SAW Components Data Sheet B3685 SAW Components B3685 Low-Loss Filter 90,00 MHz Data Sheet Ceramic package QCC12C Features 2,54 12 111 000 000 111 000 111 000 111 10 Terminals ● Gold plated 5 4 3 111 000 11 00 00 11 000 111 00 11 00 000 11 111 00 11 00 000 111 00 11 11 00 11 8 9 11 00 00 11 00 11 00 11 2,54 1,0 2 000 111 11 00 00 11 000 111 00 11 000 11 111 00 00 11 00 00 11 111 000 11 111 00 11 00 11 000 000 111 00 11 000 111 000 111 00 11 000 000 111 111 00 11 11 1,4 1 bottom view 6 ● Low-loss IF filter for GSM base station ● Tx path ● Ceramic SMD package 7 111 000 000 111 000 111 111 000 111 000 00 11 11 00 00 11 00 11 00 11 5,0 1,48 0,6 00 11 11 00 00 11 00 11 00 11 side view top view 7,0 Dimensions in mm, appr. weight 0,20 g Pin configuration 12, 10 4, 6 1, 2, 7, 8 3, 9 Balanced Input Balanced Output Ground Case ground Type Ordering code B3685 B39900-B3685-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 -20 / +70 -30 / +85 0 10 2 ˚C ˚C V dBm Jan 08, 2003 Packing according to F61074-V8170-Z000 SAW Components B3685 Low-Loss Filter 90,00 MHz Data Sheet Characteristics T = 0 - 70 ˚C ZS = 200 Ω balanced and matching network ZL = 200 Ω balanced and matching network Operating temperature range: Terminating source impedance: Terminating load impedance: Nominal frequency fN Insertion attenuation at fN (including matching network) αN Passband width αrel ≤ 0,5 dB B0,5dB Amplitude ripple (p-p) fN ± 100 kHz ∆α τ Absolute group delay (at fN) min. typ. max. — 90,0 — 4,0 200 — 5,3 850 0,15 6,0 — 0,5 MHz dB kHz dB 720 760 800 ns ∆τ — 30 100 ns Average Error Vector Magnitude (rms) EVM — Relative attenuation (relative to αN) fN ± 1,8 MHz ... fN ± 6,0 MHz fN ± 6,0 MHz ... fN ± 20,0 MHz αrel Group delay ripple (p-p) Input and Output VSWR fN ± 100 kHz fN ±100 kHz Impedance at fN (without matching) Input: ZIN = RIN || CIN Output: ZOUT= ROUT || COUT TCf Temperature coefficient of frequency 3 0,4 1,0 % 10 30 18 44 — — — 1,3:1 2,0:1 — — 335 || 23,8 335 || 23,8 — — Ω || pF Ω || pF — ppm/K — Jan 08, 2003 – 18 dB dB SAW Components B3685 Low-Loss Filter 90,00 MHz Data Sheet Matching network to 200 Ω (element values depend on pcb layout) 1:4 4:1 Ls1 = 180 nH Lp3 = 180 nH Lp2 = 180 nH Ls4 = 180 nH 4 Jan 08, 2003 SAW Components B3685 Low-Loss Filter 90,00 MHz Data Sheet Transfer function Transfer function (pass band) 5 Jan 08, 2003 SAW Components B3685 Low-Loss Filter 90,00 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 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. 6 Jan 08, 2003