The HP Agilent 85020A is a used Directional Bridge that is designed especially for the 8757A, 8756A and 8755C Scalar Network Analyzers.

The unit features outstanding directivity and test port match in a compact, rugged package.

Within the unit, one zero-bias Schottky diode detector measures the return loss of the test device.

The unit covers the 10MHz to 4.3GHz frequency range. It uses Type-N Female connectors.