155.5 MHz SAW Filter Part Number 251458B 1. Features Typical 1dB bandwidth of 14.1 MHz High attenuation Single Ended Operation Surface Mounted Package (SMD) 2. Electrical Specifications Source and Load Impedance = 50Ω Operating Temperature : +25℃ ℃ Minimum Typical Maximum MHz - 157.5 - dB - 26.5 28.0 1 dB Bandwidth MHz 13.95 14.1 - 3dB Bandwidth MHz - 14.5 - 40dB Bandwidth MHz - 16.3 16.45 dB - 0.45 1.0 Group Delay Variation (fo ± 6.75 MHz) nsec - 30 60 Absolute Delay usec - 2.27 - dB 50 55 - dBm - - 10 Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 6.75 MHz) Ultimate Rejection Maximum input Power ppm/℃ ℃ Temperature Coefficient of Frequency -18 20.00±0.2 9.80±0.2 10 9 8 Matching Schematic 2.30±0.1 S2098 Package Dimension 7 10 7.62±0.1 6 6 7 8 9 10 Input 50Ω ITF 13A001 251458B 。157.5-14.1M 1 2 3 4 5 L1 L2 C1 5 1.02±0.1 5 4 3 2 Output 50Ω C2 1 1.91±0.1 1.56±0.2 L1 = 56nH, L2 = 47nH, C1 = 33pF, C2 = 39pF 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 10 Ground 1,6 Output 5 Others Ground http://www.itf.co.kr [email protected] 2013. 04. 01 Rev 1.0 155.5 MHz SAW Filter Part Number 251458B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple CH1 S21 CH2 S21 LOG LOG 1 dB/ 1 dB/ 40dB Bandwidth 30 Apr 2012 16:45:26 1: 0. 0000 dB 0. 000 000 MHz 3:- . 19940 dB 13. 500 000 MHz REF -26.24 dB REF -26.66 dB CH1 S21 LOG 10 dB/ 30 Apr 2012 16:43:44 1: 0. 0000 dB 0. 000 000 MHz REF -26.5 dB CH1 Markers REF=1 BW: 14. 095008 MHz cent : 157. 442272 MHz Cor CH1 Markers REF=1 BW: 16. 301451 MHz 1 Cor cent : 157. 441172 MHz Q: 11. 170 2 Q: 9. 6581 1_loss : -26 . 579 dB 1_loss : -26 . 627 dB 1 2 3 4 3 2 CH2 Markers REF=2 mean:-26 . 490 dB Cor 3 4 s. dev : . 10450 dB p-p : . 43500 dB CENTER 157. 500 000 MHz SPAN 17. 000 000 MHz CENTER 157. 500 000 MHz 3dB Bandwidth & Group Delay CH1 S21 CH2 S21 LOG DEL 1 dB/ 50 ns/ 30 Apr 2012 16:45:48 1: 0. 0000 dB 0. 000 000 MHz 3: 7. 1013 ns 13. 500 000 MHz REF -26.24 dB REF 2.303 us SPAN 50. 000 000 MHz 50dB Bandwidth CH1 S21 LOG 10 dB/ 30 Apr 2012 16:43:55 1: 0. 0000 dB 0. 000 000 MHz REF -26.5 dB CH1 Markers REF=1 BW: 14. 496439 MHz cent : 157. 440391 MHz Cor CH1 Markers REF=1 BW: 16. 473561 MHz 1 Cor cent : 157. 450683 MHz Q: 10. 861 2 Q: 9. 5578 1_loss : -26 . 579 dB 1_loss : -26 . 627 dB 1 2 3 Smo Cor CH2 Markers REF=2 mean: 42. 2747 us s. dev : 4. 7671 ns 2 3 3 p-p : 24. 683 ns CENTER 157. 500 000 MHz SPAN 17. 000 000 MHz CENTER 157. 500 000 MHz Wideband Properties CH1 S21 LOG 10 dB/ SPAN 50. 000 000 MHz SWR(S11 & S22) 30 Apr 2012 16:50:24 1: 0. 0000 dB 0. 000 000 MHz REF -28.44 dB 4 CH1 Markers REF=1 2:-66 . 090 dB 157. 500 MHz CH1 S11 CH2 S22 SWR SWR 10 / 10 / 30 Apr 2012 16:47:12 1: 2. 0968 157. 500 000 MHz 2: 1. 8228 157. 500 000 MHz REF 2.096 REF 1.819 Cor 3:-67 . 616 dB 315. 000 MHz 1 1 Cor START . 010 000 MHz 2 STOP 600. 000 000 MHz 3 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 157. 500 000 MHz http://www.itf.co.kr SPAN 50. 000 000 MHz [email protected] 2013. 04. 01 Rev 1.0