Tektronix CMC251 Used High-Resolution Frequency Counter for Lab and Field Use

Description

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.

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