By Analog Devices Inc 77
Linear Technology's LTC5549 is a general-purpose, passive, double-balanced mixer that can be used for up conversion or down conversion. The RF port is designed for the 2 GHz to 14 GHz band and the IF port is optimized for 500 MHz to 6 GHz operation. An integrated LO buffer amplifier supports LO frequencies from 1 GHz to 12 GHz, requiring only 0 dBm LO power. The LTC5549 delivers high IIP3 and input P1dB with low power consumption. An internal LO frequency doubler can be enabled by a CMOS-compatible digital control pin, allowing operation with a lower, one-half LO input frequency. This allows the mixers LO port to be used with existing synthesizers, such as the LTC6946 and LTC6948 family. The LTC5549’s high level of integration minimizes the total solution cost, board space, and system level variation with its 2 mm × 3 mm package size.
Double-Balanced Microwave Mixer Translates 2 GHz to 14 GHz
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