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Materials/Packages / Test and Measurement

Wideband Passive GaAs MMIC Mixers

January 17, 2011
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Chelmsford, MA – November 12, 2007 – Hittite Microwave Corporation, the world class supplier of complete MMIC based solutions for communication & military markets, announces the release of four double balanced GaAs MESFET mixers for use in test and measurement systems, military radios, commercial sensors and transceiver infrastructure including critical functions of fixed and mobile protocols such as WiMAX and VSAT applications. The HMC557LC4 is a versatile passive double balanced mixer that provides a LO to RF port isolation of 48dB and an input IP3 of +22dBm across the frequency range of 2.5 to 7 GHz. This mixer delivers a wide IF bandwidth of DC to 3 GHz while maintaining a conversion loss of 7dB. The HMC558LC4 is a passive double balanced mixer that provides an LO to RF port isolation of 45dB and an input IP3 of +24dBm across the frequency range of 5.5 to 14GHz. This mixer is carefully designed to ensure exceptionally wide IF bandwidth of DC to 6 GHz enabling its use in multiple locations within traditional transceiver architectures. Both mixers are also offered in chip form as the HMC557 and the HMC558, and deliver a similar performance to their packaged counterparts. The HMC557LC4 and HMC558LC4 are conveniently housed in 4x4 mm RoHS compliant surface mount packages and specified for operation over -40°C to +85°C. For Hybrid MIC and MCM assembly, the HMC557 and HMC558 die are available and specified for operation over the -55°C to +85°C temperature range. Die, SMT and evaluation PC boards are available from stock and can be ordered via the company’s e-commerce site or via direct purchase order. Released data sheets are available on-line at www.hittite.com.

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