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| SAW Components Data Sheet B3861 SAW Components Bandpass Filter Data Sheet B3861 250,0 MHz Ceramic package DCC12A Features 7,62 q q q q IF filter for W-CDMA base station Usable bandwidth 4,0 MHz Temperature stable Ceramic SMD package 1,0 1 2 3 4 5 1,7 2,3 bottom view 10 9 8 7 6 Terminals 1,6 3,81 q Gold plated side view 6,5 top view 13,3 Dimensions in mm, appr. weight 0,4 g Pin configuration 10 1 5 6 2, 4, 7, 9 3, 8 Input Input ground Output Output ground Case ground To be grounded Type B3861 Ordering code B39251-B3861-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 (average) (peak < 10ns) TA Tstg VDC Ps -40 / +85 -40 / +85 0 10 20 C C V dBm dBm 2 Sep 24, 2002 SAW Components Bandpass Filter Data Sheet Characteristics Operating temperature: Terminating source impedance: Terminating load impedance: Group delay aperture: B3861 250,0 MHz TA = -10 ... +85 C ZS = 50 and matching network ZL = 50 and matching network 125 kHz min. typ. 250,0 16,3 max. -- 19,0 MHz dB Nominal frequency fN -- -- Maximum insertion attenuation in passband1) max (including matching network) Passband width rel 1 dB Amplitude ripple (p-p) B1dB 4,0 4,2 -- MHz fN 2,0 MHz Group delay ripple (p-p) -- 0,5 1,0 dB fN 2,0 MHz Relative attenuation (relative to fN) fN 3,0 MHz ... fN 3,5 MHz fN 3,5 MHz ... fN 4,0 MHz fN 4,0 MHz ... fN 6,0 MHz fN + 6,0 MHz ... fN + 12,5 MHz fN + 12,5 MHz ... fN + 14,3 MHz fN + 13,4 MHz fN + 14,3 MHz ... fN + 24,6 MHz fN + 24,6 MHz ... fN + 29,0 MHz 0,1 MHz ... 244 MHz 279 MHz ... 2,5 GHz VSWR rel -- 120 150 ns 11 21 24 40 54 54 40 54 40 30 -- 15 35 35 45 57 65 47 57 50 40 1,5:1 -- -- -- -- -- -- -- -- -- dB dB dB dB dB dB dB dB dB fN 2,0 MHz 2:1 1) matched with coilcraft CS0805 inductors 3 Sep 24, 2002 SAW Components Bandpass Filter Data Sheet B3861 250,0 MHz min. Impedance at fN (without matching) Input: ZIN = RIN || CIN Output: ZOUT= ROUT || COUT Temperature coefficient of frequency2) Turnover temperature 2) Temperature typ. 2,3 || 4,1 1,3 || 12,2 - 0,036 17 max. -- -- -- -- k || pF k || pF ppm/K2 C -- -- TCf T0 -- -- dependance of fc: fc(TA) = fc(T0)(1 + TCf(TA - T0)2) Matching network to 50 (element values depend on pcb layout) Ls2 Ls5 Lp1 Cp1 Lp3 Lp4 Cp6 Lp1 = 27 nH Ls2 = 120 nH Lp3 = 100 nH Lp4 = 33 nH Ls5 = 120 nH Cp6 = 2,7 pF 4 Sep 24, 2002 SAW Components Bandpass Filter Data Sheet Normalized frequency response B3861 250,0 MHz Normalized frequency response 5 Sep 24, 2002 SAW Components Bandpass Filter Data Sheet B3861 250,0 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 Sep 24, 2002 |
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