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| SAW Components Data Sheet B7851 SAW Components Low-Loss Filter for Mobile Communication Data Sheet B7851 1960,0 MHz Chip sized 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 PCS systems, receive path Low amplitude ripple Very low insertion loss Usable passband 60 MHz Unbalanced to balanced operation Impedance transform from 50 to 150 Suitable for GPRS class 1 to 12 Package for Surface Mount Technology (SMT) Pb-free 0,38 0,075 0,44 5 4 bottom view 1 0,68 2,0 side view Terminals q Ni, gold-plated 1,4 top view Dimensions in mm, approx. weight 0,007 g Pin configuration 1 3,4 2,5 Input, unbalanced Output, balanced Case ground Type B7851 Ordering code B39202-B7851-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 ESD voltage DC voltage Input Power at GSM850, GSM900 GSM1800, GSM1900 Tx bands T Tstg VMM VDC PIN PIN - 40 / + 85 - 40 / + 85 50 5 15 12 C C V V dBm 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 Jan 12, 2005 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Characteristics Operating Temperature Range: Terminating source impedance: Terminating load impedance: B7851 1960,0 MHz T = 25C ZS = 50 ZL = 150 || 16nH (balanced) min. typ. 1960,0 max. -- MHz Center frequency Maximum insertion attenuation 1930,0 ... 1990,0 Amplitude ripple (p-p) 1930,0 ... 1990,0 Input VSWR 1930,0 ...1990,0 Output VSWR 1930,0 ...1990,0 MHz MHz fC max MHz MHz -- -- 1,4 2,1 dB -- 0,5 1,0 dB -- 1,7 2,0 -- 1,6 2,0 Output phase balance ((S31)-(S21)+180) 1930,0 ... 1990,0 MHz Output amplitude balance (|S31/S21|) 1930,0 ... 1990,0 Attenuation 0,0 1510,0 1830,0 1850,0 1890,0 2010,0 2070,0 2400,0 2500,0 3860,0 3980,0 5790,0 ... 1510,0 ... 1830,0 ... 1850,0 ... 1890,0 ... 1910,0 ... 2070,0 ... 2400,0 ... 2500,0 ... 3860,0 ... 3980,0 ... 5790,0 ... 6000,0 MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz -10 -2/3 10 degree MHz -1,0 -0,5/0,5 1,0 dB 40 30 26 23 13 13 23 35 28 45 28 40 43 35 30 28 18 15 26 48 35 54 48 58 -- -- -- -- -- -- -- -- -- -- -- -- dB dB dB dB dB dB dB dB dB dB dB dB 3 Jan 12, 2005 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Characteristics Operating Temperature Range: Terminating source impedance: Terminating load impedance: B7851 1960,0 MHz T = -20 to +75C ZS = 50 ZL = 150 || 16nH (balanced) min. typ. 1960,0 max. -- MHz Center frequency Maximum insertion attenuation 1930,0 ... 1990,0 Amplitude ripple (p-p) 1930,0 ... 1990,0 Input VSWR 1930,0 ...1990,0 Output VSWR 1930,0 ...1990,0 MHz MHz fC max MHz MHz -- -- 1,6 2,3 dB -- 0,6 1,3 dB -- 1,7 2,0 -- 1,6 2,0 Output phase balance ((S31)-(S21)+180) 1930,0 ... 1990,0 MHz Output amplitude balance (|S31/S21|) 1930,0 ... 1990,0 Attenuation 0,0 1510,0 1830,0 1850,0 1890,0 2010,0 2070,0 2400,0 2500,0 3860,0 3980,0 5790,0 ... 1510,0 ... 1830,0 ... 1850,0 ... 1890,0 ... 1910,0 ... 2070,0 ... 2400,0 ... 2500,0 ... 3860,0 ... 3980,0 ... 5790,0 ... 6000,0 MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz -10 -3/5 10 degree MHz -1,0 -0,6/0,5 1,0 dB 40 30 26 23 12 13 22 35 28 45 28 40 43 35 30 28 18 15 25 48 35 54 48 58 -- -- -- -- -- -- -- -- -- -- -- -- dB dB dB dB dB dB dB dB dB dB dB dB 4 Jan 12, 2005 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Transfer function B7851 1960,0 MHz Transfer function (wide band) 5 Jan 12, 2005 SAW Components Low-Loss Filter for Mobile Communication Data Sheet B7851 1960,0 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 Jan 12, 2005 |
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