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| SAW Components Data Sheet B3640 SAW Components Low-Loss Filter Data Sheet B3640 238,0 MHz Ceramic package QCC12 Features q q q q Low-loss IF filter for DCS base station Tx path Temperature stable Ceramic SMD package Terminals q Gold plated Dim. in mm, aprox. weight 0,4 g Pin configuration 1, 10 7 4 3, 9 2, 6, 8, 12 5, 11 Input (balanced) Output Output ground To be grounded Case ground Not connected Type B3640 Ordering code B39231-B3640-Z510 Marking and Package according to C61157-A7-A55 Packing according to F61074-V8026-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power T Tstg VDC Ps - 20/+ 75 - 40/+ 85 10 10 C C V dBm 2 Apr 04, 2001 SAW Components Low-Loss Filter Data Sheet B3640 238,0 MHz Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: TA = -5 - 75 C ZS = 200 and matching network. ZL = 50 and matching network min. typ. 238,0 8,5 max. -- 9,5 MHz dB Nominal frequency Minimum insertion attenuation (including matching network) Amplitude ripple (p-p) fN 100 kHz fN 300 kHz Absolute group delay Group delay variation fN 100 kHz fN 300 kHz Relative attenuation (relative to min) fN 0,6 MHz ... fN 0,8 MHz fN 0,8 MHz ... fN 1,8 MHz fN 1,8 MHz ... fN 6,0 MHz fN 6,0 MHz ... fN 20 MHz fN 20 MHz ... fN 120 MHz Temperature coefficient of frequency 1) Turnover temperature 1) Temperature fN min -- 7 -- -- -- -- rel 5 10 25 30 40 8 25 45 41 42 -0,036 0,3 1,9 1,5 1,1 3,0 3 dB dB s -- 50 90 150 250 ns ns -- -- -- -- -- -- -- dB dB dB dB dB ppm/K2 C TCf T0 -- -- 30 dependance of fc: fc(TA) = fc(T0)(1 + TCf(TA - T0)2) 3 Apr 04, 2001 SAW Components Low-Loss Filter Data Sheet B3640 238,0 MHz Matching network (element values depend on pcb layout) Cp1 = 10 pF Ls2 = 22 nH Ls3 = 27 nH Ls4 = 33 nH Cp5 = 22 pF 4 Apr 04, 2001 SAW Components Low-Loss Filter Data Sheet Normalized frequency response B3640 238,0 MHz Normalized frequency response (pass band) 5 Apr 04, 2001 SAW Components Low-Loss Filter Data Sheet B3640 238,0 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 1999. All Rights Reserved. As far as patents or other rights of third parties are concerned, liability is only assumed for components per se, not for applications, processes and circuits implemented within components or assemblies. The information describes the type of component and shall not be considered as assured characteristics. Terms of delivery and rights to change design reserved. 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 Apr 04, 2001 |
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