SAW Components Data Sheet B4540 SAW Components B4540 Bandpass Filter for Mobile Communication 112,32 MHz Data Sheet Ceramic package QCC10B Features ● Bandpass IF filter for cordless telephone ● Channel selection in DECT system ● Ceramic package for Surface Mounted Technol- ogy (SMT) Terminals ● Ni, gold-plated Dimensions in mm, approx. weight 0,23 g Pin configuration 10 9 5 4 1,3,6,8 2,7 Input Input ground or balanced input Output Output ground or balanced output Case - ground Not connected Type Ordering code B4540 B39111-B4540-Z710 Marking and Package according to C61157-A7-A49 Packing according to F61074-V8035-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power T Tstg VDC Ps – 40/+ 85 – 40/+ 85 0 10 2 ˚C ˚C V dBm source impedance 50 Ω Apr 04, 2001 SAW Components B4540 Bandpass Filter for Mobile Communication 112,32 MHz Data Sheet Characteristics T = -40 to + 85 ˚C ZS = 1,1 kΩ || 390 nH ZL = 0,9 kΩ || 340 nH Operating temperature range: Terminating source impedance: Terminating load impedance: min. typ. max. Nominal frequency fN — 112,32 — Insertion attenuation at fN (including losses in matching network) Reference level for the following data αN — 13,5 15,0 Pass bandwidth Β3dB — 1,6 — MHz Group delay ripple (p-p) fN -700,0 kHz .. fN+700,0 kHz ∆τ — 100 150 ns 45 40 30 30 40 35 40 59 53 42 41 50 41 45 — — — — — — — dB dB dB dB dB dB dB 45 57 — dB — — kΩ || pF — 3,9 || 5,0 3,3 || 6,1 — kΩ || pF Relative attenuation (relative to αN) αrel fN − 30,00 MHz ... fN − 6,32 MHz fN − 6,32 MHz ... fN − 4,00 MHz fN − 4,00 MHz ... fN − 1,72 MHz fN + 1,72 MHz ... fN + 4,00 MHz fN + 4,00 MHz ... fN + 6,00 MHz fN + 6,00 MHz ... fN + 8,00 MHz fN + 8,00 MHz ... fN + 30,00 MHz fN + 17,28 MHz MHz dB Impedance at fN Input: ZIN = RIN || CIN Output: ZOUT = ROUT || COUT Temperature coefficient of frequency 1) TCf — – 0,03 — ppm/K2 Turnover temperature T0 — 30 — ˚C 1) Temperature dependance of fc: fc(T) = fc(T0)(1 + TCf(T – T0)2) Matching network to 50 Ω (element values depend on pcb layout) Ls1 Ls2 3 Apr 04, 2001 = 330 nH = 270 nH SAW Components B4540 Bandpass Filter for Mobile Communication 112,32 MHz Data Sheet Transfer function Transfer function (pass band) 4 Apr 04, 2001 SAW Components B4540 Bandpass Filter for Mobile Communication 112,32 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. 5 Apr 04, 2001