Agilent (Hewlett-Packard) 85105A 004 Millimeter-Wave Test Set Controller

The 85105A 004 Millimeter-Wave Test Set Controller provides an amplified LO signal to each of the mm-wave modules to drive the harmonic mixers. An amplified RF signal is applied to the active test set, either port 1 or port 2 for S-parameter measurements. The incident and reflected IF signals from the test sets are returned to the 85105A amplified, output to the analyzer, processed and displayed. A leveling signal is passed from the test set through the controller to the RF source to provide leveled power. The HP 85105A sends a control signal to switch the RF signal to the test set and routes the IF from the test set to the analyzer. No new connections are required when switching between mm-wave and microwave operation. The HP 85105A is equipped with the IF switching and RF switch control capability for routing these signals to either the mm-wave or microwave test set.