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> Tektronix CMC251 1.3GHZ multifuntion counter
Tektronix CMC251 1.3GHZ multifuntion counter
Tektronix CMC251 1.3Ghz Multifuntion Counter
Condition: Excellent physical condition. 30 Days Warranty, please see Term of Sale for more detail.
Unit Included: No manual or document to associate with the unit.
* Descriptions and features:
The CMC251 Frequency Counter is a multifunction counter which measures the frequency of sine, square, and triangle waves from 1Hz to 1.3GHz. The CMC251 also provides period, totalize and pulse width measurements. The counter has two input channels. Channel A is a standard 1mili-Ohm input for frequency measurements up to 100MHz. Channel B is a 50 ohms terminated input for use in high-frequency systems. The temperature-compensated, crystal-controlled time base is stable one part per million per year.
* Minimum Frequency, Ch. 1 1 Hz
* Maximum Frequency, Ch. 1 100 MHz
* Sensitivity, Channel 1 50 mV
* Maximum Input Voltage, Ch. 1 4.9 V
* Input Impedance, Ch.1 1 MOhm
* Minimum Frequency, Ch. 2 80 MHz
* Maximum Frequency, Ch. 2 1.3 GHz
* Sensitivity, Channel 2 35 mV
* Maximum Input Voltage, Ch. 2 1 V
* Input Impedance, Ch. 2 50 Ohm
* Attenuation - 3 V to 42 V (HI); 50 mV to 5 V (LO)
* Low Pass Filter - -3 dB at 100 kHz
* Pulse Width Range - 0.25 s to 0.5 Second
* Time Interval CH A: CH B - No
* EMC - Meets Directive 89/336/EEC
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