SAW Components Data Sheet B3892 SAW Components B3892 Low-Loss Filter 248,6 MHz Data Sheet Ceramic package DCC12A Features 7,62 1,0 1 2 3 4 5 2,3 Low-loss IF filter for GSM-EDGE base station Temperature stable Balanced or unbalanced operation possible Ceramic SMD package 1,7 ● ● ● ● bottom view Terminals 10 ● Gold plated 9 8 7 6 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 Ordering code B3892 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 2 ˚C ˚C V dBm dBm Jul 16, 2004 t <= 100 hours SAW Components B3892 Low-Loss Filter 248,6 MHz Data Sheet Characteristics T = -5 ˚C to 75 ˚C ZS = 50 Ω and matching network ZL = 50 Ω and matching network Operating temperature: Terminating source impedance: Terminating load impedance: Nominal frequency fN Minimum insertion attenuation (including losses in matching network) αmin min. typ. max. — 248,6 — MHz — 4,7 6,0 dB — kHz Passband width αrel ≤ 3,0 dB B3,0dB fN ± 100,0 kHz — 0,5 1,0 dB — 0,6 0,7 µs 12 25 45 55 48 48 15 37 50 70 55 60 — — — — — — dB dB dB dB dB dB 55 55 55 55 55 60 65 65 65 65 — — — — — dB dB dB dB dB TCf — –0,036 — ppm/K2 T0 — 35 — ˚C ∆τ Group delay ripple (p-p) fN ± 100,0 kHz Relative attenuation (relative to αmin) 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 αrel fN + 22,80 MHz fN + 52,00 MHz fN + 74,80 MHz fN + 104,0 MHz fN + 126,8 MHz Temperature coefficient of frequency 1) Frequency inversion point 1) Temperature dependence of fc: 430 ∆α Amplitude ripple (p-p) @ @ @ @ @ — fc(T) = fc(T0)(1 + TCf(T – T0)2) 3 Jul 16, 2004 SAW Components B3892 Low-Loss Filter 248,6 MHz Data Sheet Matching network to 50Ω (Element values depend upon PCB layout) Cs4 Ls2 Lp3 Cp1 Cp1 = 16 pF Lp3 = 15 nH Ls2 = 39 nH Cs4 = 15 pF 4 Jul 16, 2004 SAW Components B3892 Low-Loss Filter 248,6 MHz Data Sheet Normalized transfer function: Normalized transfer function (pass band): 5 Jul 16, 2004 SAW Components B3892 Low-Loss Filter 248,6 MHz Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS P.O. Box 80 17 09, 81617 Munich, GERMANY 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