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RF/Microwave??

Filters handle multiple networks simultaneously

Posted: 16 Jun 2008 ?? ?Print Version ?Bookmark and Share

Keywords:BAW filters? bulk acoustic wave filter? WiMAX? WLAN?

Skyworks Solutions Inc. recently launched bulk acoustic wave (BAW) filters for customer premise equipment to allow coexistence between WLANs in the home and enterprise, and WiMAX networks, covering wider areas like neighborhoods and cities.

As both networks operate at very closely spaced frequency bands, these BAW filters reject the interfering frequencies while allowing the desired signals to pass for the selected network.

The SKY33107 is a Wi-Fi reject/WiMAX pass, and the SKY33108 is a Wi-Fi pass/WiMAX reject, BAW filter. Both 3mm x 3mm devices have very low in-band insertion loss and I/O return loss. They also exhibit optimum rejectionin the 2.4GHz WLAN band for the SKY33107, and 2.495GHz to 2.69GHz WiMAX band for the SKY33108.

The SKY33107 is intended for use in 2.495GHz to 2.69GHz WiMAX band transmitter applications, which also contain WLAN 802.11 b, g and n transmitters, while the SKY33108 is targeted at 2.4GHz to 2.473GHz Wi-Fi band transmitter applications which also encompass 2.495GHz to 2.69GHz WiMAX transmitters. Both filters can operate over a -20C to 85C temperature range and are available in a Pb-free, RoHS-compliant package.

- Ismini Scouras
eeProductCenter





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