Product category:
Frequency Control Components
News Release from: NDK | Subject: SAW filters
Edited by the Electronicstalk Editorial
Team on 21 July 2003
SAWs suit US handsets
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
This article was originally published on Electronicstalk on 16 Nov 2004 at 8.00am (UK)
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Tiny SAW filters add a sense of balance
NDK has released a series of 2.0 x 1.6mm SAW filters that go from unbalanced to balanced operation for mobile phone applications.
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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