250.0 MHz SAW Filter Part Number262151B 1. Features Typical 1dB bandwidth of 20.6 MHz High attenuation Single Ended Operation Surface Mounted Package (SMD) 2. Electrical Specifications Source and Load Impedance = 50Ω Minimum Typical Maximum Operating Temperature : 0℃ ℃ ~ 80℃ ℃ Center Frequency (fo) MHz Insertion Loss dB 1dB Bandwidth MHz 3dB Bandwidth MHz 25dB Bandwidth MHz 40dB Bandwidth MHz Amplitude Ripple (fo ± 9.75 MHz) dB Group Delay Variation (fo ± 9.75 MHz) nsec Absolute Delay usec Ultimate Rejection dB Temperature Coefficient of Frequency ppm/℃ ℃ Room Temperature : +25℃ ℃ 20.45 40 27.0 23.4 1.2 80 Minimum 250.0 25.0 20.67 22.03 22.47 22.97 0.7 50 1.22 45 -18 Typical Maximum - Insertion Loss dB - 25.0 27.0 Amplitude Ripple (fo ± 9.93 MHz) dB - 0.7 1.2 nsec - 50 80 Group Delay Variation (fo ± 9.93 MHz) S1365 Package Dimension 13.30±0.2 8 7 1 2 3 8 9 10 11 6 6 ITF 12A001 262151B 。250-20.6M 12 7 11 5 C1 L2 Output 50 Ω C2 1.50±0.1 5 5 4 2.54±0.1 11 9 L1 Input 50 Ω 7.62±0.1 1.61±0.2 6.50±0.2 10 Matching Schematic 12 4 3 2 2.54±0.1 1 0.80±0.1 L1 = 10nH, L2 = 22nH C1 = 12pF, C2 = 36pF Pin Configuration Dimensions shown are nominal in millimeters Body : Al2O3 Lid : Kovar, Ni Pla ted Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Tel: 82-32-621-1213 Fax: 82-32-621-1218 Input 11 Ground 6,12 Output 5 Others Ground http://www.itf.co.kr [email protected] 2013. 05. 13 Rev 1.1 250.0 MHz SAW Filter Part Number262151B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple CH1 S21 CH2 S21 LOG LOG 1 dB/ 1 dB/ 40dB Bandwidth 25 Sep 2012 00:15:07 1: 0. 0000 dB 0. 000 000 MHz 3: . 55080 dB 19. 860 000 MHz REF -24.43 dB REF -25.02 dB CH1 Markers REF=1 BW: 20. 674132 MHz PRm CH1 S21 LOG 10 dB/ CH1 Markers REF=1 BW: 22. 966368 MHz PRm 1 cent : 250. 158956 MHz Q: 12. 100 cent : 250. 153979 MHz Q: 10. 892 2 1_loss : -25 . 022 dB Cor 25 Sep 2012 00:01:47 1: 0. 0000 dB 0. 000 000 MHz REF -24.86 dB 1_loss : -24 . 871 dB Cor 1 2 3 3 4 PRm CH2 Markers mean:-24REF=2 . 815 dB 2 3 4 s. dev : . 15250 dB p-p : . 70030 dB Cor CENTER 250. 000 000 MHz SPAN 25. 000 000 MHz CENTER 250. 000 000 MHz 3dB Bandwidth & Group Delay CH1 S21 CH2 S21 LOG DEL 1 dB/ 100 ns/ 25 Sep 2012 00:15:53 1: 0. 0000 dB 0. 000 000 MHz 3: 10. 859 ns 19. 860 000 MHz REF -24.43 dB REF 1.207 us CH1 Markers REF=1 BW: 21. 055964 MHz PRm SPAN 68. 000 000 MHz 15dB Bandwidth & 25dB Bandwidth CH1 S21 CH3 S21 LOG LOG 10 dB/ 10 dB/ 25 Sep 2012 00:02:47 1: 0. 0000 dB 0. 000 000 MHz 1: 0. 0000 dB 0. 000 000 MHz REF -24.84 dB REF -24.83 dB CH1 Markers REF=1 BW: 22. 037606 MHz PRm cent : 250. 151017 MHz 1 cent : 250. 155817 MHz 2 1_loss : -24 . 858 dB Q: 11. 880 Q: 11. 351 1_loss : -25 . 008 dB Cor Cor 1 2 3 4 3 4 3 PRm Smo 2 3 CH2 Markers mean: 1. REF=2 2256 us CH3 Markers REF=1 BW: 22. 470460 MHz s. dev : 4 10. 814 ns cent : 250. 153447 MHz p-p : 44. 800 ns Q: 11. 133 1_loss : -24 . 858 dB Cor CENTER 250. 000 000 MHz SPAN 25. 000 000 MHz CENTER 250. 000 000 MHz Wide band Properties CH1 S21 LOG 10 dB/ REF -25.29 dB SPAN 68. 000 000 MHz SWR(S11 & S22) 25 Sep 2012 00:08:45 1:-25 . 319 dB 250. 000 000 MHz CH1 S11 CH2 S22 SWR SWR 5 / 5 / 25 Sep 2012 00:04:50 1: 7. 7083 250. 000 000 MHz 2: 1. 2892 250. 000 000 MHz REF 7.714 REF 1.289 PRm PRm 1 Cor 1 PRm 2 Cor START . 010 000 MHz STOP1 000. 000 000 MHz I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Tel: 82-32-621-1213 Fax: 82-32-621-1218 CENTER 250. 000 000 MHz http://www.itf.co.kr SPAN 68. 000 000 MHz [email protected] 2013. 05. 13 Rev 1.1