SAW Components Data Sheet B3677 SAW Components B3677 Low-Loss Filter 374,0 MHz Data Sheet Ceramic package QCC8C Features ● Low-loss IF filter ● Ceramic SMD package ● Balanced or unbalanced operation Terminals ● Gold plated typ. Dimensions in mm, approx. weight 0,1 g Pin configuration 3 2 7 6 4, 8 1, 5 Input Input or input ground Output Output or output ground Case ground To be grounded 3 7 2 6 4,8 Type B3677 Ordering code Marking and Package Packing B39371-B3677-U310 according to C61157-A7-A56 according to F61074-V8070-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power TA Tstg VDC Ps -45 / +85 -45 / +85 0 10 2 ˚C ˚C V dBm Feb 07, 2001 SAW Components B3677 Low-Loss Filter 374,0 MHz Data Sheet Characteristics TA = -10 ... 80 ˚C ZS = 50 Ω unbalanced and matching network ZL = 50 Ω unbalanced and matching network Operating temperature: Terminating source impedance: Terminating load impedance: min. typ. max. — MHz 10,0 dB — MHz Nominal frequency fN — 374,00 Minimum insertion attenuation (including matching network) αmin — 8,5 Bandwidth αrel ≤ 3 dB B3dB 17 Amplitude ripple (p-p) fN ± 7 MHz ∆α — Group delay ripple (p-p) fN ± 7 MHz ∆τ — Triple transit suppression Relative attenuation (relative to αmin) fN − 16,5 MHz ... fN − 22 MHz fN − 22 MHz ... fN − 33 MHz fN − 33 MHz ... fN − 150 MHz fN + 16,5 MHz ... fN + 18 MHz fN + 18 MHz ... fN + 22 MHz fN + 22 MHz ... fN + 48 MHz fN + 48 MHz ... fN + 80 MHz fN + 80 MHz ... fN + 150 MHz 22 0,5 1 dB 40 100 ns 30 40 — dB 30 40 48 20 30 38 40 48 42 45 52 38 42 44 45 55 — — — — — — — — dB dB dB dB dB dB dB dB 40 40 64 56 — — dB dB — – 87 — ppm/K αrel Adjacent channel suppression average attenuation relative to αmin fN − 16,5 ... fN − 33,5 MHz fN + 16,5 ... fN + 33,5 MHz αrel TCf Temperature coefficient of frequency 3 Feb 07, 2001 SAW Components B3677 Low-Loss Filter 374,0 MHz Data Sheet Matching network (element values may depend on pcb layout) 50 Ω unbalanced: Ls1 = 27 nH Lp2 = 47 nH Lp3 = 47 nH Ls4 = 27 nH 250 Ω balanced: Lp1 = 24 nH (e.g. Coilcraft 0603CS-24NX_BC) Lp2 = 24 nH 4 Feb 07, 2001 SAW Components B3677 Low-Loss Filter 374,0 MHz Data Sheet 200 Ω balanced: Lp1 = 27 nH Lp2 = 22 nH 5 Feb 07, 2001 SAW Components B3677 Low-Loss Filter 374,0 MHz Data Sheet Transfer function: Transfer function (pass band): 6 Feb 07, 2001 SAW Components B3677 Low-Loss Filter 374,0 MHz Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, OFW E NK 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. 7 Feb 07, 2001