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| SAW Components Data Sheet B7745 SAW Components Low-Loss Filter for Mobile Communication Data Sheet B7745 1950,0 MHz Chip Sized SAW Package DCS4D Features s RF filter for mobile telephone 0,1 1 2 0,1 4 3 0,7 2,5 UMTS systems, transmit path s Low insertion loss, low amplitude ripple s Usable passband 60 MHz s Package for Surface Mounted Technology (SMT) Terminals s Gold-plated Ni Dimensions in mm, approx. weight 0,015 g Pin configuration 1 3 2,4 Input Output Ground 1 4 3 2 Type B7745 Ordering code Marking and Package according to C61157-A7-A89 Packing according to F61074-V8125-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operating temperature range Storage temperature range DC voltage Input Power max. T Tstg VDC PIN - 20/ +85 - 40/ +85 3 8 C C V dBm 2 August 02, 2002 2,0 0,8 0,6 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Characteristics Operating temperature range : Terminating source impedance: Terminating load impedance: B7745 1950,0 MHz T = 25 C ZS = 50 ZL = 50 min. typ. 1950,0 max. -- MHz Center frequency Maximum insertion attenuation 1920,0... 1980,0 MHz Amplitude ripple (p-p) 1920,0... 1980,0 fC max -- -- 2,4 2,6 dB MHz -- 1,0 1,2 dB Absolute attenuation DC.. 1000,0 MHz 1000,0.. 1600,0 MHz 1705,0.. 1715,0 MHz 1805,0.. 1880,0 MHz 2110,0... 2170,0 MHz 2300,0... 2360,0 MHz 2490,0... 2550,0 MHz 2680,0... 2740,0 MHz 3060,0... 3120,0 MHz 3840,0... 3960,0 MHz 4000,0... 6000,0 MHz Input VSWR 1920,0... Output VSWR 1920,0... 36 35 30 23 28 31 33 35 31 27 20 40 38 34 27 31 34 37 40 35 33 27 -- -- -- -- -- -- -- -- -- -- -- dB dB dB dB dB dB dB dB dB dB dB 1980,0 MHz -- 1,6 1,8 1980,0 MHz -- 1,8 2,0 3 August 02, 2002 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Characteristics Operating temperature range : Terminating source impedance: Terminating load impedance: B7745 1950,0 MHz T = -20 to +75 C ZS = 50 ZL = 50 min. typ. 1950,0 max. -- MHz Center frequency Maximum insertion attenuation 1920,0... 1980,0 MHz Amplitude ripple (p-p) 1920,0... 1980,0 Absolute attenuation DC.. 1000,0 1000,0.. 1600,0 1705,0.. 1715,0 1805,0.. 1880,0 2110,0... 2170,0 2300,0... 2360,0 2490,0... 2550,0 2680,0... 2740,0 3060,0... 3120,0 3840,0... 3960,0 4000,0... 6000,0 Input VSWR 1920,0... Output VSWR 1920,0... fC max -- -- 2,4 2,8 dB MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz -- 1,0 1,4 dB 36 35 30 22 28 31 33 35 31 27 20 40 38 34 26 31 34 37 40 35 33 27 -- -- -- -- -- -- -- -- -- -- -- dB dB dB dB dB dB dB dB dB dB dB 1980,0 MHz -- 1,7 2,0 1980,0 MHz -- 1,9 2,2 4 August 02, 2002 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Characteristics Operating temperature range : Terminating source impedance: Terminating load impedance: B7745 1950,0 MHz T = -10 to +85 C ZS = 50 ZL = 50 min. typ. 1950,0 max. -- MHz Center frequency Maximum insertion attenuation 1920,0... 1980,0 MHz Amplitude ripple (p-p) 1920,0... 1980,0 Absolute attenuation DC.. 1000,0 1000,0.. 1600,0 1705,0.. 1715,0 1805,0.. 1880,0 2110,0... 2170,0 2300,0... 2360,0 2490,0... 2550,0 2680,0... 2740,0 3060,0... 3120,0 3840,0... 3960,0 4000,0... 6000,0 fC max -- -- 2,5 2,9 dB MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz -- 1,1 1,5 dB 36 35 30 22 28 31 33 35 31 27 20 40 38 34 26 31 34 37 40 35 33 27 -- -- -- -- -- -- -- -- -- -- -- dB dB dB dB dB dB dB dB dB dB dB Input VSWR 1920,0... Output VSWR 1920,0... 1980,0 MHz -- 1,7 2,0 1980,0 MHz -- 2,0 2,2 5 August 02, 2002 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Transfer function (spec. for 25C) B7745 1950,0 MHz 6 August 02, 2002 SAW Components Low-Loss Filter for Mobile Communication Data Sheet B7745 1950,0 MHz Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC WT P.O. Box 80 17 09, D-81617 Munchen (c) EPCOS AG 2002. All Rights Reserved. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS' prior express consent is prohibited. The information contained in this brochure describes the type of component and shall not be considered as guaranteed characteristics. 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. 7 August 02, 2002 |
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