FEATURES
s s DESCRIPTIO s s s s s s s s Broadband RF, LO and IF Operation High Input IP3: +21dBm at 900MHz +17dBm at 1900MHz Typical Conversion Gain: 1dB at 1900MHz SSB Noise Figure: 11dB at 900MHz 14dB at 1900MHz Integrated LO Buffer: Insensitive to LO Drive Level Single-Ended or Differential LO Signal High LO-RF Isolation Enable Function 4.5V to 5.25V Supply Voltage Range 4mm × 4mm QFN Package The LT®5512 is a broadband mixer IC optimized for high linearity downconverter applications including cable and wireless infrastructure. The IC includes a differential LO buffer amplifier driving a double-balanced mixer. An integrated RF buffer amplifier improves LO-RF isolation and eliminates the need for precision external bias resistors. , LTC and LT are registered trademarks of Linear Technology Corporation. U APPLICATIO S s s s s Cellular/PCS/UMTS Infrastructure CATV Downlink Infrastructure High Linearity Mixer APPLICATIONS
ISM Band Receivers TYPICAL APPLICATIO High Signal-Level Downmixer...