Microsemi launches wireless LAN antenna switch technology

August 22, 2001 – Irvine, CA – Microsemi Corp. has released a complete line of silicon antenna switches to meet the demanding requirements of 802.11a and HiperLAN2 broadband wireless LAN applications.

The NanoMount concept uses a Microsemi patented technology to provide customers with a simple solution that outperforms gallium arsenide MESFET switches, according to the company.

The first NanoMount series of products, called the MNM4200 Series is a self-contained surface mountable PIN diode matrix consisting of four of Microsemi’s patented Silicon MMSM PIN devices on a ceramic substrate. These models offer configurations which emulate “transfer,” “diversity,” “transmit/receive” and single pole double throw (SPDT) switching functions.

The new product is targeted to meet the needs of WLAN applications in the 5GHz to 6GHz range. The MNM4200 Series provides multi-octave microwave performance to as low as 10mHz, according to Microsemi. NanoMount is a wide-bandwidth, high-power solution with isolation as much as 25dB @ 6gHz. Insertion loss is as little as 1dB @ 6gHz.

NanoMount components are available for automatic insertion on tape and reel format and can be attached with most common surface mount techniques using PbSn or other commonly used solder paste and IR or vapor phase soldering processes, Microsemi said. NanoMount is also compatible with conductive epoxy paste attachment.


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