B3821

SAW Components Data Sheet B3821 SAW Components Low-Loss Filter Data Sheet B3821 860,5 MHz Ceramic package QCC8B Features Low-loss filter for TETRA Usable bandwidth 19 MHz No matching required for operation at 50 Ω Package for Surface Mounted Technology (SMT) q Hermetically sealed ceramic package q q q q Terminals q Gold-plated typ. Dimensions in mm, approx. weight 0,07 g Pin configuration 2 6 1, 3, 4, 5, 7, 8 Input Output To be grounded Type B3821 Ordering code B39861-B3821-Z810 Marking and Package according to C61157-A7-A46 Packing according to F61074-V8037-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range TA Storage temperature range Tstg DC voltage VDC Input power max. PIN -40 / +85 -40 / +85 0 15 ,0 2 ˚C ˚C V dBm source impedance 50 Ω CW for min. 10 000 h, 85 ˚C Aug 28, 2001 SAW Components Low-Loss Filter Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: B3821 860,5 MHz TA = +15 ... +35 ˚C ZS = 50 Ω ZL = 50 Ω min. Nominal frequency Maximum insertion attenuation 851,0 MHz ... 870,0 MHz Amplitude ripple (p-p) 851,0 MHz ... 870,0 MHz Input and output return loss 851,0 MHz ... 870,0 MHz Absolute attenuation 0,1 MHz ... 797,0 MHz 797,0 MHz ... 813,0 MHz 813,0 MHz ... 829,0 MHz 829,0 MHz ... 833,0 MHz 904,0 MHz ... 959,0 MHz 959,0 MHz ... 1089,0 MHz 1089,0 MHz ... 2000,0 MHz αabs 45 40 35 25 30 50 30 typ. 860,5 max. — MHz fN αmax — — ∆α — 2,2 2,5 dB 0,45 0,7 dB 12 16 — dB 55 50 43 40 40 60 42 — — — — — — — dB dB dB dB dB dB dB Temperature coefficient of frequency TCf — – 36 — ppm/K 3 Aug 28, 2001 SAW Components Low-Loss Filter Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: B3821 860,5 MHz TA = -30 ... +70 ˚C ZS = 50 Ω ZL = 50 Ω min. Nominal frequency Maximum insertion attenuation 851,0 MHz ... 870,0 MHz Amplitude ripple (p-p) 851,0 MHz ... 870,0 MHz Input and output return loss 851,0 MHz ... 870,0 MHz Absolute attenuation 0,1 MHz ... 797,0 MHz 797,0 MHz ... 813,0 MHz 813,0 MHz ... 829,0 MHz 829,0 MHz ... 833,0 MHz 904,0 MHz ... 959,0 MHz 959,0 MHz ... 1089,0 MHz 1089,0 MHz ... 2000,0 MHz αabs 45 40 35 19 30 50 30 typ. 860,5 max. — MHz fN αmax — — ∆α — 2,3 2,7 dB 0,55 0,8 dB 12 16 — dB 55 50 43 40 40 60 42 — — — — — — — dB dB dB dB dB dB dB Temperature coefficient of frequency TCf — – 36 — ppm/K 4 Aug 28, 2001 SAW Components Low-Loss Filter Data Sheet Transfer function (+15 ˚C ... +35 ˚C) B3821 860,5 MHz Transfer function (pass band; +15 ˚C ... +35 ˚C) 5 Aug 28, 2001 SAW Components Low-Loss Filter Data Sheet B3821 860,5 MHz Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS P.O. Box 80 17 09, D-81617 München © EPCOS AG 2001. All Rights Reserved. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited. The information contained in this brochure describes the type of component and shall not be considered as guaranteed characteristics. 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 Aug 28, 2001