SAW Components Data Sheet B3895 SAW Components B3895 Low-Loss Filter 204,0 MHz Data Sheet Ceramic package QCC12C Features 2,54 3 12 5 11 10 111 000 00 11 000 111 00 11 000 111 00 11 000 000 111 00 11 111 00 11 00 11 000 111 11 00 00 11 000 111 00 11 000 11 111 00 00 11 00 11 Terminals 4 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 8 9 2,54 1,0 1 bottom view 6 Low-loss IF filter for S-CDMA applications 500 kHz usable bandwidth Temperature stable Ceramic SMD package 1,4 ■ ■ ■ ■ 7 0,6 000 111 000 111 000 111 000 111 000 111 00 11 11 00 00 11 00 11 00 11 5,0 1,48 ■ Gold plated 00 11 11 00 00 11 00 11 00 11 side view top view 7,0 Dimensions in mm, approx. weight 0,2 g Pin configuration 12 10 6 4 1, 2, 7, 8 3, 9 Input Input ground Output Output ground Ground Case ground Type Ordering code B3895 B39201-B3895-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 –40 / +80 –40 / +85 0 0 2 ˚C ˚C V dBm Aug 25, 2003 Packing according to F61074-V8170-Z000 SAW Components B3895 Low-Loss Filter 204,0 MHz Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: T = 0 .. 70 ˚C ZS = 50 Ω and matching network ZL = 50 Ω and matching network min. typ. max. Nominal frequency fN — 204,0 — MHz Minimum insertion attenuation αmin — 9,0 10,0 dB B1dB B3dB — — — — kHz kHz Pass bandwidth αrel αrel ≤ 1,0 dB ≤ 3,0 dB ∆α Amplitude ripple (p-p) fN ± 250 kHz — 0,5 — 0,8 1,0 dB τ Absolute group delay @ fN — µs ∆τ Group delay ripple (p-p) fN ± 250 kHz Relative attenuation (relative to αmin) fN − 10,0 MHz ... fN − 2,0 MHz fN + 2,0 MHz ... fN + 3,5 MHz fN + 3,5 MHz ... fN + 4,5 MHz fN + 4,5 MHz ... fN + 10,0 MHz Temperature coefficient of frequency Turnover temperature 1) Temperature 700 1150 dependance of fc: — 30 100 ns 45 45 44 45 48 50 46 48 — — — — dB dB dB dB TCf — –0,036 — ppm/K2 T0 — 35 — ˚C αrel 1) fc(TA) = fc(T0)(1 + TCf(TA – T0)2) 3 Aug 25, 2003 SAW Components B3895 Low-Loss Filter 204,0 MHz Data Sheet Matching network to 50 Ω (Element values depend on PCB layout) Ls1 = 150 nH Lp2 = 120 nH Lp3 = 150 nH Ls4 = 100 nH 4 Aug 25, 2003 SAW Components B3895 Low-Loss Filter 204,0 MHz Data Sheet Normalized frequency response Normalized frequency response (pass band) 5 Aug 25, 2003 SAW Components B3895 Low-Loss Filter 204,0 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 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 Aug 25, 2003