SAW Components Data Sheet B3680 SAW Components B3680 Low-Loss Filter 352,0 MHz Data Sheet Ceramic package QCC8C Features ● ● ● ● ● ● ● Low-loss IF filter for Wireless LAN Low insertion attenuation Low amplitude ripple Usable passband 12 MHz Balanced or unbalanced operation Hermetically sealed ceramic package Package for Surface Mounted Technology (SMT) Terminals ● Gold plated typ. Dimensions in mm, approx. weight 0,1 g Pin configuration 2, 3 6, 7 4, 8 1, 5 Type B3680 Input, input ground or bal. input Output, outp. ground or bal. outp. Case ground Ground Ordering code Marking and Package Packing B39351-B3680-U310 according to C61157-A7-A56 according to F61074-V8070-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power TA Tstg VDC Ps -25 / +85 -40 / +85 0 10 2 ˚C ˚C V dBm Apr 11, 2002 SAW Components B3680 Low-Loss Filter 352,0 MHz Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: TA = 25 ˚C ZS = 50 Ω and matching network ZL = 50 Ω and matching network min. typ. max. Nominal frequency fN — 352,0 — Minimum insertion attenuation αmin — 2,7 3,0 dB Amplitude ripple in passband (p-p) 346,0 .... 358,0 MHz ∆α — 1,4 2,5 dB Group delay ripple (p-p) 346,0 .... 358,0 MHz 346,5 .... 358,0 MHz ∆τ Pass bandwidth αrel ≤ 3dB B3dB Relative attenuation (relative to αmin) αrel 0,3 333,0 363,0 366,0 371,0 374,0 392,0 .... .... .... .... .... .... .... 333,0 MHz 341,0 MHz 366,0 MHz 371,0 MHz 374,0 MHz 392,0 MHz 400,0 MHz TCf Temperature coefficient of frequency 3 — — 40 40 15,0 15,6 — MHz 45 11 11 22 25 34 45 54 34 19 25 35 36 54 — — — — — — — dB dB dB dB dB dB dB — – 70 — ppm/K Apr 11, 2002 100 80 MHz ns ns SAW Components B3680 Low-Loss Filter 352,0 MHz Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: TA = 0 ... 85 ˚C ZS = 50 Ω and matching network ZL = 50 Ω and matching network min. typ. max. Nominal frequency fN — 352,0 — Minimum insertion attenuation αmin — 2,7 3,5 dB Amplitude ripple in passband (p-p) 346,0 .... 358,0 MHz ∆α — 1,4 3,0 dB Group delay ripple (p-p) 346,0 .... 358,0 MHz 346,5 .... 358,0 MHz ∆τ Pass bandwidth αrel ≤ 3dB B3dB Relative attenuation (relative to αmin) αrel 0,3 333,0 363,0 366,0 371,0 374,0 392,0 .... .... .... .... .... .... .... 333,0 MHz 341,0 MHz 366,0 MHz 371,0 MHz 374,0 MHz 392,0 MHz 400,0 MHz TCf Temperature coefficient of frequency 4 — — 40 40 14,0 15,6 — MHz 45 11 11 22 25 34 45 54 34 19 25 35 36 54 — — — — — — — dB dB dB dB dB dB dB — – 70 — ppm/K Apr 11, 2002 170 120 MHz ns ns SAW Components B3680 Low-Loss Filter 352,0 MHz Data Sheet matching network: Cs1 = 10 pF Lp2 = 27nH Cp3 = 1,2 pF Ls4 = 27 nH 5 Apr 11, 2002 SAW Components B3680 Low-Loss Filter 352,0 MHz Data Sheet Transfer function: Transfer function (pass band): 6 Apr 11, 2002 SAW Components B3680 Low-Loss Filter 352,0 MHz Data Sheet Published by EPCOS AG SAW MC WT, P.O. Box 80 17 09, 81617 Munich, GERMANY ✈ ++49 89 636 09, FAX (0 89) 636-2 26 89 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. 7 Apr 11, 2002