Patent ID: 9658262
Date: 2017-05-23
CPC Classifications: G01R

Claim:
1. A bi-directional measurement circuit comprising: an RF input terminal; an RF output terminal; a forward component; a reverse component; a forward bridge portion coupled between the RF input terminal and the RF output terminal and arranged to divert a portion of the power flowing from the RF input terminal to the RF output terminal to the forward component; and a reverse bridge portion coupled between the RF input terminal and the RF output terminal and arranged to divert a portion of the power flowing from the RF output terminal to the RF input terminal to the reverse component; wherein: the forward component is coupled to the forward bridge portion, the reverse component is coupled to the reverse bridge portion, the forward bridge portion comprises a first shunt path coupled to the RF output terminal, the reverse bridge portion comprises a second shunt path coupled to the RF input terminal, and the forward bridge portion and the reverse bridge portion each include an electrical pathway through a shared portion, the shared portion is arranged to function simultaneously as part of the forward bridge portion and as part of the reverse bridge portion, and the shared portion comprises a resistor coupled between the RF input terminal and the RF output terminal.