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High linearity InGaP HBT gain block for broadband and wireless infrastructure

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Hittite Microwave Corporation, represented by ASD Technology in Australia and New Zealand has introduced a new, high linearity InGaP HBT gain block MMIC amplifier, which is ideal for IF and RF applications from DC to 4.5 GHz, including cellular/PCS/3G, broadband, WiBro and WiMAX.

The HMC475ST89(E) is an InGaP HBT gain block MMIC amplifier, which operates from DC to 4.5 GHz, and features high output P1dB of +22 dBm, high output IP3 of +35 dBm, and up to 22 dB of small signal gain. The HMC475ST89(E) is fully matched to 50 Ohms, and is ideal as a cascadeable gain stage in IF, RF, and PA pre-driver amplifier applications in Cellular/PCS/3G, Broadband, Wibro and WiMAX systems.

This versatile InGaP HBT gain block amplifier is housed in an industry standard and RoHS compliant SOT89 E SMT package, and shares a common pinout within Hittite’s broad line of SiGe and InGaP HBT gain block amplifiers. The HMC475ST89(E) operates from single +8V supply and consumes only 110 mA of current. 

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