Radio frequency switch type broadcast article
Author：Xiamen Lineyi Electronics Co.,Ltd.
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Time：2021-05-16 10:52:31
Pasternack RF switch is a passive microwave device, which can switch the high-frequency RF signal to the set transmission path. It is mainly used in the microwave test system to send various RF signals to specific devices, so as to realize multiple tests with the same equipment at the same time.
Pasternack RF switches have three basic types:
（1） Pin diode switch
Pin diode switches can be divided into single pole single throw (SPST), single pole double throw (SPDT), single pole three throw (SP3T), single pole four throw (SP4T), single pole eight throw (sp8t) and pin diode transfer switches according to their different structures.
（2） RF electromechanical relay switch (RF relay)
It is very suitable for electromechanical applications with low insertion loss and high power isolation.
（3） Manual RF switch
The consideration indexes of RF switch include: isolation, power capacity, insertion loss, transient time, switching time, 1dB power compression point, etc.
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