RF to Baseband ConvertersRF to Baseband Converters Angelo Nagari ACLK AEN ADI ADO 10 Bit DAC 10 Bit DAC ASI 11 Bit DAC AUXDAC1 AUXDAC2 AUXDAC3 ADCTRIG 10 Bit ADC M U X AUXADC1 AUXADC2 AUXADC3 ITXP ITXN TxON BDI BIEN BICLK BOCLK BOEN BDO RxON RX Offset Calibration 10 Bit DAC GMSK MOD 10 Bit DAC BSI Decimation Filter Decimation Filter LP TX Offset Calibration Typical implementation for a Baseband Codec + Auxiliary Converters LP QTXP QTXN 14 Bit Σ ADC 14 Bit Σ ADC IRXP IRXN QRXP QRXN Baseband Codec Auxiliary DACs n AUX DACs requirements: èMonotonicity èHigh speed (AGC, PA) èLow Pass Filtering (AGC,PA) RF Filter PA 10 Bit DAC 11 Bit DAC Power Control AGC PLL Baseband RF n AFC DAC requirements: èResolution: 11 bits èMonotonicity: