SAW Components Data Sheet B3858 SAW Components B3858 Low-Loss Filter 924,5 MHz Data Sheet Ceramic package DCC6C Features Low-loss RF filter for TETRA phone Usable bandwidth 5 MHz No matching required for operation at 50 Ω Package for Surface Mounted Technology (SMT) ● Hermetically sealed ceramic package ● ● ● ● Terminals ● Gold-plated typ. Dimensions in mm, approx. weight 0,037 g Pin configuration 2 5 1, 3, 4, 6 Type B3858 Input Output To be grounded Ordering code B39921-B3858-U410 Marking and Package Packing according to according to C61157-A7-A67 F61074-V8088-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power (cw) TA Tstg VDC Ps -35 / +85 -40 / +85 0 6 2 ˚C ˚C V dBm source impedance 50 Ω May 24, 2002 SAW Components B3858 Low-Loss Filter 924,5 MHz Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: TA = 25 ± 10 ˚C ZS = 50 Ω ZL = 50 Ω Nominal frequency fN Maximum insertion attenuation 922,0 MHz ... 927,0 MHz αmax Amplitude ripple (p-p) 922,0 MHz ... 927,0 MHz ∆α Group delay ripple (p-p) 922,0 MHz ... 927,0 MHz ∆τ Return loss (Input and Output) 922,0 MHz ... 927,0 MHz Absolute attenuation 0,1 MHz ... 937,0 MHz ... 942,0 MHz ... 947,0 MHz ... 952,0 MHz ... 2000,0 MHz ... min. typ. max. — 924,5 — — 1,8 2,8 dB — 0,3 1,0 dB MHz — 15 40 ns 11,0 17,0 — dB 12 10 14 18 26 15 34 16 27 29 29 26 — — — — — — dB dB dB dB dB dB — – 36 — ppm/K αabs 895,0 MHz 942,0 MHz 947,0 MHz 952,0 MHz 2000,0 MHz 4000,0 MHz TCf Temperature coefficient of frequency 3 May 24, 2002 SAW Components B3858 Low-Loss Filter 924,5 MHz Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: TA = -30 ... +75 ˚C ZS = 50 Ω ZL = 50 Ω Nominal frequency fN Maximum insertion attenuation 922,0 MHz ... 927,0 MHz αmax Amplitude ripple (p-p) 922,0 MHz ... 927,0 MHz ∆α Group delay ripple (p-p) 922,0 MHz ... 927,0 MHz ∆τ Return loss (Input and Output) 922,0 MHz ... 927,0 MHz Absolute attenuation 0,1 MHz ... 937,0 MHz ... 942,0 MHz ... 947,0 MHz ... 952,0 MHz ... 2000,0 MHz ... min. typ. max. — 924,5 — — 2,0 3,4 dB — 0,3 1,3 dB MHz — 20 40 ns 11,0 17,0 — dB 10 8 12 15 26 15 34 14 27 29 29 26 — — — — — — dB dB dB dB dB dB — – 36 — ppm/K αabs 895,0 MHz 942,0 MHz 947,0 MHz 952,0 MHz 2000,0 MHz 4000,0 MHz TCf Temperature coefficient of frequency 4 May 24, 2002 SAW Components B3858 Low-Loss Filter 924,5 MHz Data Sheet Transfer function Transfer function (pass band, 25 ± 10 ˚C) 5 May 24, 2002 SAW Components B3858 Low-Loss Filter 924,5 MHz Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS 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. 6 May 24, 2002