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| SAW Components Data Sheet B3874 SAW Components Low-Loss Filter Data Sheet B3874 71,1 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 B3874 Ordering code B39710-B3874-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 2 C C V dBm May 06, 2004 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 B3874 71,1 MHz min. Nominal frequency Minimum insertion attenuation 3,75 dB bandwidth rel Amplitude ripple (p-p) Phase Linearity (rms) Absolute group delay Group delay ripple (p-p) 3,75 dB typ. 71,1 9,0 max. -- 11,0 MHz dB fN N -- -- B3,75dB rel 1,18 -- -- -- -- 1,24 0,5 1,3 3,1 320 -- 1,0 2,0 -- 450 MHz dB deg s ns fN 525 kHz fN 630 kHz fN 630 kHz fN 525 kHz Relative attenuation (relative to N) 31,0 MHz ... fN - 4900 kHz fN - 4900 kHz ... fN - 900 kHz fN - 900 kHz ... fN - 750 kHz fN + 750 kHz ... fN + 900 kHz fN + 900 kHz ... fN + 4900 kHz fN + 4900 kHz ... 500 MHz Input Return loss Output Return loss 3rd-order intercept point Temperature coefficient of frequency Turnover temperature 1) Temperature 1) 45 26 15 15 26 45 8 10 60 29 18 17 29 60 11 15 -- -0,036 35 -- -- -- -- -- -- -- -- -- -- -- dB dB dB dB dB dB dB dB dB ppm/K2 C fN 525 kHz fN 525 kHz IP3 TCf T0 35 -- -- dependance of fc: fc(TA) = fc(T0)(1 + TCf(TA - T0)2) 3 May 06, 2004 SAW Components Low-Loss Filter Data Sheet Normalized frequency response B3874 71,1 MHz Normalized frequency response (pass band) 4 May 06, 2004 SAW Components Low-Loss Filter Data Sheet Normalized frequency response (wide band) B3874 71,1 MHz 5 May 06, 2004 SAW Components Low-Loss Filter Data Sheet Matching network to 50 (Element values depend on PCB layout) B3874 71,1 MHz Ls2 Lp1 Ls5 Lp3 Lp4 Lp6 Lp1 = 150 nH Ls2 = 390 nH Lp3 = 330 nH Lp4 = 470 nH Ls5 = 620 nH Lp6 = not used 6 May 06, 2004 SAW Components Low-Loss Filter Data Sheet B3874 71,1 MHz Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC P.O. Box 80 17 09, 81617 Munich, GERMANY (c) 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. 7 May 06, 2004 |
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