CMC251 Tektronix Frequency Counter

Used

Features:

  • 1 Hz to 100 MHz (CH 1), 80 MHz to 1.3 GHz (CH 2)
  • ±1 ppm Time Base
  • Period Average, Period, Frequency, Totalize Self-test
  • Display Hold
  • Remote Start/Stop

Applications:

  • Training
  • Manufacturing
  • Production Test
  • Field Repair
  • Bench Calibration and Repair
  • Product Design
  • Laboratory and Research
  • Education

The Tektronix 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 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.

More Information
ManufacturerTektronix
ConditionUsed
Frequency100 MHz
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