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| SAW Components Data Sheet B7812 SAW Components Low-Loss Filter for Mobile Communication Data Sheet B7812 1747,50 MHz Chip sized SAW package Features q Low-loss RF filter for mobile telephone PCN systems, transmit path q High selectivity q Usable passband 75 MHz q No matching network required for operation at 50 q Ceramic package for Surface Mounted Technology (SMT) Terminals q Ni, gold-plated Dimensions in mm, approx. weight 0,01 g Pin configuration 2 1 3 4 Input Input - ground Output Output - ground Type B7812 Ordering code B39172-B7812-A510 Marking and Package according to C61157-A7-A63 Packing according to F61074-V8099-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Input power max. 1710 ... 1785 MHz elsewhere T Tstg VDC PIN - 20/+ 80 - 40/+ 85 0 5 0 C C V dBm dBm source and load impedance 50 peak power of GSM signal, duty cycle 2 : 8 continuous wave 2 May 17, 2002 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: B7812 1747,50 MHz T = 25 +- 2C ZS = 50 ZL = 50 min. typ. 1747,5 max. -- MHz Center frequency Maximum insertion attenuation 1710,0 ...1785,0 Amplitude ripple (p-p) 1710,0 ...1785,0 Input VSWR 1710,0 ...1785,0 Output VSWR 1710,0 ...1785,0 Attenuation 10,0 1670,0 1805,0 1880,0 3500,0 ...1670,0 ...1690,0 ...1880,0 ...3500,0 ...5200,0 MHz MHz MHz MHz MHz MHz MHz fc max MHz MHz -- -- 2,6 3,0 dB -- 1,2 1,6 dB -- 2,0 2,2 -- 15,0 8,0 8,0 15,0 12,0 2,0 2,2 17,0 17,0 12,0 15,0 14,0 -- -- -- -- -- dB dB dB dB dB 3 May 17, 2002 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: B7812 1747,50 MHz T = -10 to +80C ZS = 50 ZL = 50 min. typ. 1747,5 max. -- MHz Center frequency Maximum insertion attenuation 1710,0 ...1785,0 Amplitude ripple (p-p) 1710,0 ...1785,0 Input VSWR 1710,0 ...1785,0 Output VSWR 1710,0 ...1785,0 Attenuation 10,0 1670,0 1805,0 1880,0 3500,0 ...1670,0 ...1690,0 ...1880,0 ...3500,0 ...5200,0 MHz MHz MHz MHz MHz MHz MHz fc max MHz MHz -- -- 3,0 3,5 dB -- 1,6 2,1 dB -- 2,2 2,4 -- 15,0 6,0 6,0 15,0 12,0 2,2 2,4 17,0 15,0 10,0 15,0 14,0 -- -- -- -- -- dB dB dB dB dB 4 May 17, 2002 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: B7812 1747,50 MHz T = -20 to +70C ZS = 50 ZL = 50 min. typ. 1747,5 max. -- MHz Center frequency Maximum insertion attenuation 1710,0 ...1785,0 Amplitude ripple (p-p) 1710,0 ...1785,0 Input VSWR 1710,0 ...1785,0 Output VSWR 1710,0 ...1785,0 Attenuation 10,0 1670,0 1805,0 1880,0 3500,0 ...1670,0 ...1690,0 ...1880,0 ...3500,0 ...5200,0 MHz MHz MHz MHz MHz MHz MHz fc max MHz MHz -- -- 3,0 3,5 dB -- 1,6 2,1 dB -- 2,2 2,4 -- 15,0 6,0 6,0 15,0 12,0 2,2 2,4 17,0 15,0 10,0 15,0 14,0 -- -- -- -- -- dB dB dB dB dB 5 May 17, 2002 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Transfer function (spec for 25C) B7812 1747,50 MHz Transfer function (wideband) 6 May 17, 2002 SAW Components Low-Loss Filter for Mobile Communication Data Sheet B7812 1747,50 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 May 17, 2002 |
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