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B7849

EPCOS
Part Number B7849
Manufacturer EPCOS
Description SAW Components
Published Aug 21, 2007
Detailed Description www.DataSheet4U.com SAW Components SAW Rx Filter WCDMA Band I Series/Type: Ordering code: Date: Version: B7849 B39212...
Datasheet PDF File B7849 PDF File

B7849
B7849

Overview
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 frequency Maximum insertion attenuation 2110.
0 .
.
.
2170.
0 Amplitude ripple (p-p) 2110.
0 .
.
.
2170.
0 Input VSWR 2110.
0 Output VSWR 2110.
0 .
.
.
2170.
0 .
.
.
2170.
0 MHz MHz — — fC αmax MHz ∆α MHz — — — max.
— MHz 1.
6 0.
4 1.
6 1.
5 2.
1 1.
0 2.
1 2.
1 dB dB Output amplitude balance (|S31/S21|) 2110.
0 .
.
.
2170.
0 MHz Output phase balance (φ(S31) – φ(S21)+180˚) 2110.
0 Attenuation 0.
0 1920.
0 1980.
0 2025.
0 2230.
0 2255.
0 2402.
0 2480.
0 4030.
0 4150.
0 4220.
0 4340.
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