High linearity active mixer

19 November 2003 Telecoms, Datacoms, Wireless, IoT Security Services & Risk Management

Linear Technology's LT5522, a high performance active downconverting mixer that operates with RF input from 600 MHz to 2,7 GHz, offers high third-order intercept (IP3) performance, extending system dynamic range and simplifying receiver design. The LT5522 RF input has an on-chip transformer that is 50 Ω matched over a wide frequency range, and both the RF input and the local oscillator ports can be driven differentially or single-ended with minimum external impedance matching components. The LO port requires low drive levels and optimum performance is achieved with an LO input power level of -5 dBm. The device draws only 56 mA of supply current at 5 V, and comes in a small footprint 4 x 4 mm plastic flat package. The LT5522's linearity makes it an excellent building block for cable headend transmitters and receivers, high performance fixed wireless access radios and satellite receivers.

Memec SA, 011 897 8600

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