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SP2T switches handle 100W C.W. RF power

Posted: 04 Jun 2009     Print Version  Bookmark and Share

Keywords:pin diode  SP2T switches  RF power  hybrid manufacturing 

MSW2000 switch

Aeroflex/Metelics has released a family of surface mount, silicon pin diode SP2T switches with power handling capability up to 100W C.W. incident RF power. They are optimised to function in two frequency bands of interest: 20MHz to 700MHz, and 400MHZ to 4000MHz, and are available in compact surface mount packages measuring 8mm x 5mm x 2.5mm.

The MSW2000 series of surface mount pin diode SP2T switches is manufactured using the company's hybrid manufacturing process incorporating high voltage pin diodes and passive devices within a ceramic substrate. Both asymmetrical and symmetrical SP2T topologies are offered.

The asymmetrical SP2T provides Tx/Ant insertion loss of 0.20dB, with 20dB return loss and 40dB Tx/Rx isolation. Ant/Rx loss is similar at 0.3dB and 20dB return loss. Tx/Ant incident power handling is rated at + 50dBm CW (100W) and + 57dBm peak power @ 50µS RF pulse width at 10 per cent duty cycle @ +85°C. IIP3 is better than + 90dBm @ 500MHz. The SP2T switches are capable of operating from + 5V, + 28V, and + 50Vdc power.

These SP2T switches deliver superior low and high signal performance as compared to MMIC devices in QFN packages. They are designed for use in higher power switch applications up to 4GHz, and other applications requiring high volume, surface mount, solder re-flow manufacturing. These products are durable, reliable, and capable of meeting all military, commercial, and industrial environments. They are also RoHS compliant.

Fred Gilligan, director of product development at Aeroflex/Metelics explains, "This surface mount switch product family provides exceptional switching performance vs. comparable MMIC products to meet the growing high volume, high performance requirements in the Military Radio, IED, and WiMAX market segments."

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