The LTC5576 is an active double balanced upconversion mixer from Linear Technology, with very wide RF frequency range, extending from 3GHz to 8GHz. The LTC5576 enhances microwave transmitter and upconversion performance with its exceptional linearity of 25dBm OIP3 and outstanding conversion loss of only 2dB at 8GHz, providing superior output signal quality compared to alternative passive mixers, which typically have 8dB of loss.

Additionally the LO input’s integrated buffer needs only a 0dBm level drive, effectively eliminating an external amplifier circuit. The LTC5576 employs a unique integrated RF balun transformer design to extend output frequency bandwidth while enabling single-ended operation from 3GHz to 8GHz. The LTC5576’s extended frequency capability addresses a wide range of applications such as short-range microwave backhauls, 5.8GHz cellular base stations and wireless repeaters. In addition, its dynamic range supports the performance requirements of wireless test equipment, radar receivers and satellite communications.

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