SAW Components Preliminary Data Sheet B4057 EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS' prior express consent is prohibited. EPCOS AG is a TDK Group Company. SAW Components B4057 1228.0 MHz Low Loss Filter PreliminaryData Sheet Ceramic package DCC6D Features ● ● ● ● ● 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 ● Ni, gold-plated Dimensions in mm, approx. weight 0,037 g Pin configuration 2 4, 6 1, 3, 5 1, 3, 5 Type B4057 Input, unbalanced Output, balanced To be grounded Case ground Ordering code B39122-B4057-U510 Marking and Package Packing according to according to C61157-A7-A68 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 2 ˚C ˚C V dBm Feb 6, 2001 source impedance 50 Ω SAW Components B4057 1228.0 MHz Low Loss Filter PreliminaryData Sheet Characteristics T = -40 ˚C to +85 ˚C ZS = 50 Ω ZL = 50 Ω (balanced) Operating temperature range: Terminating source impedance: Terminating load impedance: fc Center frequency min. typ. max. — 1228,0 — — 3,0 3,5 dB — 1,0 1,5 dB MHz αmax Maximum insertion attenuation 1218,0 ...1238,0 MHz Amplitude ripple (p-p) 1218,0 ...1238,0 MHz ∆α α 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 3 35,0 30,0 11,0 10,0 28,0 33,0 27,0 18,0 Feb 6, 2001 53,0 48,0 30,0 23,0 31,0 48,0 48,0 28,0 — — — — — — — — dB dB dB dB dB dB dB dB SAW Components B4057 1228.0 MHz Low Loss Filter PreliminaryData Sheet Transfer function Transfer function (wide band) 4 Feb 6, 2001 SAW Components B4057 1228.0 MHz Low Loss Filter PreliminaryData Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS PD WL P.O. Box 80 17 09, D-81617 München EPCOS AG 2000. 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 Feb 6, 2001