TRANSMIT-RECEIVE SWITCH WITH SELECTABLE ANTENNA PORTS
Original Publication Date: 1987-Oct-01
Included in the Prior Art Database: 2001-Oct-24
A two PIN diode T/R switch is configured to switch either of two antennas between a transmitter and receiver. No PIN diode current is required when either antenna port is used in the receive mode. The circuit also provides more than 26 dB second harmonic attenuation across a 25% frequency bandwidth.