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| SAW Components Data Sheet B3892 SAW Components Low-Loss Filter Data Sheet B3892 248,6 MHz Ceramic package DCC12A Features q q q q Low-loss IF filter for GSM-EDGE base station Temperature stable Balanced or unbalanced operation possible Ceramic SMD package 7,62 1,0 1 2 3 4 5 1,7 2,3 bottom view 10 9 8 7 6 Terminals q Gold plated 1,6 3,81 side view 6,5 top view 13,3 Dimensions in mm, approx. weight 0,4 g Pin configuration 1 10 6 5 3, 8 2, 4, 7, 9 Input Input ground Output Output ground Ground Case ground Type B3892 Ordering code B39251-B3892-H510 Marking and Package according to C61157-A7-A94 Packing according to F61074-V8163-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power Source power T Tstg VDC Ps Ps -30 / +80 -40 / +85 0 10 20 C C V dBm dBm t <= 100 hours 2 Jul 16, 2004 SAW Components Low-Loss Filter Data Sheet Characteristics Operating temperature: Terminating source impedance: Terminating load impedance: B3892 248,6 MHz T = -5 C to 75 C ZS = 50 and matching network ZL = 50 and matching network min. typ. 248,6 max. -- MHz Nominal frequency Minimum insertion attenuation (including losses in matching network) Passband width rel 3,0 dB Amplitude ripple (p-p) fN min -- -- 4,7 6,0 dB B3,0dB -- 430 -- kHz fN 100,0 kHz Group delay ripple (p-p) -- 0,5 1,0 dB fN 100,0 kHz Relative attenuation (relative to min) fN 0,33 MHz ... fN 0,60 MHz fN 0,60 MHz ... fN 0,80 MHz fN 0,80 MHz ... fN 1,60 MHz 10,0 MHz ... fN - 29,20 MHz fN - 29,20 MHz ... fN - 1,60 MHz fN + 1,60 MHz ... fN + 100,0 MHz rel -- 0,6 0,7 s 12 25 45 55 48 48 55 55 55 55 55 15 37 50 70 55 60 60 65 65 65 65 -0,036 35 -- -- -- -- -- -- -- -- -- -- -- -- -- dB dB dB dB dB dB dB dB dB dB dB ppm/K2 C @ @ @ @ @ fN + 22,80 MHz fN + 52,00 MHz fN + 74,80 MHz fN + 104,0 MHz fN + 126,8 MHz TCf T0 Temperature coefficient of frequency 1) Frequency inversion point -- -- 1) Temperature dependence of fc: fc(T) = fc(T0)(1 + TCf(T - T0)2) 3 Jul 16, 2004 SAW Components Low-Loss Filter Data Sheet Matching network to 50 (Element values depend upon PCB layout) B3892 248,6 MHz Ls2 Cp1 Cs4 Lp3 Cp1 = 16 pF Ls2 = 39 nH Lp3 = 15 nH Cs4 = 15 pF 4 Jul 16, 2004 SAW Components Low-Loss Filter Data Sheet Normalized transfer function: B3892 248,6 MHz Normalized transfer function (pass band): 5 Jul 16, 2004 SAW Components Low-Loss Filter Data Sheet B3892 248,6 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 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 Jul 16, 2004 |
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