| 摘要 |
PROBLEM TO BE SOLVED: To provide a high frequency switch with a small size that is applied to an RF section of various communication units. SOLUTION: The high frequency switch is configured with a diode D1 connected between an antenna ANT and a transmission circuit Tx, a strip line L1 connected to the antenna ANT and a 1st reception circuit Rx1, a diode D2 connected between the reception circuit Rx1 and ground, a control circuit Vc1 that controls on/off of the diodes D1, D2, a diode D5 connected between the antenna ANT and a 2nd reception circuit Rx2, and a control circuit Vc3 that controls on/off of the diode D5.
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