LTC5543
2.3GHz to 4GHz
High Dynamic Range
Downconverting Mixer
DESCRIPTION FEATURES Conversion Gain: 8.4dB at 2500MHz
IIP3: 24.5dBm at 2500MHz
Noise Figure: 10.2dB at 2500MHz
17.5dB NF Under +5dBm Blocking
High Input P1dB
3.3V Supply, 660mW Power Consumption
Shutdown Pin
50О© Single-Ended RF and LO Inputs
LO Inputs 50О© Matched when Shutdown
High Isolation LO Switch
0dBm LO Drive Level
High LO-RF and LO-IF Isolation
Small Solution Size
20-Lead (5mm Г— 5mm) QFN package The LTCВ®5543 is part of a family of high dynamic range, high
gain passive downconverting mixers covering the 600MHz to
4GHz frequency range. The LTC5543 is optimized for 2.3GHz
to 4GHz RF applications. The LO frequency must fall within
the 2.4GHz to 3.6GHz range for optimum performance. A
typical application is a LTE or WiMAX receiver with a 2.3GHz …