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| SAW Components Data Sheet B3853 SAW Components Low-Loss Filter Data Sheet B3853 141,0 MHz Ceramic package DCC18 Features s s s s Low-loss IF filter for CDMA base station Temperature stable Ceramic SMD package Unbalanced or balanced operation Terminals s Gold plated Dimensions in mm, approx. weight 0,8 g Pin configuration 1 10 6 5 3, 8 2, 4, 7, 9 Input or balanced input Input ground or balanced input Output or balanced output Output ground or balanced output Ground Case ground Type B3853 Ordering code B39141-B3853-U210 Marking and Package according to C61157-A7-A54 Packing according to F61074-V8166-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power T Tstg VDC Ps -40 / +85 -40 / +85 5 10 C C V dBm 2 Sep 30, 2002 SAW Components Low-Loss Filter Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: T = 0 to +85 C ZS = 50 and external matching network ZL = 50 and external matching network B3853 141,0 MHz min. Nominal frequency Minimum insertion attenuation 3,75 dB bandwidth rel 3,75dB Amplitude ripple (p-p) Phase Linearity (rms) Absolute group delay Group delay ripple (p-p) typ. 141,0 11,0 max. -- 13,0 MHz dB fN N -- -- B3,75dB rel 1,18 -- -- -- -- 1,32 0,2 1,0 2,75 100 -- 1,0 2,0 -- 300 MHz dB deg s ns fN 525 kHz fN 630 kHz @ fN fN 525 kHz Relative attenuation (relative to N) 50 MHz ... 120 MHz 120 MHz ... fN - 1350 kHz fN - 1350 kHz ... fN - 1250 kHz fN + 1250 kHz ... fN + 1750 kHz fN + 1750 kHz ... 175 MHz 175 MHz ... 500 MHz Return loss 3rd-order intercept point Temperature coefficient of frequency Turnover temperature 1) 2) 1) 50 45 41 41 45 60 10 60 52 45 45 48 70 15 45 -0,036 42,5 -- -- -- -- -- -- -- -- -- -- dB dB dB dB dB dB dB dB ppm/K2 C fN 525 kHz IP3 TCf T0 40 -- -- Except for two peaks around 144 and 146 MHz with typically 45dB dependance of fc: 2) Temperature fc(TA) = fc(T0)(1 + TCf(TA - T0)2) 3 Sep 30, 2002 SAW Components Low-Loss Filter Data Sheet Normalized frequency response B3853 141,0 MHz Normalized frequency response (pass band) 4 Sep 30, 2002 SAW Components Low-Loss Filter Data Sheet Normalized frequency response (wide band) B3853 141,0 MHz 5 Sep 30, 2002 SAW Components Low-Loss Filter Data Sheet Matching network to 50 (Element values depend on PCB layout) B3853 141,0 MHz Cp1 = 56 pF Ls2 = 68 nH // 2.2 pF Ls3 = 68 nH // 1.2 pF Cp4 = 56 pF 6 Sep 30, 2002 SAW Components Low-Loss Filter Data Sheet B3853 141,0 MHz Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS P.O. Box 80 17 09, 81617 Munich, GERMANY (c) 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 Sep 30, 2002 |
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