Hittite Microwave Corp. in Chelmsford, Mass., is introducing the HMC711LC5 surface-mount gallium arsenide monolithic microwave integrated circuit (GaAs MMIC) sub-harmonic upconverter for military radar, electronic warfare, and electronic intelligence applications from 17.7 to 23.6 GHz. The HMC711LC5 delivers a signal conversion gain of 15 dB and IF bandwidth of DC to 3.5 GHz, and uses a double-balanced mixer driven by an active x2 multiplier and followed by a high linearity amplifier.The RF and microwave device also is for point-to-point radio, satellite communications, test and measurement, and sensors applications. This upconverter accepts LO input frequencies from 9.5 to 13.6 GHz, and LO power levels as low as 0 dBm, allowing it to be driven directly from a synthesizer output. The HMC711LC5 also exhibits +28 dBm output IP3 and +17 dBm output P1dB, and operates from one 5-volt power supply. This high-linearity converter is a much smaller alternative to hybrid style subharmonic upconverter assemblies and it eliminates the need for wire bonding by allowing the use of surface-mount manufacturing techniques. The HMC711LC5 is housed in a leadless RoHS-compliant QFN 5-by-5-millimeter SMT ceramic package, and is specified for operation from -40 to 85 degrees Celsius. For more information, visit Hittite Microwave online at www.hittite.com.
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