Radio frequency electronic switch

Radio frequency electronic switch

The present invention relates to Radio Frequency (RF) electronic switches and, more particularly, to a RF switch for use in time division duplex (TDD) wireless communication systems. A radio frequency (RF) switch () for use in a wireless communication system operated in a time delay division mode of...

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Hauptverfasser: Durec, Jeffrey C, Lovelace, David Kevin, Randol, Mark D
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Sprache:eng
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creator Durec, Jeffrey C
Lovelace, David Kevin
Randol, Mark D
description The present invention relates to Radio Frequency (RF) electronic switches and, more particularly, to a RF switch for use in time division duplex (TDD) wireless communication systems. A radio frequency (RF) switch () for use in a wireless communication system operated in a time delay division mode of operation. The switch includes a pair of PIN diodes (and ) serially coupled between the transmitter and receiver paths of the communication system which share a common node () to which a bias voltage is provided. The bias voltage is switched between first and second voltage levels to alternately cause one and the other of the pin diodes to be forward biased while the other is reversed bias. In this manner the transmitter and receiver paths will be alternately shorted to alternating current ground while the other path is shorted to a common node to an antenna.
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A radio frequency (RF) switch () for use in a wireless communication system operated in a time delay division mode of operation. The switch includes a pair of PIN diodes (and ) serially coupled between the transmitter and receiver paths of the communication system which share a common node () to which a bias voltage is provided. The bias voltage is switched between first and second voltage levels to alternately cause one and the other of the pin diodes to be forward biased while the other is reversed bias. 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A radio frequency (RF) switch () for use in a wireless communication system operated in a time delay division mode of operation. The switch includes a pair of PIN diodes (and ) serially coupled between the transmitter and receiver paths of the communication system which share a common node () to which a bias voltage is provided. The bias voltage is switched between first and second voltage levels to alternately cause one and the other of the pin diodes to be forward biased while the other is reversed bias. In this manner the transmitter and receiver paths will be alternately shorted to alternating current ground while the other path is shorted to a common node to an antenna.</abstract><oa>free_for_read</oa></addata></record>
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title Radio frequency electronic switch
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