SAW Components Data Sheet B3825 SAW Components B3825 Low-Loss Filter 380,00 MHz Data Sheet Ceramic package QCC12C Features 10 111 000 00 11 000 111 00 11 000 111 00 11 000 000 111 00 11 111 00 11 00 11 000 111 11 00 00 11 000 111 00 11 000 11 111 00 00 11 00 11 9 8 7 bottom view 6 5 4 12 11 2 3 11 00 11 00 00 11 00 00 11 11 00 11 11 00 11 00 00 11 00 11 00 11 00 11 2,54 1 000 111 000 111 000 111 111 000 000 111 000 111 000 111 000 111 000 000 111 111 1,0 2,54 IF low-loss filter for base stations Channel selection in W-CDMA systems Balanced and unbalanced operation possible 3,84 MHz usable bandwidth Ceramic SMD package 1,4 ■ ■ ■ ■ ■ 0,6 Terminals 1,48 000 111 111 000 000 111 000 111 111 000 00 11 11 00 00 11 00 11 11 00 5,0 ■ Gold plated 00 11 11 00 00 11 00 11 11 00 side view top view 7,0 Dim. in mm, aprox. weight 0,22 g Pin configuration 12 10 6 4 1, 2, 7, 8 3, 9 Input Input ground or balanced input Output Output ground or balanced output to be grounded Case - ground Type Ordering code B3825 B39381-B3825-H310 Marking and Package according to C61157-A7-A95 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power T Tstg VDC Ps – 40/+ 85 – 40/+ 85 0 10 2 ˚C ˚C V dBm April 26, 2005 Packing according to F61074-V8170-Z000 SAW Components B3825 Low-Loss Filter 380,00 MHz Data Sheet Characteristics (unbalanced operation) Operating temperature: Terminating source impedance: Terminating load impedance: T = -25 to +85 ˚C ZS = 577 Ω || 20 nH ZL = 817 Ω || 21 nH Nominal frequency fN Minimum insertion attenuation (including matching network 1)) αmin min. typ. max. — 380,0 — MHz dB 8,0 8,9 10,0 4,9 5,1 5,3 MHz 0,2 1,0 1,2 dB 3,0 5,0 7,0 ˚ B3,0dB Passband width αrel ≤ 3,0 dB ∆α Amplitude ripple (p-p) fN ± 1,92 MHz ∆ϕ Phase ripple (p-p) fN ± 1,92 MHz τ Absolute group delay @fN 360 460 560 ns 40 80 180 ns 440 460 480 ns 24 32 39 dB f1 = 360 MHz, input power 0 dBm f2 = 370 MHz, input power 0 dBm @fN -120 -95 -85 dBm f1 = 360 MHz, input power -5 dBm f2 = 370 MHz, input power -5 dBm @fN -135 -110 -100 dBm ∆τ Group delay ripple (p-p) fN ± 1,92 MHz Mean value of absolute group delay fN ± 1,92 MHz τ Adjacent channel selectivity ACS Intermodulation IM3 3 April 26, 2005 SAW Components B3825 Low-Loss Filter 380,00 MHz Data Sheet min. typ. max. f1 = 390 MHz, input power 0 dBm f2 = 400 MHz, input power 0 dBm @fN -120 -95 -85 dBm f1 = 390 MHz, input power -5 dBm f2 = 400 MHz, input power -5 dBm @fN -135 -110 -100 dBm Minimum relative attenuation (relative to αmin) αrel at fN - 5,0 MHz at fN + 5,0 MHz DC ... fN - 20,0 MHz fN - 20,0 MHz ... fN - 17,5 MHz fN - 17,5 MHz ... fN - 13,5 MHz fN - 13,5 MHz ... fN - 7,5 MHz fN - 7,5 MHz ... fN - 4,1 MHz fN - 4,1 MHz ... fN - 3,2 MHz fN + 3,2 MHz ... fN + 4,1 MHz fN + 4,1 MHz ... fN + 5,0 MHz fN + 5,0 MHz ... fN + 8,0 MHz fN + 8,0 MHz ... fN + 10,5 MHz fN + 10,5 MHz ... fN + 17,5 MHz fN + 17,5 MHz ... fN + 20,0 MHz fN + 20,0 MHz ... fN +100,0 MHz 37 40 42 35 42 38 35 20 20 34 37 32 39 35 40 40 45 46 38 45 40 38 22 23 37 39 35 42 38 43 50 50 55 45 55 45 45 40 40 45 45 45 50 45 55 dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB Impedance at fN (without matching) Input: ZIN = RIN || CIN Output: ZOUT= ROUT || COUT — — 795 || 6 652 || 6 — — Ω || pF Ω || pF Temperature coefficient of frequency 2) Turnover temperature 1) Matching TCf — –0,036 — ppm/K2 T0 — 25 — ˚C inductor Q=40 2) Temperature dependance of fc: fc(TA) = fc(T0)(1 + TCf(TA – T0)2) 4 April 26, 2005 SAW Components B3825 Low-Loss Filter 380,00 MHz Data Sheet Matching network (Element values depend upon PCB layout) Ls1 = 68 nH Lp3 = 27 nH Lp2 = 27 nH Ls4 = 82 nH 5 April 26, 2005 SAW Components B3825 Low-Loss Filter 380,00 MHz Data Sheet Normalized frequency response Normalized frequency response (pass band) 6 April 26, 2005 SAW Components B3825 Low-Loss Filter 380,00 MHz Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC PD P.O. Box 80 17 09, D-81617 München EPCOS AG 2005. 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 April 26, 2005