SAW Components Preliminary Data LM42A SAW Components LM42A Low-Loss Filter 456,00 MHz Preliminary Data Ceramic SMD package QCC12E Features 1,27 1,27 3 5 12 4 2 bottom view 6 11 1,4 1 1,1 2,54 Low-loss filter for WiMAX Usable bandwidth 3,7 MHz Low insertion attenuation Package for Surface Mounted Technology (SMT) 10 ● ● ● ● 9 8 7 1,35 0,8 Terminals side view ● Gold plated 5,0 7,0 top view Dimensions in mm, approx. weight 0,2 g Pin configuration 10,12 4, 6 2, 3, 5, 8, 9, 11 1, 7 Type Balanced Input Balanced Output Ground Case ground Ordering code LM42A Marking and Package Packing according to according to C61157-A7-A103 F61074-V8170-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power Peak source power T Tstg VDC Ps Ps -40/ +85 -40/ +85 0 10 13 2 ˚C ˚C V dBm dBm 10 years peak < 1s Mar 30, 2004 SAW Components LM42A Low-Loss Filter 456,00 MHz Preliminary Data Characteristics T = -40 ... +85 ˚C 200 Ω balanced and matching network 200 Ω balanced and matching network Operating temperature: Terminating source impedance: Terminating load impedance: Nominal frequency fN Minimum insertion attenuation (including matching network) αmin Amplitude ripple (p-p) ∆α fN ± 1,7 MHz fN ± 1,85 MHz τ Absolute group delay (at fN) fN ± 1,7 MHz fN ± 1,7 MHz — MHz — 8,5 10,0 dB — — 0,6 1,5 1,0 3,0 dB dB — 0,55 3,0 µs 250 ns 120 8 10 12 14 — — dB dB 20 35 45 30 38 49 — — — dB dB dB 30 40 50 40 40 30 70 70 64 46 44 44 — — — — — — dB dB dB dB dB dB TCf — –0,036 — ppm/K2 T0 — 30 — ˚C Input Output Relative attenuation (relative to αmin) 1 MHz ... 256 MHz 256 MHz ... 360 MHz 360 MHz ... 416,0 MHz 416 MHz ... 452,65 MHz 459,35 MHz ... 656 MHz 656 MHz ... 946 MHz Temperature coefficient of frequency Turnover temperature dependance of fc: max. 456,00 — Impulse response attenuation (Time/Height values are relative to the main time response lobe) 1-2 µs 2-3 µs > 3 µs 1) Temperature typ. — ∆τ Group delay ripple (p-p) Return loss min. αrel 1) fc(TA) = fc(T0)(1 + TCf(TA – T0)2) 3 Mar 30, 2004 SAW Components LM42A Low-Loss Filter 456,00 MHz Preliminary Data Normalized transfer function Normalized transfer function (pass band) 4 Mar 30, 2004 SAW Components LM42A Low-Loss Filter 456,00 MHz Preliminary Data Normalized transfer function Transfer function (Impulse response) 5 Mar 30, 2004 SAW Components LM42A Low-Loss Filter 456,00 MHz Preliminary Data Matching network to 200 Ω balanced 4:1 transformer is only required for measurement in a 50 Ω environment (element values depend on PCB layout) L L L L Lp1 = 100 nH Lp4 = 22 nH Ls6 = Ls7= 18 nH Ls2 = Ls3= 33 nH Lp5= 27 nH Lp8 = 62 nH Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC P.O. Box 80 17 09, 81617 Munich, GERMANY EPCOS AG 2004. 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 Mar 30, 2004