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| SAW Components Data Sheet B3841 SAW Components Low-Loss Filter Data Sheet B3841 174,2 MHz Ceramic package DCC18 Features s s s s Low-loss IF filter for GSM 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 10 1 5 6 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 B3841 Ordering code B39171-B3841-U210 Marking and Package according to C61157-A7-A54 Packing according to F61074-V8069-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 0 10 C C V dBm 2 Feb 26, 2002 SAW Components Low-Loss Filter Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: T = -5 to +85 C ZS = 250 || 43 nH ZL = 400 || 92 nH B3841 174,2 MHz min. Nominal frequency Minimum insertion attenuation 3dB bandwidth rel Amplitude ripple (p-p) 3,0 dB typ. 174,2 6,2 max. -- 8,0 MHz dB fN min -- -- B3,0dB 660 -- -- -- -- -- 730 0,1 0,3 0,6 2,3 190 -- kHz fN 67 kHz fN 125 kHz fN 200 kHz 0,25 dB 1,0 dB 1,2 dB 2,6 260 s ns Absolute group delay (at fN ) Group delay ripple (p-p) fN 200 kHz rel Relative attenuation (relative to min) fN 469 kHz ... fN 600 kHz fN 600 kHz ... fN 860 kHz fN 860 kHz ... fN 1200 kHz 20 168,2 fN + 1200 180,2 MHz MHz kHz MHz ... ... ... ... 168,2 fN - 1200 180,2 400 MHz kHz MHz MHz 4 11 20 50 40 40 50 10 20 30 60 50 43 70 -- -- -- -- -- -- -- dB dB dB dB dB dB dB Return loss (at fN ) Temperature coefficient of frequency Turnover temperature 1) Temperature 1) 10 12 -0,036 40 -- -- -- dB ppm/K2 C TCf T0 -- -- dependance of fc: fc(TA) = fc(T0)(1 + TCf(TA - T0)2) 3 Feb 26, 2002 SAW Components Low-Loss Filter Data Sheet Matching network to 50 (Element values depend on PCB layout) B3841 174,2 MHz Cp1 = 47 pF Ls2 = 39 nH Ls3 = 36 nH Cp4 = 56 pF 4 Feb 26, 2002 SAW Components Low-Loss Filter Data Sheet Normalized frequency response B3841 174,2 MHz Normalized frequency response (pass band) 5 Feb 26, 2002 SAW Components Low-Loss Filter Data Sheet B3841 174,2 MHz Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS P.O. Box 80 17 09, D-81617 Munchen (c) EPCOS AG 2002. All Rights Reserved. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS' prior express consent is prohibited. The information contained in this brochure describes the type of component and shall not be considered as guaranteed characteristics. 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 Feb 26, 2002 |
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