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| SAW Components Data Sheet X 7251 D SAW Components Bandpass Filter Data Sheet X 7251 D 36,17 MHz Duroplast package SIP5D Features s s s s IF filter for digital TV Switchable between two bandwidths Optimized for cascade of two devices Standard IC package 1 2 3 13,7 4 5 2,4 Terminals s Tinned CuFe alloy 0,65 4x 2,54 Dimensions in mm, approx. weight 0,5 g Pin configuration 1 2 3 4 5 Input Switching input Chip carrier - ground Output Output 1 3,4 0,38 4,8 4 2 5 3 Type X 7251 D Ordering code B39362-X7251-N201 Marking and package according to C61157-A1-A21 Packing according to F61074-V8049-Z000 Maximum ratings Operable temperature range TA Storage temperature range Tstg DC voltage AC voltage -25/+65 -40/+85 5 10 C C V V between any terminals between any terminals VDC Vpp 2 Dec 08, 2003 SAW Components Bandpass Filter Data Sheet Characteristics of channel 1 (switching pin 2 connected to ground) Reference temperature: Terminating source impedance: Terminating load impedance: X 7251 D 36,17 MHz TA = 25 C ZS = 50 ZL = 2 k || 3 pF min. typ. 21,0 max. 22,5 dB Insertion attenuation Reference level for the following data Pass bandwidth rel < 1,5 dB rel < 3 dB rel < 15 dB rel < 30 dB Relative attenuation Lower sidelobe Upper sidelobe 36,17 MHz 19,5 B1,5dB B3dB B15dB B30dB rel 25,00 ... 31,15 MHz 41,15 ... 42,00 MHz 42,00 ... 45,00 MHz 7,4 7,7 8,6 8,8 7,7 8,0 8,9 9,4 8,0 8,3 9,2 10,0 MHz MHz MHz MHz 35,0 31,0 37,0 41,0 37,0 44,0 dB dB dB Reflected wave signal suppression 1,1 s ... 6,0 s after main pulse (test pulse 250 ns, carrier frequency 36,17 MHz) Feedthrough signal suppression 1,3 s ... 1,2 s before main pulse (test pulse 250 ns, carrier frequency 36,17 MHz) Group delay ripple (p-p) 32,25 ... 40,05 MHz Impedance at 36,17 MHz Input: ZIN = RIN || CIN Output: ZOUT = ROUT || COUT Temperature coefficient of frequency 42,0 50,0 -- dB -- 50,0 -- dB -- -- -- 50 1,7 ||17,3 2,4 || 4,3 -72 -- -- -- -- ns k || pF k || pF ppm/K TCf -- 3 Dec 08, 2003 SAW Components Bandpass Filter Data Sheet Characteristics of channel 2 (switching pin 2 connected to pin 1) Reference temperature: Terminating source impedance: Terminating load impedance: X 7251 D 36,17 MHz TA = 25 C ZS = 50 ZL = 2 k || 3 pF min. typ. 21,0 max. 22,5 dB Insertion attenuation Reference level for the following data Pass bandwidth rel < 1,5 dB rel < 3 dB rel < 15 dB rel < 30 dB Relative attenuation Lower sidelobe Upper sidelobe 36,17 MHz 19,5 B1,5dB B3dB B15dB B30dB rel 25,00 ... 31,55 MHz 40,75 ... 45,00 MHz 6,4 6,7 7,7 7,9 6,7 7,0 8,0 8,5 7,0 7,3 8,3 9,1 MHz MHz MHz MHz 35,0 33,0 41,0 38,0 dB dB Reflected wave signal suppression 1,1 s ... 6,0 s after main pulse (test pulse 250 ns, carrier frequency 36,17 MHz) Feedthrough signal suppression 1,3 s ... 1,2 s before main pulse (test pulse 250 ns, carrier frequency 36,17 MHz) Group delay ripple (p-p) 32,75 ... 39,55 MHz Impedance at 36,17 MHz Input: ZIN = RIN || CIN Output: ZOUT = ROUT || COUT Temperature coefficient of frequency 42,0 50,0 -- dB -- 50,0 -- dB -- -- -- 50 1,5 ||20,9 2,4 || 4,3 -72 -- -- -- -- ns k || pF k || pF ppm/K TCf -- 4 Dec 08, 2003 SAW Components Bandpass Filter Data Sheet Frequency response of channel 1 X 7251 D 36,17 MHz 5 Dec 08, 2003 SAW Components Bandpass Filter Data Sheet Frequency response of channel 1 X 7251 D 36,17 MHz Time domain response of channel 1 6 Dec 08, 2003 SAW Components Bandpass Filter Data Sheet Frequency response of channel 2 X 7251 D 36,17 MHz 7 Dec 08, 2003 SAW Components Bandpass Filter Data Sheet Frequency response of channel 2 X 7251 D 36,17 MHz Time domain response of channel 2 8 Dec 08, 2003 SAW Components Bandpass Filter Data Sheet X 7251 D 36,17 MHz Published by EPCOS AG Surface Acoustic Wave Components Division, SAW CE MM PD P.O. Box 80 17 09, 81617 Munich, GERMANY (c) EPCOS AG 2003. 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. 9 Dec 08, 2003 |
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