B7843

SAW Components Data Sheet B7843 SAW Components Low-Loss Filter for Mobile Communication Data Sheet B7843 1855,00 MHz Chip sized SAW package Features s Low-loss RF filter for mobile telephone s s s s 0.735 0,075 2 0,075 1 Korean PCS systems, receive path Usable passband 30 MHz Unbalanced to balanced operation Impedance transformation from 50 Ω to 100 Ω Ceramic package for Surface Mounted technology (SMT) 0,38 3 0,44 bottom view 5 4 0,68 Terminals s Ni, gold-plated side view 2,0 1,4 top view Dimensions in mm, approx. weight 0,009 g Pin configuration 1 3, 4 2,5 Input Balanced Output Case ground 1 4 2,5 3 Type B7843 Ordering code B39192-B7843-C710 Marking and Package according to C61157-A7-A111 Packing according to F61074-V8151-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Input power max. T Tstg VDC PIN – 30/+ 85 – 40/+ 85 0 0 ˚C ˚C V dBm CDMA signal 2 Nov 05, 2003 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: B7843 1855,00 MHz T = -30 to + 85˚C ZS = 50 Ω (unbalanced) ZL = 100Ω (balanced) min. typ. 1855,0 max. — MHz Center frequency Maximum insertion attenuation 1840,0 ...1870,0 Amplitude ripple (p-p) 1840,0 ...1870,0 fc αmax MHz ∆α MHz — — 3,0 3,2 dB — 1,3 1,5 dB Output phase balance (φ(S31)−φ(S21)+180˚) 1840,0 ...1870,0 MHz Output amplitude balance (|S31/S21|) 1840,0 ...1870,0 Input VSWR 1840,0 ...1870,0 Output VSWR 1840,0 ...1870,0 Attenuation 100,0 1750,0 1930,0 1960,0 ...1750,0 ...1780,0 ...1960,0 ...6000,0 MHz MHz MHz MHz MHz α MHz -10 — 10 ˚ MHz -1,0 — 1,0 dB — 2,0 2,1 — 2,2 2,3 45,0 34,0 30,0 40,0 50,0 36,0 38,0 43,0 — — — — dB dB dB dB 3 Nov 05, 2003 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Transfer function (measurement) B7843 1855,00 MHz Transfer function (wideband measurementt) 4 Nov 05, 2003 SAW Components Low-Loss Filter for Mobile Communication Data Sheet B7843 1855,00 MHz Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC WT P.O. Box 80 17 09, 81617 Munich, GERMANY © EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed. This brochure replaces the previous edition. 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 Nov 05, 2003