SAW Components Data Sheet B3891 SAW Components B3891 Low-Loss Filter 71,0 MHz Data Sheet Ceramic package DCC12A Features 7,62 1,0 ■ Low-loss IF filter for GSM/EDGE base station, ■ ■ ■ ■ 1 2 3 4 5 2,3 1,7 receive path Usable passband 250 kHz Balanced or unbalanced operation possible Temperature stable Ceramic SMD package bottom view 10 9 8 7 6 3,81 1,6 Terminals side view ■ Gold plated 6,5 top view 13,3 Dim. in mm, aprox. weight 0,4 g Pin configuration 10, 1 5, 6 3, 8 2, 4, 7, 9 Input Output Ground Case ground Type Ordering code B3891 B39710-B3891-H510 Marking and Package according to C61157-A7-A94 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 Feb 24, 2005 Packing according to F61074-V8163-Z000 SAW Components B3891 Low-Loss Filter 71,0 MHz Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: T = 0 .. 70 ˚C ZS = 200 Ω balanced and matching network ZL = 200 Ω balanced and matching network min. typ. max. Nominal frequency fN — 71,0 — Minimum insertion attenuation (including matching network) αmin — 6,5 Passband width B1,0dB αrel ≤ 1 dB 250 290 8,0 MHz dB — kHz 0,6 ± 1,0 dB 2,1 2,3 µs 0,5 1,5 µs ∆α Amplitude ripple fN ± 125 kHz — τN Absolute group delay (at fN) 1,9 ∆τ Group delay ripple (p-p) fN ± 125 kHz Relative attenuation (relative to αmin) fN ± 300 kHz ... fN ± 500 fN ± 500 kHz ... fN ± 700 fN ± 700 kHz ... fN ± 3 @ fN ± 800 kHz fN ± 3 MHz ... fN ± 35 — αrel kHz kHz MHz MHz IM3 level 14 30 39 41 43 18 35 45 45 60 — — — — — dB dB dB dB dB — — -95 dBm — — -95 dBm IM3 f1 = fN- 0,8 MHz, input power -14 dBm f2 = fN- 1,6 MHz, input power -14 dBm @fN f1 = fN+ 0,8 MHz, input power -14 dBm f2 = fN+1,6 MHz, input power -14 dBm @fN Temperature coefficient of frequency 1) Turnover temperature 1) Temperature dependance of fc: TCf — – 0,036 — ppm/K2 T0 — 25 — ˚C fc(TA) = fc(T0)(1 + TCf(TA – T0)2) 3 Feb 24, 2005 SAW Components B3891 Low-Loss Filter 71,0 MHz Data Sheet Characteristics (extended temperature range) Operating temperature range: Terminating source impedance: Terminating load impedance: T = -40 .. +85 ˚C ZS = 200 Ω balanced and matching network ZL = 200 Ω balanced and matching network min. typ. max. Nominal frequency fN — 71,0 — Minimum insertion attenuation (including matching network) αmin — 6,5 Passband width B1,0dB αrel ≤ 1 dB 250 290 8,5 MHz dB — kHz 0,6 ± 1,5 dB 2,1 2,3 µs 0,5 1,5 µs ∆α Amplitude ripple (p-p) fN ± 125 kHz — τN Absolute group delay (at fN) 1,9 ∆τ Group delay ripple (p-p) fN ± 125 kHz Relative attenuation (relative to αmin) fN ± 300 kHz ... fN ± 500 fN ± 500 kHz ... fN ± 700 fN ± 700 kHz ... fN ± 3 @ fN ± 800 kHz fN ± 3 MHz ... fN ± 35 — αrel kHz kHz MHz MHz IM3 level 12 30 39 41 43 18 35 45 45 60 — — — — — dB dB dB dB dB — — -95 dBm — — -95 dBm IM3 f1 = fN- 0,8 MHz, input power -14 dBm f2 = fN- 1,6 MHz, input power -14 dBm @fN f1 = fN+ 0,8 MHz, input power -14 dBm f2 = fN+1,6 MHz, input power -14 dBm @fN Temperature coefficient of frequency 1) Turnover temperature 1) Temperature dependance of fc: TCf — – 0,036 — ppm/K2 T0 — 25 — ˚C fc(TA) = fc(T0)(1 + TCf(TA – T0)2) 4 Feb 24, 2005 SAW Components B3891 Low-Loss Filter 71,0 MHz Data Sheet Matching network to 200 Ω Transformers are only required for measurement in a 50 Ω environment Cs1 = Cs2 = 12 pF Cs3 = Cs4 = 18 pF Lp1 = 220 nH Lp2 = 180 nH Element values depend upon board layout 5 Feb 24, 2005 SAW Components B3891 Low-Loss Filter 71,0 MHz Data Sheet Normalized frequency response Normalized frequency response (pass band) 6 Feb 24, 2005 SAW Components B3891 Low-Loss Filter 71,0 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 2005. 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. 7 Feb 24, 2005