saw components data sheet b2581
2 feb 01, 2000 saw components b2581 70,00 mhz spectrum shaping filter data sheet metal package dip16 features n spectrum shaping filter for digital radio systems n high performance passband n constant group delay n hermetically sealed metal package terminals n 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 e lectrostatic s ensitive d 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 C 40/+ 85 ?c storage temperature range t stg C 40/+ 85 ?c dc voltage v dc 0v source power p s 15 dbm source impedance 50 w
3 feb 01, 2000 saw components b2581 70,00 mhz spectrum shaping filter data sheet characteristics operating temperature: t = 35 ?c terminating source impedance: z s =50 w terminating load impedance: z l =50 w group delay aperture: 2,5 mhz 1) see next page min. typ. max. center frequency f c 69,85 70,00 70,15 mhz (center between 6 db points) insertion attenuation at f c a c 39,8 41,0 db pass band tilt 0,006 0,02 db/mhz deviation from theoretical frequency resp. 1) da f c ... f c f y 0,2 0,3 db 61,00 ... 75,00 mhz 0,1 0,2 db phase ripple (p-p) dj f c ... f c f y 2,2 3,5 ? 61,00 ... 75,00 mhz 1,2 2,0 ? relative attenuation (relative to a c ) a 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 2,0 m s ... 1,2 m s before main pulse 50,0 56,0 db 1,2 m s ... 6,0 m s after main pulse 50,0 61,0 db group delay at f c t c 1,55 m s group delay ripple (p-p) dt f c ... f c f y 3,3 6,0 ns nyquist frequency f y 11,96 mhz roll-off factor a 0,29 partitioning factor p 0,5 temperature coefficient of frequency tc f C 87 ppm/k
4 feb 01, 2000 saw components b2581 70,00 mhz spectrum shaping filter data sheet 1) theoretical frequency response: h(x) = (s(x)) p 1 for |x| 1-a s(x) = (1+cos( p (|x|-1+a)/2a))/2 for 1-a < |x| < 1+a ? 0 for 1+a |x| x = (f-f c )/f y
5 feb 01, 2000 saw components b2581 70,00 mhz spectrum shaping filter data sheet normalized frequency response normalized frequency response
6 feb 01, 2000 saw components b2581 70,00 mhz spectrum shaping filter data sheet published by epcos ag surface acoustic wave components division, ofw e nk p.o. box 80 17 09, d-81617 mnchen ? epcos ag 1999. all rights reserved. a s 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. t he information describes the type of component and shall not be considered as assured characteristics. t erms of delivery and rights to change design reserved. for questions on technology, prices and delivery please contact the sales offices of epcos ag or t he international representatives. due to technical requirements components may contain dangerous substances. for information on t he type in question please also contact one of our sales offices.
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