Highest Performance, Lowest Power Dual Mixers 1nF 270nH 190MHz 270nH 10nF 1nF 3.3V 10nF RF Main 2.7pF IFA+ RFA IFA– 3.9pF LO LTC2158-14 GND LO RFB RF LTC6412 BIAS IFB+ 270nH BPF IF VGA LTC5569 10nF Dual ADC ENA LO LO RF Diversity 2.7pF LTC6412 VCCA BIAS RF IF VGA IFB– 270nH BPF ENB VCCB 1nF 190MHz 3.3V 10nF 1nF 1.95GHz Low Power Diversity Receiver with 190MHz Bandpass IF Matching Linear Technology Dual Mixer Family Frequency Range IIP3 Gain NF/5dBm Blocking Power Supply LTC5569 300MHz to 4GHz 26.8dBm 2dB 11.7/17.0dB 3.3V/182mA LTC5590 600MHz to 1.7GHz 26.0dBm 8.7dB 9.7/15.5dB 3.3V/379mA LTC5591 1.3GHz to 2.3GHz 26.2dBm 8.5dB 9.9/15.5dB 3.3V/382mA LTC5592 1.6GHz to 2.7GHz 26.3dBm 8.3dB 9.8/16.4dB 3.3V/406mA LTC5593 2.3GHz to 4.5GHz 26.0dBm 8.5dB 9.5/15.9dB 3.3V/397mA L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Compare... Actual Application Circuit — Fewer External Components Saves Cost RF1 IFA VPOS 3.3V RFA RFA IFA+ BIASA IFA– VPOS RF1+ VCCA BIAS RF ENA VPOS LO LO LOIN GND GND LTC5569 LO RF RFB BIAS IF1P IFB– GND RF2+ RF2– GND GND GND GND OP1+ OP2– ENB GND GND VPOS VPOS VCCB ENBL GND LOIP LOIN VPOS OP2+ Competition OP1– VPOS IFB+ RF1– GND RFB BIASB RF2 GND IF2P VPOS VSET IFB LTC5569 Competition IIP3 26.8dBm 28dBbm Gain 2dB < 0dB OIP3 28.8dBm < 28dBm NF 11.7dB 11.8dB NF with 0dBm Blocker 14.5dB 22dB 0.6W 1.1W Power Consumption www.linear.com/5569 n 1-800-4-LINEAR 0112