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Amplifiers / Passive Components / Semiconductors / Integrated Circuits

Wideband Amplifiers Feature Ultra Low Phase Noise

January 17, 2011
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Hittite Microwave Corporation, the world class supplier of complete MMIC based solutions for communication & military markets, has introduced the company’s first Broadband, Ultra Low Phase Noise Distributed MMIC Amplifiers, which are ideal for military, space, test equipment and fiber optic applications from 2 to 18 GHz. The HMC606 and HMC606LC5 are GaAs InGaP HBT MMIC Distributed Amplifiers which deliver a typical small signal gain of 13.5 dB, and input and output return losses of 20 dB at mid-band. These amplifiers deliver phase noise performance which represents a significant improvement over equivalent FET-based distributed amplifiers. Measured with a -1dBm input signal at 4 GHz, the HMC606 and HMC606LC5 exhibit excellent phase noise performance of -153 dBc/Hz and -157 dBc/Hz at 1 kHz and 10 kHz offset respectively. With a -2 dBm input signal at 12 GHz, the HMC606 and HMC606LC5 exhibit phase noise of -151 and -160 dBc/Hz at 1kHz and 10 kHz offset respectively. The HMC606 and HMC606LC5 offer a mid-band noise figure of 4.5 dB and an Output P1dB of +15 dBm, while their self-biased topology consumes only 64 mA from a +5V single supply. The HMC606 and HMC606LC5 are also ideal for synthesizer applications, or they may be combined with Hittite’s broad line of Frequency Multiplier and VCO products to build high performance LO distribution and multiplication chains. The HMC606LC5 is housed in a 5 x 5 mm ceramic leadless surface mount package and specified for operation over -40°C to +85°C. For hybrid MIC and MCM assembly applications the HMC606 die is available and specified for operation over the -55°C to +85°C temperature range. Die, SMT and evaluation PC boards are available from stock. Detailed datasheets may be found at www.hittite.com.

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