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| SAW Components Data Sheet B3678 SAW Components Low-Loss Filter Data Sheet B3678 246,0 MHz Ceramic package QCC8C Features Low-loss IF filter Low insertion attenuation Low amplitude ripple Usable passband 1 MHz No matching network required for operation at 200 (input) and 50 (output) q Balanced input, unbalanced output q Ceramic package for Surface Mounted Technology (SMT) q q q q q Terminals q Ni, gold-plated Dimensions in mm, approx. weight 0,1 g Pin configuration 5, 6 2 1 4, 8 3, 7 Type B3678 Balanced Input (200 ) Output (50 ) To be grounded Case ground Not connected Ordering code B39251-B3678-U310 Marking and Package according to C61157-A7-A56 Packing according to F61074-V8070-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power T Tstg VDC Ps - 25 / + 85 - 40 / + 85 0 0 C C V dBm 2 Nov 17, 1999 SAW Components Low-Loss Filter Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: B3678 246,0 MHz T = -25 to +85C ZS = 200 ZL = 50 min. typ. 246,00 max. -- MHz Nominal frequency Maximum insertion attenuation 245,5 ... 246,5 Amplitude ripple in any 200 kHz span: 245,5 ... 246,5 245,5 ... 246,5 MHz MHz fN max MHz -- -- 1,9 2,5 dB -- -- 0,2 0,1 0,4 0,2 dB dB Group delay ripple (p-p) 245,8 ... 246,2 245,5 ... 246,5 Attenuation 100,0 226,0 256,0 266,0 268,0 ... ... ... ... ... 226,0 236,0 266,0 268,0 500,0 MHz MHz rel MHz MHz MHz MHz MHz -- -- 10,0 15,0 40,0 50,0 ns ns 40 7 7 25 35 50 50 15 40 50 -- -- -- -- -- dB dB dB dB dB 3 Nov 17, 1999 SAW Components Low-Loss Filter Data Sheet Transfer function (reduced three port meaurement) B3678 246,0 MHz Transfer function (reduced three port meaurement) 4 Nov 17, 1999 SAW Components Low-Loss Filter Data Sheet B3678 246,0 MHz Published by EPCOS AG Surface Acoustic Wave Components Division, OFW E NK 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. 5 Nov 17, 1999 |
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