Low-IF transceiver IC

27 May 2009 Telecoms, Datacoms, Wireless, IoT

CML Microcircuits has introduced a high performance integrated RF quadrature/low-IF transceiver IC, which features an advanced image-reject up-conversion modulation system and flexible superheterodyne receiver. The new CMX991 is specifically tailored for flexible operation from 1 GHz right down to 100 MHz, and suits both narrowband and wideband wireless products – up to 2 MHz RF channels, including multimode analog/digital terminals, digital software defined radio (SDR) for portable, mobile and base station designs. Features include excellent intermodulation performance, on-chip 1st mixer, direct access to transmit and receive IF sections and a flexible selection of external components for multimode operation. A low IF output mode is supported in the receiver for designers using ‘sample at IF’ techniques.

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