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| SAW Components Data Sheet B7837 SAW Components Low-Loss Filter for Mobile Communication Data Sheet B7837 942,5 MHz Chip Size SAW package QCS5E Features q Low-loss RF filter for mobile telephone q q q q q q q q 0.735 0,075 2 3 EGSM system, receive path Very low insertion attenuation Low amplitude ripple Usable passband 35 MHz Unbalanced to balanced operation Impedance transformation from 50 to 150 Suitable for GPRS class 1 to 12 Package for Surface Mounted Technology (SMT) Pb-free 0,38 0,075 0,44 5 4 bottom view 1 0,68 2,0 side view Terminals 1,4 Input, unbalanced Output, balanced Case ground Marking and Package according to C61157-A7-A131 q Ni, gold-plated top view Dimensions in mm, approx. weight 0,007g Pin configuration 1 3, 4 2, 5 Type B7837 Ordering code B39941-B7837-K410 Packing according to F61074-V8151-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage ESD voltage Input Power at GSM850, GSM900 GSM1800, GSM1900 Tx bands T Tstg VDC VESD PIN - 30 / + 85 - 40 / + 85 5 100* 15 C C V V dBm machine model, 10 pulses peak power of GSM signal, duty cycle 4:8 * - acc. to JESD22-A115A (Machine Model), 10 negative & 10 positive pulses 2 Mar 31 2004 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: B7837 942,5 MHz T = 25 C ZS = 50 ZL = 150 || 82 nH (balanced) min. typ. 942,5 max. -- MHz Center frequency Maximum insertion attenuation 925,0 ... 960,0 Amplitude ripple (p-p) 925,0 ... 960,0 Input VSWR 925,0 ... 960,0 Output VSWR 925,0 ... 960,0 Attenuation 0,0 480,0 905,0 980,0 1000,0 1850,0 ... 480,0 MHz ... 905,0 MHz ... 915,0 MHz ...1000,0 MHz ...1850,0MHz ...6000,0MHz MHz MHz MHz fC max MHz -- -- 1,4 1,7 dB -- 0,7 1,0 dB -- 1,8 2,0 -- 1,8 2,0 45 30 25 25 28 40 53 34 27 29 38 44 -- -- -- -- -- -- dB dB dB dB dB dB Amplitude balance (|S31/S21|) 925,0 ... 960,0 phase balance ((S31)-(S21)+180) 925,0 ... 960,0 Diff. to common mode suppression 925,0 ... 960,0 824,0 ... 995,0 1648,0 ... 1990,0 3296,0 ... 3980,0 MHz -1,0 -0,5 / +0,7 1,0 dB MHz Ssc12 MHz MHz MHz MHz -5 -3 / +2 5 degree 22 22 22 20 29 29 45 48 -- -- -- -- dB dB dB dB 3 Mar 31 2004 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: B7837 942,5 MHz T = -10 to +80 C ZS = 50 ZL = 150 || 82 nH (balanced) min. typ. 942,5 max. -- MHz Center frequency Maximum insertion attenuation 925,0 ... 960,0 Amplitude ripple (p-p) 925,0 ... 960,0 Input VSWR 925,0 ... 960,0 Output VSWR 925,0 ... 960,0 Attenuation 0,0 480,0 905,0 980,0 1000,0 1850,0 ... 480,0 MHz ... 905,0 MHz ... 915,0 MHz ...1000,0 MHz ...1850,0MHz ...6000,0MHz MHz MHz MHz fC max MHz -- -- 1,5 2,01) dB -- 0,8 1,2 dB -- 1,8 2,0 -- 1,8 2,0 45 30 202) 25 28 40 53 34 27 29 38 44 -- -- -- -- -- -- dB dB dB dB dB dB Amplitude balance (|S31/S21|) 925,0 ... 960,0 phase balance ((S31)-(S21)+180) 925,0 ... 960,0 Diff. to common mode suppression 925,0 ... 960,0 824,0 ... 995,0 1648,0 ... 1990,0 3296,0 ... 3980,0 MHz -1,0 -0,5 / +0,7 1,0 dB MHz Ssc12 MHz MHz MHz MHz -5 -3 / +2 5 degree 22 22 22 20 29 29 45 48 -- -- -- -- dB dB dB dB 1) 2) 2,2 dB for T= -30C to +85C 17 dB for T= -30C to +85C 4 Mar 31 2004 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Transfer function (passband) B7837 942,5 MHz Transfer function (wideband) 5 Mar 31 2004 SAW Components Low-Loss Filter for Mobile Communication Data Sheet B7837 942,5 MHz Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC WT P.O. Box 80 17 09, 81617 Munich, GERMANY (c) EPCOS AG 2004. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS' prior express consent is prohibited. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers' Association), unless otherwise agreed. This brochure replaces the previous edition. 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 Mar 31 2004 |
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