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Pin Diode Antenna Transmitt/Receive Switches Circuit
Tuesday, 05. January 2010 by
admindata
Transmitt/Receive Switch (T/R Switch) Circuit is appeared in the diagram below. Transmit / Receive Antenna Switches are commonly used to connect the transceiver’s antenna to either the Transmitter port or the Receiver port. This is one of the most important control circuit applications for specific wireless system applications using PIN diodes.
This quarter wave antenna switch is a narrow band SPST switch configured to switch the Antenna Port. When both pin diode D1 & D2 are forward biased, the transmitter is connect to the Antenna, and the Receiver is protected by the isolation network of D2 terminating the quarter wavelength line.
Category:
Diode |
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