Keysight Technologies Inc. USB Preamplifier, 10 MHz to 4 GHz, Cable-less
The Keysight U7228A is a USB preamplifier designed for use with Keysight X-Series signal analyzers and other compatible test equipment. Covering a frequency range from 10 MHz to 4 GHz, the U7228A offers a typical gain of 24 dB and a noise figure as low as 4.5 dB, enhancing measurement sensitivity for low-level signals. Its cable-less design allows direct connection to the instrument, minimizing signal loss and setup complexity. The U7228A is powered and controlled via USB, enabling plug-and-play operation without the need for external power supplies. It is ideal for applications requiring improved dynamic range and sensitivity in RF and microwave measurements.
