Patent ID: 9537468
Date: 2017-01-03
CPC Classifications: G01S,G06K,H03F,H03H,H03K,H04W

Claim:
1. A reflective vector attenuator comprising: a hybrid coupler, wherein the coupler comprises a first 3 dB port and a second 3 dB port; a first termination circuit coupled to the first 3 dB port, wherein the first termination circuit is configured to have a first adjustable termination impedance; and a second termination circuit coupled to the second 3 dB port, wherein the second termination circuit is configured to have either a second adjustable termination impedance or a fixed impedance, wherein the adjustable termination circuit comprises a group of one or more switch-controlled resistors, a group of one or more switch-controlled capacitors, a group of one or more switch-controlled inductors and a group of one or more switch-controlled short circuit terminations.