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| SAW Components Data Sheet B3684 SAW Components Low-Loss Filter Data Sheet B3684 387,5 MHz Ceramic package QCC8C Features Low-loss filter (WBN) for Trunked Radio Usable bandwidth 5 MHz No matching required for operation at 50 Package for Surface Mounted Technology (SMT) q Hermetically sealed ceramic package q q q q Terminals q Gold-plated Dimensions in mm, approx. weight 0,1 g Pin configuration 2 3 6 7 1, 5 4, 8 Input Input ground Output Output ground Ground Case ground Type B3684 Ordering code B39391-B3684-U310 Marking and Package according to C61157-A7-A56 Packing according to F61064-V8070-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power T Tstg VDC Ps - 25/+ 75 - 40/+ 85 0 10 C C V dBm source impedance 50 2 Oct 17, 2000 SAW Components Low-Loss Filter Data Sheet Characteristics Operating temperature: Terminating source impedance: Terminating load impedance: T = +15 ... +35 C ZS = 50 ZL = 50 B3684 387,5 MHz min. Nominal frequency Maximum insertion attenuation 385,0 MHz ... 390,0 MHz Amplitude ripple (p-p) 385,0 MHz ... 390,0 MHz Return loss (Input and Output) 385,0 MHz ... 390,0 MHz Group delay 385,0 MHz ... 390,0 MHz -- typ. 387,5 max. -- MHz fN max -- -- -- 3,2 3,5 dB 0,9 1,4 dB 11,0 12,5 -- dB 140 180 ns Deviation from lin. phase (in 1 MHz bandwidth) 385,0 MHz ... 390,0 MHz Absolute attenuation 45,0 MHz ... 81,5 MHz 222,0 MHz ... 300,0 MHz 303,5 MHz ... 345,0 MHz 395,0 MHz ... 396,0 MHz 396,0 MHz ... 400,0 MHz 407,5 MHz ... 475,0 MHz 475,0 MHz ... 1025,0 MHz 1025,0 MHz ... 2000,0 MHz 2000,0 MHz ... 4000,0 MHz Temperature coefficient of frequency abs -- 0,9 5 40 40 20 28 30 30 40 20 15 70 60 45 30 32 40 45 30 17 - 36 -- -- -- -- -- -- -- -- -- -- dB dB dB dB dB dB dB dB dB ppm/K TCf -- 3 Oct 17, 2000 SAW Components Low-Loss Filter Data Sheet Characteristics Operating temperature: Terminating source impedance: Terminating load impedance: T = -25 ... +75 C ZS = 50 ZL = 50 B3684 387,5 MHz min. Nominal frequency Maximum insertion attenuation 385,0 MHz ... 390,0 MHz Amplitude ripple (p-p) 385,0 MHz ... 390,0 MHz Return loss (Input and Output) 385,0 MHz ... 390,0 MHz Group delay 385,0 MHz ... 390,0 MHz -- typ. 387,5 max. -- MHz fN max -- -- -- 3,5 4,0 dB 1,1 2,0 dB 11,0 12,5 -- dB 140 180 ns Deviation from lin. phase (in 1 MHz bandwidth) 385,0 MHz ... 390,0 MHz -- 1,3 5 Temperature coefficient of frequency TCf -- - 36 -- ppm/K 4 Oct 17, 2000 SAW Components Low-Loss Filter Data Sheet Transfer function B3684 387,5 MHz Transfer function (pass band; +15 C ... +35 C) 5 Oct 17, 2000 SAW Components Low-Loss Filter Data Sheet B3684 387,5 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. 6 Oct 17, 2000 |
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