SAW Components Data Sheet B2582 SAW Components B2582 Spectrum Shaping Filter 140,0 MHz Data Sheet Ceramic package QCC 12 Features ● ● ● ● Spectrum shaping filter for digital radio systems High performance passband Constant group delay Hermetically sealed ceramic package Terminals ● Ni, gold plated Dimensions in mm, approx. weight 3,0 g Pin configuration 1 3 7 9 2, 6, 8, 12 4, 5, 10, 11 Input - ground Input Output - ground Output Case - ground Not connected Type Ordering code B2582 B39141-B2582-Z515 Marking and Package according to C61157-A7-A55 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 15 2 ˚C ˚C V dBm Apr 04, 2001 Packing according to F61074-V8026-Z000 SAW Components B2582 Spectrum Shaping Filter 140,0 MHz Data Sheet Characteristics Operating temperature: Terminating source impedance: Terminating load impedance: Group delay aperture T = 25 ˚C ZS = 50 Ω ZL = 50 Ω 2.5 MHz min. Center frequency (center between 6 dB points) fC Insertion attenuation at fC αC Pass band tilt — — Deviation from theoretical frequency resp.1) fC ... fC±fY ∆α Deviation from linear phase fC ∆ϕ ... fC±fY Relative attenuation (relative to αC) 30,0 ... 110,5 169,5 ... 240,0 ... τC ∆τC fC±fY Temperature coefficient of frequency 29 0,00 140,15 MHz 31 dB 0,02 dB/MHz — ± 0,2 ± 0,3 — ± 1,1 ± 1,75 ˚ 38 33 44 37 — — dB dB 48 44 53 46 — — dB dB — µs 4,0 — — — ns MHz — ppm/K — 0,94 fY a p — — — — 2,4 19,44 0,5 0,5 TCf — 1) Theoretical frequency response: H(x) = (S(x))p 1 S(x) = (1+cos(π·(|x|-1+a)/2a))/2 0 x = (f-fC)/fY 140,00 max. dB αrel MHz MHz Reflected wave signal suppression 0,6 µs ... 2,8 µs after main pulse 0,94 µs ... 0,6 µs before main pulse Group delay at fC Group delay Ripple (p-p) fC Nyquist frequency Roll-off factor Partitioning factor 139,85 typ. for |x| ≤ 1+a for 1-a < |x| < 1+a for 1+a ≤ |x| 3 Apr 04, 2001 – 87 SAW Components B2582 Spectrum Shaping Filter 140,0 MHz Data Sheet Normalized frequency response Normalized frequency response 4 Apr 04, 2001 SAW Components B2582 Spectrum Shaping Filter 140,0 MHz Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS P.O. Box 80 17 09, D-81617 München EPCOS AG 1999. 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 Apr 04, 2001