Send til en ven   Udskriv10/10 2011 kl. 8:03

Tyndfilms teknologi baner vej for ultrakompakte båndpass filtre

TDK-EPC benytter tynfilmsteknologi i industriens angiveligt mindste båndpass filtre med terminaler på bunden (in english).

TDK-EPC presents the new TFSB series of TDK thin-film band pass filters, which with a footprint of 1.0 x 0.5 mm2 and an insertion height of just 0.3 mm are the world’s smallest, the company claims.

Thanks to their innovative terminal configuration on their bottom surface the footprint of the low-profile 1005 components is about 50 percent less than for conventional filters. The new filters are designed for the 2.4 GHz and 5 GHz bands, making them suitable for Bluetooth and WLAN applications in smartphones and other mobile phones. Mass production has started in September 2011.

The new filters achieve low-loss signal transmission and high attenuation of unwanted signals, resulting in a high signal quality. The band pass filters were developed by using a thin-film micro-wiring technology that TDK developed for the manufacturing of magnetic heads for hard disk drives.

This technology enables the successful combination of outstanding performance characteristics with small dimensions and a low-profile form factor, making the product ideal for RF modules designed for smartphones and other advanced mobile phones. The operating temperature range of the product is -40 to +85 ºC.

TDK-EPC is continually expanding its portfolio of RF components based on TDK’s innovative thin-film technology. In addition to the new band pass filters, this product family also includes capacitors, baluns, couplers and diplexers.

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