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Test and Measurement Channel

High Isolation SPDT Features Independent Control and 15 GHz Bandwidth

January 17, 2011
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Hittite Microwave Corporation, the world class supplier of complete MMIC based solutions for communication & military markets, announces the release of two new High Isolation SPDT MMIC Switches which are ideal for Test and Measurement, Microwave Radio, Industrial and Military & Space applications from DC to 15 GHz. The HMC607 is a GaAs MMIC High Isolation SPDT Switch Die which is rated from DC to 15 GHz, and exhibits a low 1.5 dB insertion loss, and high 70 dB isolation at midband. This compact MMIC employs a non-reflective topology, and features four separate control lines allowing the user to independently control the series and shunt elements on each side of the switch. As a result, the HMC607 can be configured as a standard SPDT with, or without an “all-off” state, or as an ultra-high isolation SPST. A non-reflective SP4T can be realized with only two HMC607 MMICs, whereas alternative topologies would require three SPDTs. This versatile SPDT MMIC accepts control voltages of 0/-5V, and requires no fixed bias and no external components. For Space, Military, and other High-Rel applications, the HMC607 is also available in a hermetic surface mount package as the HMC607G7. The HMC607G7 is a pin for pin replacement for the discontinued AS406M2-10. Samples and evaluation PC boards for all SMT packaged products 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

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