Mixer features integrated LO driver amplifier

Hittite Microwave Corp. has released a new high-IP3 MMIC mixer with integrated LO amplifier suitable for cellular/3G infrastructure applications from 0.7 to 1.4 GHz. The HMC483MS8G(E) is a high dynamic range MMIC mixer with input IP3 performance of +33 dBm for downconversion and +30 dBm for upconversion, which is achieved from only 0 dBm of LO drive. The high-input P1dB of +24 dBm rivals traditional active FET mixers while offering a much smaller standard IC footprint, according to Hittite. And the wide DC to 350 MHz IF bandwidth will satisfy many GSM and CDMA Tx and Rx frequency plans.

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The HMC483MS8G(E) is pin-for-pin compatible with the HMC485MS8G(E), which is a 1.7 to 2.4 GHz mixer with integrated LO amplifier. Together, these mixers allow designers to use a single PCB layout for 800, 900, 1900 and 2100 MHz applications.

The HMC483MS8G(E) and the HMC485MS8G(E) are housed in RoHS-compliant MSOP8GE packages.

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© 2012 Penton Media Inc.


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