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| SAW Components Data Sheet B7748 SAW Components Low-Loss Filter for Mobile Communication Data Sheet B7748 836,5 MHz Chip sized SAW package DCS4E Features q q q q q Low-loss RF filter for cell system, transmit path High counterband suppression Usable passband 25 MHz Unbalanced/unbalanced operation Package size: 2 mm x 2.5 mm (4 pin, diagonal pinning) Terminals q Ni, gold-plated Dimensions in mm, approx weight 0,012g Pin configuration 1 3 2,4 Input Output Ground 1 3 4 2 Type B7748 Ordering code B39841-B7748-E510 Marking and Package according to C61157-A7-A121 Packing according to F61074-V8153-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage ESD voltage Source power T Tstg VDC VESD Ps - 30 / + 85 - 40 / + 85 3 50 16 C C V V dBm source impedance 50 2 Aug 22, 2003 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: B7748 836,5 MHz T = -30 to +85 C ZS = 50 ZL = 50 min. typ. 836,5 max. -- MHz Center frequency Maximum insertion attenuation 824,0 ... 849,0 MHz Ripple 824,0 ... 849,0 MHz Input return loss @ 50 Ohm 824,0 ... 849,0 MHz Output return loss @ 50 Ohm 824,0 ... 849,0 MHz Attenuation 0,0 779,0 869,0 894,0 1029,0 1209,0 1306,0 1698,0 2547,0 ... 779,0 ... 804,0 ... 894,0 ...1029,0 ...1209,0 ...1306,0 ...1698,0 ...2547,0 ...5000,0 MHz MHz MHz MHz MHz MHz MHz MHz MHz fC max -- -- p-p -- 2,0 2,5 dB 1,3 1,7 dB 11 11 32 38 39 35 35 33 33 30 25 12 12 ----- dB dB 37 45 46 40 39 39 43 38 30 -- -- -- -- -- -- -- -- -- dB dB dB dB dB dB dB dB dB 3 Aug 22, 2003 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Transfer function: B7748 836,5 MHz Transfer function (wide band): 4 Aug 22, 2003 SAW Components Low-Loss Filter for Mobile Communication Data Sheet B7748 836,5 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 2003. 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. 5 Aug 22, 2003 |
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