261852B ITF | Alldatasheet

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Technical content

245.0 MHz SAW Filter

Tel: 82-32-621-1213 2013. 03. 27 I T F Co., Ltd. 102z901, Bucheon Technopark 364, SamjeongzDong, OjeongzGu, BucheonzCity, GyounggizDo, Korea 421z809 Fax: 82-32-621-1218 Rev 1.0 1. Features /circle6 Typical 1dB bandwidth of 18.5 MHz /circle6 High attenuation /circle6 Single Ended Operation /circle6 Surface Mounted Package (SMD) 2. Electrical Specifications Source and Load Impedance = 50Ω Room Temperature: +25 ℃℃ ℃℃ Minimum Typical Maximum Center Frequency (fo) MHz z 245.0 z Insertion Loss dB z 27.0 28.5 1dB Bandwidth MHz 18.4 18.52 z 3dB Bandwidth MHz z 18.95 z 40dB Bandwidth MHz z 20.86 21.0 Amplitude Ripple (Fo ±9.0MHz) dB z 0.6 1.2 Group Delay Variation (Fo ±9.0MHz) nsec z 25 60 Absolute Delay usec z 2.16 z Ultimate Rejection dB 45 52 z Temperature Coefficient of Frequency ppm/ ℃℃ ℃℃ z z18 z L1 = 8.2nH, L2 = 10nH, L3 = 15nH, C1 = 20pF Pin Configuration Input 11 Ground 6, 12 10 9 8 7 4321 0.80±0.1 1.50±0.1 2.54±0.1 7.62±0.1 2.54±0.1 1.61±0.2 6.50±0.2 13.30±0.2 1234 10 987 6 11 Dimensions shown are nominal in millimeters Body : Al 2O3 Lid : Kovar, Ni Plated Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating Output 5 Others Ground Output 50 Ω Input 50 Ω 11 11 11 11 55 55 ITF 13A001 261852B 。。 。。245-18.5M

Tel: 82-32-621-1213 2013. 03. 27 I T F Co., Ltd. 102z901, Bucheon Technopark 364, SamjeongzDong, OjeongzGu, BucheonzCity, GyounggizDo, Korea 421z809 Fax: 82-32-621-1218 Rev 1.0 3. Typical Performance ( at +25℃℃ ℃℃ ) 1dB Bandwidth & Ripple 40dB Bandwidth 3dB Bandwidth & Group Delay Smith Chart Wide band Properties SWR(S11 & S22) CH1 S11 SWR 1 / REF 1.561 Cor PRm CH3 S22 SWR 1 / REF 1.771 CENTER 245 . 000 000 MHz SPAN 60. 000 000 MHz

23 Mar 2012 04:06:00

1: 1. 5604 245 . 000 000 MHz 2: 1. 7704 245 . 000 000 MHz CH1 S21 LOG 10 dB/ REF -27.98 dB START . 010 000 MHz STOP 800 . 000 000 MHz PRm

23 Mar 2012 04:08:00

1:-27 . 917 dB 245 . 000 000 MHz CH1 S11 1 U FS Cor PRm CH3 S22 1 U FS CENTER 245. 000 000 MHz SPAN 60. 000 000 MHz

23 Mar 2012 04:05:30

1: 57. 69722. 797 14. 809 nH 245. 000 000 MHz 2: 33. 398 16. 87310. 961 nH 245. 000 000 MHz CH1 S21 LOG 10 dB/ REF -27.16 dB CENTER 245 . 000 000 MHz SPAN 60. 000 000 MHz Cor PRm

23 Mar 2012 04:04:42

1: 0. 0000 dB 0. 000 000 MHz REF=1CH1 Markers BW : 20. 860078 MHz cent : 245 . 031682 MHz Q : 11. 746 1_loss : -27 . 073 dB CH2 S21 LOG 1 dB/ REF -26.82 dB Cor PRm CH4 S21 DEL 150 ns/ REF 2.091 us CENTER 245 . 000 000 MHz SPAN 30. 000 000 MHz Smo

23 Mar 2012 07:23:44

1: 0. 0000 dB 0. 000 000 MHz REF=1CH2 Markers BW : 18. 961029 MHz cent : 245 . 050838 MHz Q : 12. 924 1_loss : -26 . 905 dB 3: 11. 088 ns 18. 000 000 MHz REF=2 CH4 Markers mean: 2. 0914 us s. dev : 5. 5871 ns p-p : 24. 414 ns CH2 S21 LOG 1 dB/ REF -26.82 dB Cor PRm CH4 S21 LOG 1 dB/ REF -26.97 dB CENTER 245 . 000 000 MHz SPAN 30. 000 000 MHz

23 Mar 2012 07:22:39

1: 0. 0000 dB 0. 000 000 MHz REF=1CH2 Markers BW : 18. 521936 MHz cent : 245 . 044847 MHz Q : 13. 230 1_loss : -26 . 907 dB 3: . 06970 dB 18. 000 000 MHz REF=2 CH4 Markers mean:-26 . 938 dB s. dev : . 11460 dB p-p : . 57430 dB