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| SAW Components Data Sheet B3873 SAW Components Low-Loss Filter Data Sheet B3873 240,0 MHz Ceramic package DCC18 Features q High performance IF bandpass filter q Temperature stable q Hermetically sealed ceramic package Terminals q Gold plated Dimensions in mm, approx. weight 0,7 g Pin configuration 10 1 5 6 3, 8 2, 4, 7, 9 Input Input ground Output Output ground Ground Case ground Type B3873 Ordering code B39241-B3873-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 0 0 C C V dBm 2 Nov 06, 2002 SAW Components Low-Loss Filter Data Sheet Characteristics Operating temperature: Terminating source impedance: Terminating load impedance: B3873 240,0 MHz T = -10..+85 C ZS=50 and matching network ZS=50 and matching network min. typ. 240,0 14,0 max. -- 16,0 MHz dB Nominal frequency Minimum insertion attenuation (including matching network) Passband width Amplitude ripple (p-p) rel 1 dB fN min -- 12,0 B1dB 1,1 1,25 -- MHz fN 0,55 MHz Absolute group delay (at fN) Group delay ripple (p-p) -- -- -- 0,7 1,8 120 1,0 3,5 200 dB s ns fN 0,55 MHz Deviation of linear phase (p-p) fN 0,55 MHz Relative attenuation (relative to min) fN 0,9 MHz ... fN 1,25 MHz fN 1,25 MHz ... fN 1,7 MHz fN 1,7 MHz ... fN 1,9 MHz fN 1,9 MHz ... fN 2,5 MHz fN 2,5 MHz ... fN 7,0 MHz fN 7,0 MHz ... fN 70 MHz Input and output return loss Temperature coefficient of frequency 1) Turnover temperature 1) Temperature -- rel 10 25 32 35 38 40 12 5 6 15 30 35 40 42 45 17 - 0,036 40 -- -- -- -- -- -- -- -- -- dB dB dB dB dB dB dB ppm/K2 C TCf T0 -- -- dependance of fc: fc(TA) = fc(T0)(1 + TCf(TA - T0)2) 3 Nov 06, 2002 SAW Components Low-Loss Filter Data Sheet Matching network to 50 (Element values depend upon PCB layout) B3873 240,0 MHz Ls2 Ls4 Cp1 Lp3 Lp5 Cp5 Cp1 = 15 pF Ls2 = 27 nH Lp3 = 7,8 nH Ls4 = 10 nH Lp5 = 10 nH 4 Nov 06, 2002 SAW Components Low-Loss Filter Data Sheet Normalized frequency response B3873 240,0 MHz Normalized frequency response (pass band) 5 Nov 06, 2002 SAW Components Low-Loss Filter Data Sheet B3873 240,0 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. 6 Nov 06, 2002 |
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