SAW Components Data Sheet B3897 SAW Components B3897 Low-Loss Filter 70,00 MHz Data Sheet Ceramic package QCC12 Features ■ IF low-loss filter ■ 2,85 MHz usable bandwidth ■ Ceramic SMD package Terminals ■ Gold plated Dim. in mm, aprox. weight 0,44 g Pin configuration 11 Input (balanced) 1 Input (balanced or ground) 5 Output (balanced) 7 Output (balanced or ground) 2, 3, 8, 9 Case - ground 4, 6, 10, 12 To be grounded Type Ordering code Marking and Package according to Packing according to B3897 B39700-B3897-Z510 C61157-A7-A55 F61074-V8163-Z000 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 Sep 05, 2003 SAW Components B3897 Low-Loss Filter 70,00 MHz Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: T = -20 to 80 ˚C ZS = 50 Ω balanced and matching network ZL = 50 Ω balanced and matching network min. typ. max. Nominal frequency fN — 70,0 — Insertion attenuation at fN (including matching network) αN — 6,3 8,0 MHz dB Passband width αrel ≤ 3,0 dB B3,0dB 3,5 4,7 — MHz ∆α Amplitude ripple (p-p) fN ± 1,425 MHz — 0,5 1,0 dB — 3,0 7,0 ˚ — 1,47 ∆ϕ Phase ripple (p-p) fN ± 1,425 MHz τ Absolute group delay (@ fN) — µs ∆τ Group delay ripple (p-p) fN ± 1,425 MHz Relative attenuation (relative to αN) fN − 3,875 MHz... fN − 20 MHz fN + 3,875 MHz... fN + 20 MHz αrel Temperature coefficient of frequency TCf — 110 175 ns 40 37 45 40 — — dB dB — -87 — ppm/K Matching network (Element values depend upon PCB layout) 1:1 1:1 Lp1 = 68 nH Lp2 = 68 nH 3 Sep 05, 2003 SAW Components B3897 Low-Loss Filter 70,00 MHz Data Sheet Normalized frequency response Normalized frequency response (pass band) 4 Sep 05, 2003 SAW Components B3897 Low-Loss Filter 70,00 MHz Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC P.O. Box 80 17 09, 81617 Munich, GERMANY EPCOS AG 2003. 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. 5 Sep 05, 2003