198.0 MHz SAW Filter Part Number 251860B 1. Features Typical 1dB bandwidth of 18.9 MHz High attenuation Single Ended Operation Surface Mounted Package (SMD) 2. Electrical Specifications Source and Load Impedance = 50Ω Room Temperature : +25℃ ℃ Minimum Typical Maximum MHz - 198.0 - dB - 23.5 25.0 1dB Bandwidth MHz 18.75 18.90 - 3dB Bandwidth MHz - 19.36 - 40dB Bandwidth MHz - 21.21 21.40 dB - 0.6 1.2 Group Delay Variation (fo ± 9.05 MHz) nsec - 40 80 Absolute Delay usec - 1.97 2.0 dB 45 53 - ppm/℃ - -18 - fo ± 10.4925 MHz dBc - 25 fo ± 10.7425 MHz dBc 40 50 Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 9.05 MHz) Ultimate Rejection Temperature Coefficient of Frequency Relative Attenuation Input POWER : +10dBm S1365 Package Dimension 13.30± 0.2 8 7.62± 0.1 7 ITF 13A001 251860B 。198-18.9M 11 12 1 2 3 7 9 8 10 11 6 6 L2 Input 50Ω 11 5 L3 Output 50Ω 1.50± 0.1 5 4 5 2.54± 0.1 9 1.61± 0.2 6.50± 0.2 10 Matching Schematic 12 4 3 2 2.54± 0.1 L1 L4 1 0.80± 0.1 L1 = 18nH, L2 = L3 = 3.3nH, L4 = 15nH Dimensions shown are nominal in millimeters Pin Configuration Body : Al2O3 Lid : Kovar, Ni Plated 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. 04. 30 Rev 1.0 198.0 MHz SAW Filter Part Number 251860B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple CH1 S21 CH2 S21 LOG LOG 1 dB/ 1 dB/ 40dB Bandwidth 6 Feb 2013 16:41:46 1: 0. 0000 dB 0. 000 000 MHz 3: . 08520 dB 18. 100 000 MHz REF -23.32 dB REF -23.85 dB CH1 Markers REF=1 BW: 18. 888858 MHz PRm CH1 S21 LOG 10 dB/ 6 Feb 2013 16:39:48 1: 0. 0000 dB 0. 000 000 MHz REF -23.58 dB * PRm CH1 Markers REF=1 BW: 21. 214218 MHz 1 cent : 197. 948447 MHz Q: 10. 480 cent : 197. 936691 MHz Q: 9. 3304 2 1_loss : -23 . 442 dB 1_loss : -23 . 584 dB 1 Cor Cor 2 3 4 3 PRm 2 CH2 Markers mean:-23REF=2 . 511 dB 3 4 s. dev : . 13320 dB p-p : . 61780 dB Cor CENTER 198. 000 000 MHz CENTER 198. 000 000 MHz SPAN 22. 000 000 MHz 3dB Bandwidth & Group Delay CH1 S21 CH2 S21 LOG DEL 1 dB/ 50 ns/ 6 Feb 2013 16:42:13 1: 0. 0000 dB 0. 000 000 MHz 3: 3. 8208 ns 18. 100 000 MHz REF -23.32 dB REF 1.962 us CH1 Markers REF=1 BW: 19. 361692 MHz PRm SPAN 65. 000 000 MHz Relative Attenuation CH1 S21 LOG 10 dB/ 6 Feb 2013 16:40:47 1: 0. 0000 dB 0. 000 000 MHz REF -23.58 dB * PRm CH1 Markers REF=1 2:-25 . 222 dB -10 . 4925 MHz 1 cent : 197. 944625 MHz 3:-46 . 938 dB -10 . 7425 MHz Q: 10. 224 1_loss : -23 . 438 dB 4:-35 . 285 dB 10. 4925 MHz 1 Cor Cor 5:-62 . 829 dB 10. 7425 MHz 2 2 3 PRm 4 Smo 3 CH2 Markers mean: 1.4REF=2 9785 us 2 s. dev : 5. 5714 ns 3 p-p : 26. 009 ns Cor 5 CENTER 198. 000 000 MHz SPAN 22. 000 000 MHz CENTER 198. 000 000 MHz Wideband Properties CH1 S21 LOG 10 dB/ SWR(S11 & S22) 6 Feb 2013 16:43:53 1: 0. 0000 dB 0. 000 000 MHz REF -24.06 dB SPAN 65. 000 000 MHz CH1 Markers REF=1 2:-61 . 871 dB 198. 000 MHz PRm CH1 S11 CH2 S22 SWR SWR 2 / 2 / 6 Feb 2013 16:43:08 1: 1. 8983 198. 000 000 MHz 2: 1. 3288 198. 000 000 MHz REF 1.897 REF 1.329 PRm 3:-59 . 714 dB 396. 000 MHz 1 Cor 1 PRm 2 Cor 3 2 START . 010 000 MHz STOP 700. 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 198. 000 000 MHz http://www.itf.co.kr SPAN 65. 000 000 MHz [email protected] 2013. 04. 30 Rev 1.0