SAW Components Data Sheet B3650 SAW Components B3650 Low-Loss Filter 260,0 MHz Data Sheet Ceramic package QCC10B Features ● ● ● ● Low-loss IF filter for Wireless LAN Balanced or unbalanced operation Temperature stable Ceramic SMD package Terminals ● Gold plated Dimensions in mm, approx. weight 0,2 g Pin configuration 9 10 4 5 2, 7 1, 3, 6, 8 Balanced input or input Balanced input or input ground Balanced output or output Balanced output or output ground Ground Case ground Type Ordering code B3650 B39261-B3650-Z710 Marking and Package according to C61157-A7-A49 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power TA Tstg VDC Ps –25 / +85 –40 / +85 0 10 2 ˚C ˚C V dBm Apr 04, 2001 Packing according to F61074-V8035-Z000 SAW Components B3650 Low-Loss Filter 260,0 MHz Data Sheet Characteristics TA = -20 ˚C to 60 ˚C ZS = 200 Ω and matching network ZL = 200 Ω and matching network Operating temperature: Terminating source impedance: Terminating load impedance: min. fC Centre frequency αC Insertion attenuation at fC (including matching network, excluding 4:1 transformers) Passband width αrel ≤ 3,0 dB αrel ≤ 20,0 dB αrel ≤ 40,0 dB Absolute group delay (at fc) Group delay ripple (p-p) fc ± 575 kHz 259,93 typ. 260,0 max. 260,07 MHz — 8,5 9,0 dB B3,0dB 1090 B20dB — B40dB — 1130 2,8 3,4 1200 — — 0,8 — µs kHz MHz MHz τ — ∆τ — 160 250 ns 45 45 40 10 10 37 41 45 43 45 55 50 45 15 15 40 43 50 46 50 — — — — — — — — — — dB dB dB dB dB dB dB dB dB dB Relative attenuation (relative to αc) fc − 50,0 MHz ... fc - 3,50 MHz fc − 3,50 MHz ... fc - 2,70 MHz fc − 2,70 MHz ... fc - 1,89 MHz fc − 1,89 MHz ... fc - 1,06 MHz fc + 1,06 MHz ... fc + 1,89 MHz fc + 1,89 MHz ... fc + 2,70 MHz fc + 2,70 MHz ... fc + 3,50 MHz fc + 3,50 MHz ... fc + 16,0 MHz fc + 16,0 MHz ... fc + 25,0 MHz fc + 25,0 MHz ... fc + 50,0 MHz αrel Temperature coefficient of frequency1) Turnover temperature TCf — – 0,036 — ppm/K2 T0 — 25 — ˚C 1) Temperature dependance of fc: fc(TA) = fc(T0) (1 + TCf (TA-T0)2 ) 3 Apr 04, 2001 SAW Components B3650 Low-Loss Filter 260,0 MHz Data Sheet Matching network (Element values depend upon matching network) Cp1 = 8,2 pF Ls2 = 47 nH Ls3 = 47 nH Cp4 = 8,2 pF Transformers are required for measurement at 50 Ω unbalanced. No transformers are required for measurement at 200 Ω balanced. 4 Apr 04, 2001 SAW Components B3650 Low-Loss Filter 260,0 MHz Data Sheet Transfer function Transfer function (pass band) 5 Apr 04, 2001 SAW Components B3650 Low-Loss Filter 260,0 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