B4057

www.DataSheet4U.com SAW Components Preliminary Data Sheet B4057 SAW Components Low Loss Filter PreliminaryData Sheet B4057 1228.0 MHz Ceramic package DCC6D Features q q q q q Low loss RF filter for GPS receivers Usable passband 20 MHz Low insertion attenuation, low amplitude ripple Unbalanced to balanced operation Ceramic package for Surface Mounted Technology (SMT) Terminals q Ni, gold-plated Dimensions in mm, approx. weight 0,037 g Pin configuration 2 4, 6 1, 3, 5 1, 3, 5 Input, unbalanced Output, balanced To be grounded Case ground Type B4057 Ordering code B39122-B4057-U510 Marking and Package according to C61157-A7-A68 Packing according to F61074-V8089-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 0 ˚C ˚C V dBm source impedance 50 Ω 2 Feb 6, 2001 SAW Components Low Loss Filter PreliminaryData Sheet B4057 1228.0 MHz Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: T = -40 ˚C to +85 ˚C ZS = 50 Ω ZL = 50 Ω (balanced) min. Center frequency Maximum insertion attenuation 1218,0 ...1238,0 Amplitude ripple (p-p) 1218,0 ...1238,0 Absolute attenuation 0,0 1088,0 1178,0 1263,0 1278,0 1368,0 1785,0 2500,0 ... 1088,0 ... 1178,0 ... 1193,0 ... 1278,0 ... 1368,0 ... 1785,0 ... 2500,0 ... 4000,0 MHz MHz MHz MHz MHz MHz MHz MHz typ. 1228,0 max. — MHz fc αmax MHz ∆α MHz α — — 3,0 3,5...