SAW Components Data Sheet B3849 SAW Components B3849 Low-Loss Filter 357,1 MHz Data Sheet Ceramic package QCC8C Features ■ ■ ■ ■ Low-loss IF filter for UMTS base stations 20 MHz usable bandwidth Constant group delay Ceramic SMD package Terminals ■ Gold plated Dimensions in mm, approx. weight 0,1 g Pin configuration 3 2 7 6 4, 8 1, 5 Input Input ground Output Output ground Case ground To be grounded 3 7 2 6 4,8 Type Ordering code B3849 B39361-B3849-U310 Marking and Package according to C61157-A7-A56 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 Jul 30, 2002 Packing according to F61074-V8169-Z000 SAW Components B3849 Low-Loss Filter 357,1 MHz Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating source impedance: Group delay aperture: T = -35 .. 85 ˚C ZS = 50 Ω and matching network ZS = 50 Ω and matching network 200 kHz min. typ. max. Nominal frequency fN — 357,1 — MHz Minimum insertion attenuation αmin — 9,7 11,0 dB — 0,6 1,0 dB ∆α Amplitude ripple (p-p) 347,1 ... 367,1 MHz Pass bandwidth αrel ≤ 1,0 dB B1,0dB Relative attenuation (relative to αmin) 1,0 ... 332,1 382,1 ...1000,0 MHz MHz Group delay ripple (p-p) 347,1 ... 367,1 MHz — 32 — MHz 35 35 50 42 — — dB dB — 25 70 ns αrel ∆τ τ Absolute group delay — 0,5 0,6 µs 1 dB compression 347,1 ... 367,1 MHz 12 — — dBm 347,1 ... 367,1 MHz 32 — — dBm — – 87 — ppm/K Input IP3 TCf Temperature coefficient of frequency 3 Jul 30, 2002 SAW Components B3849 Low-Loss Filter 357,1 MHz Data Sheet Matching network (element values may depend on pcb layout) 50 Ω unbalanced: Ls1 = 47 nH Lp2 = 47 nH Lp3 = 39 nH Ls4 = 39 nH 4 Jul 30, 2002 SAW Components B3849 Low-Loss Filter 357,1 MHz Data Sheet Normalized frequency response Normalized frequency response (pass band) 5 Jul 30, 2002 SAW Components B3849 Low-Loss Filter 357,1 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 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 Jul 30, 2002