Agilent / HP / Keysight 8755B

This Network Analyzers, is a swept amplitude analyzer for 180 series displays.

It has inputs for three 11664A detectors and supplies 27.8KHz drive for the 11665B Modulator.

It features 10MHz to 26.5GHz, steps of 10,5,1, or 0.25dB per division.

Detectors sold separately.