B2581 EPCOS | Alldatasheet
Document overview
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Technical content
2 Feb 01, 2000
70,00 MHzSpectrum Shaping Filter Data Sheet Metal packageDIP16
Features
■ Spectrum shaping filter for digital radio systems ■ High performance passband ■ Constant group delay ■ Hermetically sealed metal package Terminals ■ Gold plated NiFeCo alloy Dimensions in mm, approx. weight 4,2 g Pin configuration
2 Input - ground
3 Input
10 Output - ground
11 Output
1, 5, 8, 9, 12, 16 Case - ground 6, 7, 14 15 Not connected ElectrostaticSensitiveD evice (ESD ) Type Ordering code Marking and Package according to Packing according to B2581 B39700-B2581-E110 C61157-A7-A11 F61074-V8073-Z000 Maximum ratings Operable temperature range T – 40/+ 85 ˚C Storage temperature rangeTstg – 40/+ 85 ˚C DC voltage VDC 0V Source power Ps 15 dBm source impedance 50 Ω
3 Feb 01, 2000
70,00 MHzSpectrum Shaping Filter Data Sheet Characteristics Operating temperature: T = 35 ˚C Terminating source impedance: ZS =5 0 Ω Terminating load impedance: ZL =5 0 Ω Group delay aperture: 2,5 MHz 1) see next page min. typ. max. Center frequency fC 69,85 70,00 70,15 MHz (center between 6 dB points) Insertion attenuationat fC α C — 39,8 41,0 dB Pass band tilt — 0,006 0,02 dB/MHz Deviation from theoretical frequency resp.1) Δα fC ... fC ±fY — ± 0,2 ± 0,3 dB Phase ripple (p-p) Δϕ Relative attenuation(relative toα C ) α rel 30,00 ... 54,50 MHz 34,0 40,0 — dB 85,50 ... 110,00 MHz 32,0 36,0 — dB Reflected wave signal suppression 2,0µs ... 1,2µs before main pulse 50,0 56,0 — dB 1,2µs ... 6,0µs after main pulse 50,0 61,0 — dB Group delayatfC τC — 1,55 — µs Group delay ripple (p-p) Δτ fC ... fC ±fY — 3,3 6,0 ns Nyquist frequency fY — 11,96 — MHz Roll-off factor a — 0,29 — Partitioning factor p — 0,5 — Temperature coefficient of frequency TC f — – 87 — ppm/K
4 Feb 01, 2000
70,00 MHzSpectrum Shaping Filter Data Sheet 1) Theoretical frequency response: H(x) = (S(x))p 1 for |x| ≤ 1-a S(x) =(1+cos(π·(|x|-1+a)/2a))/2 for 1-a < |x| < 1+a 0 for 1+a ≤ |x| x = (f-fC )/fY
5 Feb 01, 2000
70,00 MHzSpectrum Shaping Filter Data Sheet Normalized frequency response Normalized frequency response
6 Feb 01, 2000
70,00 MHzSpectrum Shaping Filter Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, OFW E NK 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 compo- nents 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.