SAW Components Data Sheet B4937 SAW Components B4937 Low-Loss Filter for Mobile Communication 109,8 MHz Data Sheet Ceramic package QCC10C Features ■ ■ ■ ■ ■ ■ ■ Low-loss IF filter for mobile telephone Channel selection in CDMA systems Very small size Low insertion attenuation Balanced and unbalanced operation possible Filter surface passivated Ceramic SMD package Terminals ■ Gold-plated Ni Dimensions in mm, approx. weight 0,24 g Pin configuration 10 9 5 4 2, 7 1, 3, 6, 8 Input Input ground or balanced input Output Balanced output or output ground Case – ground To be grounded Type Ordering code B4937 B39111-B4937-U910 Marking and Package according to C61157-A7-A73 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 May 11, 2000 Packing according to F6104-V8104-Z000 SAW Components B4937 Low-Loss Filter for Mobile Communication 109,8 MHz Data Sheet Characteristics T = -35 to +85 ˚C ZS = 1200 Ω || 120 nH ZL = 1000 Ω || 110 nH Operating temperature range: Terminating source impedance: Terminating load impedance: min. typ. Nominal frequency Minimum insertion attenuation (including losses in matching circuit) fN — 109,8 αmin — Amplitude ripple (p-p) fN – 0,3 MHz ∆α ... Phase Linearity (rms) fN – 0,614 MHz ... fN + 0,3 MHz ... ... ... ... MHz 8,5 10,0 dB — 0,4 1,0 dB — 1,5 3,0 ˚ — 4,0 5,0 dB αrel MHz MHz MHz MHz MHz MHz MHz MHz fN – 25 MHz fN – 1,7 MHz fN + 0,9 MHz fN + 1,7 MHz — ∆τ fN + 0,614 MHz Relative attenuation (relative to αmin) fN ± 0,614 MHz fN – 2,05 fN – 1,7 fN – 1,25 fN – 0,9 fN + 0,9 fN + 1,25 fN + 1,7 fN + 2,05 max. fN – 1,7 MHz fN – 0,9 MHz fN + 1,7 MHz fN + 25 MHz 38 40 35 35 35 33 40 38 42 45 39 38 38 35 45 42 — — — — — — — — dB dB dB dB dB dB dB dB 36 33 33 36 40 38 35 40 — — — — dB dB dB dB Test Matching Network to bal. 200Ω / unbal. 50Ω (element values depend on PCB layout) Cs1 = 6,8 pF Cs2 = 6,8 pF Lp3 = 82 nH Cp4 = 2,7 pF Lp5 = 68 nH Cp6 = 1,2 pF Cs7 = 6,8 pF 3 May 11, 2000 SAW Components B4937 Low-Loss Filter for Mobile Communication 109,8 MHz Data Sheet Transfer function (balanced - unbalanced): Transfer function (passband): 4 May 11, 2000 SAW Components B4937 Low-Loss Filter for Mobile Communication 109,8 MHz Data Sheet Transfer function (wideband): 5 May 11, 2000 SAW Components B4937 Low-Loss Filter for Mobile Communication 109,8 MHz Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, OFW E MF 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 May 11, 2000