251 _hot_ - Oscilloscope

The Ultimate Guide to the Tektronix CMC251 Multifunction Counter (251)

Providing accurate frequency references for prototype testing. Using the CMC251

In the world of radio frequency (RF) and high-frequency digital design, accurate frequency measurement is crucial. While oscilloscopes provide visual representations of signals, they are often limited in frequency precision. The (often referred to in the context of the "251" series) fills this gap as a high-performance 1.3 GHz multifuntion counter designed to measure frequency, period, and pulse width with exceptional stability and accuracy.

Channel A allows for standard measurements, handling frequencies from 1 Hz up to 100 MHz. It provides high sensitivity (20 mVRMS), making it suitable for lower-frequency circuits, audio, and logic applications. 3. Stability and Accuracy

Testing and calibrating UHF/VHF transmitters.

For full technical details, user manuals, and safety information, please refer to the official Tektronix CMC251 user manual .

Measuring clock frequencies and signal pulse widths.