SAW Components Data Sheet B3642 SAW Components B3642 Low-Loss Filter 280,00 MHz Data Sheet Ceramic package QCC8C Features ● Low-loss IF filter ● Ceramic SMD package ● Unbalanced or balanced operation Terminals ● Gold plated Dimensions in mm, approx. weight 0,1 g Pin configuration 3 2 7 6 4, 8 1, 5 Input Input ground Output Output ground Case ground To be grounded 3 7 2 6 4,8 Type Ordering code B3642 B39281-B3642-U310 Marking and Package according to C61157-A7-A56 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power TA Tstg VDC Ps -30 / +70 -40 / +85 0 10 2 ˚C ˚C V dBm Apr 04, 2001 Packing according to F61074-V8070-Z000 SAW Components B3642 Low-Loss Filter 280,00 MHz Data Sheet Characteristics TA = 0 ... 50 ˚C ZS = 50 Ω unbalanced and matching network ZL = 50 Ω unbalanced and matching network Reference temperature: Terminating source impedance: Terminating load impedance: min. typ. max. — MHz 10,0 dB — MHz — dB Nominal frequency fN — 280,00 Insertion attenuation at fN (including matching network) αN — 9,0 Bandwidth αrel ≤ 3 dB B3dB — Amplitude ripple (max peak to adjacent valley) fN ± 17 MHz ∆α — 0,3 Amplitude variation fN ± 17 MHz fN ± 14,5 MHz ∆α — — 1,2 0,5 Group delay ripple (p-p) fN ± 17 MHz ∆τ — 25 50 ns 40 40 50 44 — — dB dB — – 87 — ppm/K Relative attenuation (relative to αN) 100 MHz ... 250 MHz 310 MHz ... 400 MHz αrel Temperature coefficient of frequency TCf 3 Apr 04, 2001 37 3 1,0 dB dB SAW Components B3642 Low-Loss Filter 280,00 MHz Data Sheet Matching network Lp1 = 27 nH Ls2 = 15 nH Ls3 = 33 nH 4 Apr 04, 2001 SAW Components B3642 Low-Loss Filter 280,00 MHz Data Sheet Transfer function 5 Apr 04, 2001 SAW Components B3642 Low-Loss Filter 280,00 MHz Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS P.O. Box 80 17 09, D-81617 München 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