Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Adam James Wang0
Zlatko Aurelio Filipovic0
Yi-Hung Chen0
Weiping Wang0
Guan-Wu Wang0
Date of Patent
January 17, 2023
0Patent Application Number
171633810
Date Filed
January 30, 2021
0Patent Citations
...
Patent Citations Received
Patent Primary Examiner
A radio frequency (RF) front end device has a signal traveling from a first antenna to a second antenna in an uplink path and a signal traveling from a third antenna to a fourth antenna in a downlink path. The device is under the control of automatic on/off controller (AOOC) which upon receiving a signal indication from a receive signal detector and amplifier (RSDA) turns on the operations of power amplifier (PA) and simultaneously turns off a low noise amplifier (LNA). This LNA is turned off when the power amplifier is turned on to prevent uplink path and downlink path forming a feedback loop which would result in oscillation, noise and interference.
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