SAW Components Data Sheet B7837 SAW Components Low-Loss Filter for Mobile Communication B7837 942,5 MHz Data Sheet Chip Size SAW package QCS5E Features 0.735 0,38 5 0,44 3 1 2 bottom view 0,68 ● EGSM system, receive path Very low insertion attenuation Low amplitude ripple Usable passband 35 MHz Unbalanced to balanced operation Impedance transformation from 50 Ω to 150 Ω Suitable for GPRS class 1 to 12 Package for Surface Mounted Technology (SMT) Pb-free 0,075 ● ● ● ● ● ● ● 0,075 side view 1,4 ● Low-loss RF filter for mobile telephone top view 4 2,0 Terminals ● Ni, gold-plated Dimensions in mm, approx. weight 0,007g Pin configuration 1 3, 4 2, 5 Input, unbalanced Output, balanced Case ground Type Ordering code B7837 B39941-B7837-K410 Marking and Package according to C61157-A7-A131 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 B7837 942,5 MHz Low-Loss Filter for Mobile Communication Data Sheet Characteristics T = 25 ˚C ZS = 50 Ω ZL = 150 Ω || 82 nH (balanced) Operating temperature range: Terminating source impedance: Terminating load impedance: Center frequency fC Maximum insertion attenuation 925,0 ... 960,0 αmax MHz min. typ. max. — 942,5 — — 1,4 1,7 dB dB MHz ∆α Amplitude ripple (p-p) 925,0 ... 960,0 MHz — 0,7 1,0 925,0 ... 960,0 MHz — 1,8 2,0 925,0 ... 960,0 MHz — 1,8 2,0 ... 480,0 MHz ... 905,0 MHz ... 915,0 MHz ...1000,0 MHz ...1850,0MHz ...6000,0MHz 45 30 25 25 28 40 53 34 27 29 38 44 — — — — — — dB dB dB dB dB dB dB Input VSWR Output VSWR Attenuation 0,0 480,0 905,0 980,0 1000,0 1850,0 Amplitude balance (|S31/S21|) 925,0 ... 960,0 MHz -1,0 -0,5 / +0,7 1,0 phase balance (φ(S31)−φ(S21)+180˚) 925,0 ... 960,0 MHz -5 -3 / +2 5 degree Diff. to common mode suppression 925,0 ... 960,0 824,0 ... 995,0 1648,0 ... 1990,0 3296,0 ... 3980,0 MHz MHz MHz MHz 22 22 22 20 29 29 45 48 — — — — dB dB dB dB Ssc12 3 Mar 31 2004 SAW Components Low-Loss Filter for Mobile Communication B7837 942,5 MHz Data Sheet Characteristics T = -10 to +80 ˚C ZS = 50 Ω ZL = 150 Ω || 82 nH (balanced) Operating temperature range: Terminating source impedance: Terminating load impedance: Center frequency fC Maximum insertion attenuation 925,0 ... 960,0 αmax MHz min. typ. max. — 942,5 — — 1,5 2,01) dB MHz ∆α Amplitude ripple (p-p) 925,0 ... 960,0 MHz — 0,8 1,2 925,0 ... 960,0 MHz — 1,8 2,0 925,0 ... 960,0 MHz — 1,8 2,0 dB Input VSWR Output VSWR 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 45 30 202) 25 28 40 53 34 27 29 38 44 — — — — — — dB dB dB dB dB dB dB Amplitude balance (|S31/S21|) 925,0 ... 960,0 MHz -1,0 -0,5 / +0,7 1,0 phase balance (φ(S31)−φ(S21)+180˚) 925,0 ... 960,0 MHz -5 -3 / +2 5 degree 22 22 22 20 29 29 45 48 — — — — dB dB dB dB Diff. to common mode suppression 925,0 ... 960,0 824,0 ... 995,0 1648,0 ... 1990,0 3296,0 ... 3980,0 1) 2) Ssc12 MHz MHz MHz MHz 2,2 dB for T= -30˚C to +85˚C 17 dB for T= -30˚C to +85˚C 4 Mar 31 2004 SAW Components B7837 942,5 MHz Low-Loss Filter for Mobile Communication Data Sheet Transfer function (passband) Transfer function (wideband) 5 Mar 31 2004 SAW Components Low-Loss Filter for Mobile Communication B7837 942,5 MHz Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC WT P.O. Box 80 17 09, 81617 Munich, GERMANY 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