SAWs suit US handsets
A NDK product story
Edited by the Electronicstalk editorial team Jul 21, 2003
A new series of SAW filters is designed to meet North American mobile phone standards.
A new series of SAW (surface acoustic wave) filters is designed to meet North American mobile phone standards.
These devices feature low insertion loss, are lightweight, and come in a compact SMD plastic package measuring only 2.5 x 2.0 x 1.15mm.
The WF617A SAW filter has a centre frequency of 836.5MHz for GSM850 (transmit) applications, with an operating temperature range of -30 to +85C.
The WF617B SAW filter has a centre frequency of 881.5MHz for GSM850 (receive) applications, with an operating temperature range of -30 to +85C.
The WF642B SAW balance filter has a centre frequency of 881.5MHz for GSM850 (receive) applications, with an operating temperature range of -20 to +70C.
The WF627A SAW filter has a centre frequency of 1880MHz for PCS (transmit) applications, with an operating temperature range of -40 to +85C.
The WF627B SAW filter has a centre frequency of 1960MHz for PCS1960 (receive) applications, with an operating temperature range of -40 to +85C.
The WF679B SAW balance filter has a centre frequency of 1960MHz for PCS1960 (receive) applications, with an operating temperature range of -20 to +70C.
The WF619H SAW filter has a centre frequency of 1575.42MHz for GPS (receive) applications, with an operating temperature range of -30 to +85C.
The WF619D SAW balance filter has a centre frequency of 1575.42MHz for GPS (receive) applications, with an operating temperature range of -30 to +85C.
All these SAW devices are lead-free.
The typical insertion loss in pass band ranges from 1.6 to 3dB, depending on the product.
"These new products developed by NDK's, NRS Technologies, who is a new joint venture company by NDK and NEC, demonstrates our commitment to supporting the mobile phone market", said Mike Walczak, President, NDK America.
Production delivery for any of these mobile phone SAW devices is 8 to 10 weeks.
Cost for the model WF617 in quantities of 10,000 pieces is $0.45 each.
Samples of popular frequencies are available from stock and can be ordered online.
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