SAW Components
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SAW Components
SAW Rx Filter
WCDMA Band I
Series/Type: Ordering code: Date: Version:
B7849 B39212...
Description
www.DataSheet4U.com
SAW Components
SAW Rx Filter
WCDMA Band I
Series/Type: Ordering code: Date: Version:
B7849 B39212B7849K410 May 19, 2006 2.0
© EPCOS AG 2006. Reproduction, publication and dissemination of this data sheet, enclosures hereto and the information contained therein without EPCOS’ prior express consent is prohibited.
SAW Components SAW Filter Data Sheet
Application
s Low-loss RF filter for mobile telephone
B7849 2140.0 MHz
WCDMA systems, receive path (RX) Impedance transform from 50 Ω to 200 Ω Unbalanced to balanced operation Very low insertion attenuation Very high Tx-suppression Passband with very low error vector magnitude (EVM) s Low amplitude ripple s Very low ripple over any 3.84 MHz as well as 5.0 MHz within the passpand s Usable passband 60 MHz
s s s s s
Features Package size 2.0 x1.4 x 0.68 mm3 Package code QCS5E RoHS compliant Approx. weight 0.007 g Package for Surface Mount Technology (SMT) s Ni, gold-plated terminals s Electrostatic Sensitive Device (ESD)
s s s s s
bottom view
side view
top view
Pin configuration
s 1 s 3,4 s 2,5
Input, unbalanced Output balanced To be grounded
Please read cautions and warnings and important notes at the end of this document.
2
May 19, 2006
SAW Components SAW Filter Data Sheet
Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: T = –10 ˚C to +85 ˚C ZS = 50 Ω ZL = 200 Ω || 10 nH (balanced) B7849 typ. @ 25 ˚C 2140.0
B7849 2140.0 MHz
min. Center freque...
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