Keysight Technologies 54121A

The Keysight (Agilent) 54121A is a high-speed, four-channel test set designed for use with the 54120A/B mainframes, offering DC to 20 GHz bandwidth and exceptional signal fidelity. With 17.5 ps risetime, 1 mV/div to 80 mV/div sensitivity range, and ±2 V DC + peak input voltage handling, it enables precise characterization of ultra-fast signals. The test set features 3.5 mm (male) input connectors and 50-ohm input impedance, ensuring compatibility with high-frequency measurement systems. Engineered for advanced RF and time-domain testing, the 54121A is ideal for multi-channel signal acquisition and analysis in applications requiring sub-nanosecond resolution. Testwall can supply the used Keysight (Agilent) 54121A, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Keysight (Agilent) 54121A.