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| SAW Components Data Sheet B4943 SAW Components Low-Loss Filter for Mobile Communication Data Sheet B4943 85,38 MHz SMD ceramic package QCC10C Features s s s s s s s IF filter for mobile telephone Channel selection in CDMA systems Balanced or unbalanced operation possible High rejection, small size Low amplitude ripple Filter surface passivated Package for Surface Mounted Technology (SMT) Terminals s Ni, gold plated Dimensions in mm, approx. weight 0,24 g Pin configuration 10 9 5 4 2, 7 1, 3, 6, 8 Input Balanced input or input ground Output Balanced output or output ground Case ground Not connected Type B4943 Ordering code B39850-B4943-U910 Marking and Package according to C61157-A7-A73 Packing according to F61074-V8105-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power T Tstg VDC Ps - 40/+ 85 - 40/+ 85 13 10 C C V dBm 2 Dec 01, 2000 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: B4943 85,38 MHz T = -35C .. +85 C ZS = 1975 || 340 nH ZL = 1600 || 350 nH min. typ. 85,38 10,0 max. -- 11,5 MHz dB Nominal frequency Minimum insertion attenuation (including loss in matching network without loss in balun) fN min -- -- Amplitude ripple fN - 0,3 MHz ... fN + 0,3 MHz -- 0,5 0,8 dB Phase linearity (rms deviation) fN - 0,63 MHz ... fN + 0,63 MHz Relative attenuation (relative to min) fN 0,63 MHz rel -- 2,5 3,5 -- 35 35 35 38 38 35 35 38 4,0 41 55 39 44 -- -- -- -- 5,0 -- -- -- -- -- -- -- -- dB dB dB dB dB dB dB dB dB fN - 0,9 fN + 0,9 fN - 1,7 fN + 1,7 fN - 9,0 fN - 2,0 fN + 0,9 fN + 1,7 MHz MHz MHz MHz MHz MHz MHz MHz ... ... ... ... fN - 2,0 fN - 0,9 fN + 1,7 fN + 9,0 MHz MHz MHz MHz 3 Dec 01, 2000 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Normalized transfer function (balanced/balanced) B4943 85,38 MHz Normalized transfer function (passband, balanced/balanced): 4 Dec 01, 2000 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Normalized transfer function (wideband, balanced/balanced) B4943 85,38 MHz 5 Dec 01, 2000 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Test matching network to 200 / 200 (Element values depend on pcb layout) B4943 85,38 MHz Cs1= 3,9 pF || 2,2 pF Cs2= 6,8 pF Lp1 = 220 nH || 1 pF Lp2 = 220 nH || 1,5 pF Cs3 = 5,6 pF Cs4 = 6,8 pF Published by EPCOS AG Surface Acoustic Wave Components Division, OFW E MF P.O. Box 80 17 09, D-81617 Munchen (c) EPCOS AG 1999. All Rights Reserved. As far as patents or other rights of third parties are concerned, liability is only assumed for components per se, not for applications, processes and circuits implemented within components or assemblies. The information describes the type of component and shall not be considered as assured characteristics. Terms of delivery and rights to change design reserved. For questions on technology, prices and delivery please contact the sales offices of EPCOS AG or the international representatives. Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our sales offices. 6 Dec 01, 2000 |
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