TRF371109EVM

The TRF371109EVM is used to test the performance of the TRF371135 direct quadrature demodulator device. The RF input and LO (local oscillator) input require differential signals, achieved with the use of an RF balun. The TRF371109EVM can be configured with different baluns to facilitate operation in the frequency band of interest. The input signal is injected into the RFin connector (J6). After it is transformed into a differential signal by a balun it is fed into the TRF371135 input ports. The local oscillator source is connected to the LO port (J7) and through a similar balun it is differentially injected into the TRF371109 LO pins. The input signal after being down-converted and filtered by the TRF371109 can be tested at the baseband output ports both single-ended or differentially.