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Wideband RF quadrature modulator targets wireless infrastructure


CML Microsystems MX993W highly integrated wideband quadrature modulator provides 30MHz to 1GHz operation with excellent wideband noise performance across multiple modulations and bandwidths. Device provides translation from baseband I/Q signals to a modulated RF signal; the wideband inputs (up to 100MHz) can be driven single-ended or differentially for optimum performance. Product has two integrated and matched double-balanced mixers, driven from a buffered, quadrature, split local oscillator. The LO frequency is divided by either 2 or 4, with mixers forming an I/Q vector modulator with programmable gain stages (offering a desirable 30dB of gain control in 2.5dB step increments).

http://www.cmlmicro.com


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