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