Apparatus for measuring SAR, method for lowering SAR and mobile terminal

摘要

A device for measuring SAR, a method for lowering SAR and a mobile terminal, wherein the device for measuring SAR comprises a SAR sensor (1), a plurality of first capacitive limiting modules (2), a plurality of second capacitive limiting modules (3) ) and a plurality of signal isolation modules (4); The SAR sensor 1 includes a plurality of measurement ports 11 , and each measurement port 11 is installed to measure SAR with respect to one antenna 5 ; The first end of each first capacitive limiting module 2 is connected with the antenna 5 , the second end of the first capacitive limiting module 2 is connected with the measurement port 11 , and the first capacitive The limiting module 2 is installed to limit the capacitance value of the antenna 5 side; The first end of each second capacitive limiting module 3 is connected with the measurement port 11 , the second end of the second capacitive limiting module 3 is connected with the power control circuit 6 , and the second The capacitive limiting module 3 is installed to limit the capacitive value of the power control circuit 6 side; The first end of each signal isolation module 4 is connected to the antenna 5 , the second end of the signal isolation module 4 is connected to the measurement port 11 , and the signal isolation module 4 is connected to the antenna 5 ) and the power control circuit 6 is installed to isolate the frequency signal on the frequency path, and transmit the SAR signal of the antenna 5 .