185.0 MHz SAW Filter Part Number251671B 1. Features Typical 1dB bandwidth of 15.5 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 ± 7.25 MHz) dB Group Delay Variation (fo ± 7.25 MHz) nsec Absolute Delay usec Ultimate Rejection dB Temperature Coefficient of Frequency ppm/℃ ℃ Room Temperature : +25℃ ℃ 15.35 40 27.5 18.2 1.2 80 Minimum 185.0 25.5 15.57 16.03 17.48 17.9 0.45 50 1.30 45 -18 Typical Maximum - Insertion Loss dB - 25.5 27.5 Amplitude Ripple (fo ± 7.38 MHz) dB - 0.45 1.2 nsec - 50 80 Group Delay Variation (fo ± 7.38 MHz) S1365 Package Dimension 13.30±0.2 8 7 ITF 12A001 251671B 。185-15.5M 12 1 2 3 4 7 8 9 10 11 6 6 11 5 C1 L2 Output 50 Ω C2 1.50±0.1 5 5 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 = 18nH, L2 = 39nH C1 = 30pF, C2 = 39pF 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 1.1 185.0 MHz SAW Filter Part Number251671B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple CH1 S21 CH2 S21 LOG LOG 1 dB/ 1 dB/ 40dB Bandwidth 18 Sep 2012 15:16:42 1: 0. 0000 dB 0. 000 000 MHz 3: . 03640 dB 14. 760 000 MHz REF -25.2 dB REF -25.61 dB CH1 S21 LOG 10 dB/ 18 Sep 2012 15:15:16 1: 0. 0000 dB 0. 000 000 MHz REF -25.38 dB CH1 Markers REF=1 BW: 15. 571751 MHz cent : 185. 020064 MHz Cor CH1 Markers REF=1 BW: 17. 900417 MHz 1 Cor cent : 184. 998807 MHz Q: 11. 882 2 Q: 10. 335 1_loss : -25 . 310 dB 1 1_loss : -25 . 361 dB 2 3 4 CH2 Markers 3 REF=2 mean:-25 . 389 dB Cor 3 4 s. dev : . 10540 dB 2 p-p : . 43030 dB CENTER 185. 000 000 MHz CENTER 185. 000 000 MHz SPAN 18. 000 000 MHz 3dB Bandwidth & Group Delay CH1 S21 CH2 S21 LOG DEL 1 dB/ 100 ns/ 18 Sep 2012 15:17:14 1: 0. 0000 dB 0. 000 000 MHz 3:-9 . 0281 ns 14. 760 000 MHz REF -25.2 dB REF 1.282 us SPAN 55. 000 000 MHz 15dB Bandwidth & 25dB Bandwidth CH1 S21 CH3 S21 LOG LOG 10 dB/ 10 dB/ 18 Sep 2012 15:16:02 1: 0. 0000 dB 0. 000 000 MHz 1: 0. 0000 dB 0. 000 000 MHz REF -25.38 dB REF -25.35 dB CH1 Markers REF=1 BW: 16. 036668 MHz cent : 185. 016650 MHz Cor CH1 Markers REF=1 BW: 17. 063672 MHz cent : 185. 005541 MHz 1 Cor Q: 11. 537 Q: 10. 842 2 1_loss : -25 . 304 dB 1 1_loss : -25 . 368 dB Cor 2 3 4 3 4 3 2 Smo Cor 3 CH2 Markers REF=2 4 mean: 1. 3048 us CH3 Markers REF=1 BW: 17. 481468 MHz s. dev : 11. 565 ns cent : 185. 001571 MHz p-p : 47. 641 ns Q: 10. 583 1_loss : -25 . 368 dB CENTER 185. 000 000 MHz SPAN 18. 000 000 MHz CENTER 185. 000 000 MHz Wide band Properties CH1 S21 LOG 10 dB/ REF -26.74 dB SPAN 55. 000 000 MHz SWR(S11 & S22) 18 Sep 2012 15:18:56 1:-26 . 725 dB 185. 000 000 MHz CH1 S11 CH2 S22 SWR SWR 2 / 2 / 18 Sep 2012 15:18:22 1: 5. 9070 185. 000 000 MHz 2: 1. 2596 185. 000 000 MHz REF 5.908 REF 1.5199 Cor 1 1 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 2 CENTER 185. 000 000 MHz http://www.itf.co.kr SPAN 55. 000 000 MHz [email protected] 2013. 05. 13 Rev 1.1