 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.
