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| SAW Components Data Sheet B3857 SAW Components Low-Loss Filter Data Sheet B3857 919,5 MHz Ceramic package DCC6C Features Low-loss RF filter for TETRA phone Usable bandwidth 5 MHz No matching required for operation at 50 Package for Surface Mounted Technology (SMT) q Hermetically sealed ceramic package q q q q Terminals q Gold-plated typ. Dimensions in mm, approx. weight 0,037 g Pin configuration 2 5 1, 3, 4, 6 Input Output To be grounded Type B3857 Ordering code B39921-B3857-U410 Marking and Package according to C61157-A7-A67 Packing according to F61074-V8088-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power (cw) TA Tstg VDC Ps -35 / +85 -40 / +85 0 6 C C V dBm source impedance 50 2 May 24, 2002 SAW Components Low-Loss Filter Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: B3857 919,5 MHz TA = 25 10 C ZS = 50 ZL = 50 min. Nominal frequency Maximum insertion attenuation 917,0 MHz ... 922,0 MHz Amplitude ripple (p-p) 917,0 MHz ... 922,0 MHz Group delay ripple (p-p) 917,0 MHz ... 922,0 MHz Return loss (Input and Output) 917,0 MHz ... 922,0 MHz Absolute attenuation 0,1 MHz ... 932,0 MHz ... 937,0 MHz ... 942,0 MHz ... 947,0 MHz ... 2000,0 MHz ... abs 895,0 MHz 937,0 MHz 942,0 MHz 947,0 MHz 2000,0 MHz 4000,0 MHz 12 10 14 18 26 15 typ. 919,5 max. -- MHz fN max -- -- -- -- 1,7 2,8 dB 0,1 1,0 dB 10 30 ns 11,0 15,0 -- dB 40 13 23 28 29 28 -- -- -- -- -- -- dB dB dB dB dB dB Temperature coefficient of frequency TCf -- - 36 -- ppm/K 3 May 24, 2002 SAW Components Low-Loss Filter Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: B3857 919,5 MHz TA = -30 ... +75 C ZS = 50 ZL = 50 min. Nominal frequency Maximum insertion attenuation 917,0 MHz ... 922,0 MHz Amplitude ripple (p-p) 917,0 MHz ... 922,0 MHz Group delay ripple (p-p) 917,0 MHz ... 922,0 MHz Return loss (Input and Output) 917,0 MHz ... 922,0 MHz Absolute attenuation 0,1 MHz ... 932,0 MHz ... 937,0 MHz ... 942,0 MHz ... 947,0 MHz ... 2000,0 MHz ... abs 895,0 MHz 937,0 MHz 942,0 MHz 947,0 MHz 2000,0 MHz 4000,0 MHz 10 8 12 15 26 15 typ. 919,5 max. -- MHz fN max -- -- -- -- 1,9 3,4 dB 0,2 1,3 dB 15 30 ns 10,0 15,0 -- dB 35 10 21 27 29 28 -- -- -- -- -- -- dB dB dB dB dB dB Temperature coefficient of frequency TCf -- - 36 -- ppm/K 4 May 24, 2002 SAW Components Low-Loss Filter Data Sheet Transfer function B3857 919,5 MHz Transfer function (pass band, 25 10 C) 5 May 24, 2002 SAW Components Low-Loss Filter Data Sheet B3857 919,5 MHz Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS P.O. Box 80 17 09, 81617 Munich, GERMANY (c) EPCOS AG 2002. 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 May 24, 2002 |
Price & Availability of B39921-B3857-U410
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