FDK Samples Ultra-Compact Multilayer Low Pass Filter for GSM Mobile Phones

(Product News, 18 Oct 2005)

FDK Corp. is sampling the AMF1005L series, claimed to be world's most compact multilayer low-pass filters for GSM mobile phones.
The AMF1005L series' dimensions of only 1.0 x 0.5 x 0.3 mm was realized through the development of a new alumina ceramic, the optimization of multilayer patterns, low temperature sintering technology and FDK's technical know-how on high frequency multilayer chip inductors.

Compared to conventional GSM mobile phones having a low pass filter circuit, the use of AMF1005L reduces component count to about one-sixth of the number of devices mounted — simplifying circuit design and saving circuit space and cost.

Furthermore, the new product complies with the EU's RoHS Directive, which will be enforced in July 2006.

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