LM42A

SAW Components Preliminary Data LM42A SAW Components Low-Loss Filter Preliminary Data LM42A 456,00 MHz Ceramic SMD package QCC12E Features q q q q 1,27 1,27 1 2 3 4 1,1 2,54 Low-loss filter for WiMAX Usable bandwidth 3,7 MHz Low insertion attenuation Package for Surface Mounted Technology (SMT) 1,4 12 bottom view 11 10 9 8 7 0,8 Terminals q Gold plated 1,35 6 5 side view 7,0 5,0 top view Dimensions in mm, approx. weight 0,2 g Pin configuration 10,12 4, 6 2, 3, 5, 8, 9, 11 1, 7 Balanced Input Balanced Output Ground Case ground Type LM42A Ordering code Marking and Package according to C61157-A7-A103 Packing according to 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 ˚C ˚C V dBm dBm 10 years peak < 1s 2 Mar 30, 2004 SAW Components Low-Loss Filter Preliminary Data Characteristics Operating temperature: Terminating source impedance: Terminating load impedance: LM42A 456,00 MHz T = -40 ... +85 ˚C 200 Ω balanced and matching network 200 Ω balanced and matching network min. typ. 456,00 max. — MHz Nominal frequency Minimum insertion attenuation (including matching network) Amplitude ripple (p-p) fN αmin — — ∆α 8,5 10,0 dB fN ± 1,7 MHz fN ± 1,85 MHz Absolute group delay (at fN) Group delay ripple (p-p) τ ∆τ — — — 0,6 1,5 0,55 1,0 3,0 3,0 dB dB µs fN ± 1,7 MHz Return loss — 8 10 120 12 14 250 — — ns dB dB fN ± 1,7 MHz Input Output Impulse response attenuation (Time/Height values are relative to the main time response lobe) 1-2 µs 2-3 µs > 3 µs 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 1) Temperature 1) 20 35 45 αrel 30 40 50 40 40 30 30 38 49 — — — dB dB dB 70 70 64 46 44 44 –0,036 30 — — — — — — — — dB dB dB dB dB dB ppm/K2 ˚C TCf T0 — — dependance of fc: fc(TA) = fc(T0)(1 + TCf(TA – T0)2) 3 Mar 30, 2004 SAW Components Low-Loss Filter Preliminary Data Normalized transfer function LM42A 456,00 MHz Normalized transfer function (pass band) 4 Mar 30, 2004 SAW Components Low-Loss Filter Preliminary Data Normalized transfer function LM42A 456,00 MHz Transfer function (Impulse response) 5 Mar 30, 2004 SAW Components Low-Loss Filter 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) LM42A 456,00 MHz L L L L Lp1 = 100 nH Ls2 = Ls3= 33 nH Lp4 = 22 nH Lp5= 27 nH Ls6 = Ls7= 18 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