LTC5548

Features nn Upconversion or Downconversion nn High IIP3: +24.4dBm at 5.8GHz +21.4dBm at 9GHz nn 7.1dB Conversion Loss at 5.8GHz nn +15.2dBm Input P1dB at 5.8GHz nn Integrated LO Buffer: 0dBm LO Drive nn Selectable Integrated LO Frequency Doubler nn Low LO-RF Leakage: <–30dBm nn 50Ω Wideband Matched RF and LO Ports nn 3.3V/120mA Supply nn Fast Turn ON/OFF for TDD Operation nn 3mm × 2mm, 12-Lead QFN Package Applications nn Microwave Transceivers nn Wireless Backhaul nn Point-to-Point Microwave nn Phased-Array Antennas nn C, X and Ku Band RADAR nn Test Equipment nn Satellite MODEMs LTC5548 2GHz to 14GHz Microwave Mixer with Wideband DC– 6GHz IF Description The LTC®5548 is a high performance, microwave double balanced passive mixer that can be used for frequency upconversion or downconversion. The device is similar to the LTC5549, but with a broadband, differential DC to 6GHz IF port. The LTC5548 is recommended for applications where the IF frequency range extends below 500MHz. For applications where the IF frequency is always above 500MHz, the LTC5549 is recommended, since it includes an integrated IF balun. The LTC5548’s mixer and integrated RF balun are optimized to cover the 2GHz to 14GHz RF frequency range. The device includes an integrated LO amplifier optimized for the 1GHz to 12GHz frequency range, requiring only 0dBm drive. The device also includes an integrated LO frequency doubler, which can be enabled or disabled with a CMOS-compatible control pin. The LTC5548 deli...