142.5 MHz SAW Filter Part Number 250254B 1. Features Typical 1dB bandwidth of 2.5 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 - 142.5 - dB - 22.5 24.0 1dB Bandwidth MHz 2.35 2.5 - 3dB Bandwidth MHz - 2.83 - 40dB Bandwidth MHz - 4.3 4.45 dB - 0.3 1.0 Group Delay Variation (fo ± 1.0 MHz) nsec - 60 150 Absolute Delay usec - 1.83 - dB 48 52 - ppm/℃ ℃2 - -0.03 - Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 1.0 MHz) Ultimate Rejection Temperature Coefficient of Frequency S1365 Package Dimension 13.30±0.2 8 7.62±0.1 7 ITF 11A001 250254B . 142.5-2.5M 11 12 1 2 3 7 8 9 10 6 6 270nH L1 11 1.50±0.1 5 5 4 2.54±0.1 9 1.61±0.2 6.50±0.2 10 Matching Schematic 12 4 3 2 2.54±0.1 Input 50 Ω 11 5 270nH L2 Output 50 Ω 1 0.80±0.1 Pin Configuration Dimensions shown are nominal in millimeters 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] 2011. 11. 04 Rev 1.0 142.5 MHz SAW Filter Part Number 250254B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple CH1 S21 CH2 S21 LOG LOG 1 dB/ 1 dB/ 3dB Bandwidth & Group Delay 11 Feb 2011 18:25:20 1: 0. 0000 dB 0. 000 000 MHz 3: . 11030 dB 2. 000 000 MHz REF -21.97 dB REF -22.23 dB BW: LOG DEL 1 dB/ 100 ns/ 11 Feb 2011 18:26:13 1: 0. 0000 dB 0. 000 000 MHz 3: 6. 9090 ns 2. 000 000 MHz REF -21.97 dB REF 1.792 us CH1 Markers REF=1 2. 502379 MHz cent : 142 . 483901 MHz Cor CH1 S21 CH2 S21 BW: CH1 Markers REF=1 2. 832635 MHz cent : 142 . 477559 MHz Cor Q: 56. 939 Q: 50. 299 1_loss : -22 . 179 dB 1_loss : -22 . 167 dB 1 1 2 2 3 4 3 3 2 CH2 Markers REF=2 mean: -22 . 107 dB 2 Cor CENTER 142 . 500 000 MHz SPAN Smo Cor CH2 Markers REF=2 4 mean: 1. 8316 us 3 s. dev : . 06760 dB s. dev : 12. 623 ns p-p : . 28610 dB p-p : 59. 636 ns 3. 000 000 MHz CENTER 142 . 500 000 MHz 40dB Bandwidth CH1 S21 LOG 10 dB/ 3. 000 000 MHz Wide band Properties 11 Feb 2011 18:24:16 1: 0. 0000 dB 0. 000 000 MHz REF -22.16 dB SPAN CH1 S21 LOG 10 dB/ 11 Feb 2011 18:28:43 1: 0. 0000 dB 0. 000 000 MHz REF -23.52 dB * BW: 1 CH1 Markers REF=1 2:-22 . 835 dB 89. 3000 MHz CH1 Markers REF=1 4. 298252 MHz Cor cent : 142 . 475047 MHz 2 Q: 33. 147 3:-19 . 090 dB 117 . 400 MHz 1 1_loss : -22 . 170 dB 3 2 3 4 CENTER 142 . 500 000 MHz SPAN 15. 000 000 MHz START . 010 000 MHz Smith Chart(S11 & S22) CH1 S11 CH2 S22 1 U FS 1 U FS 1: 152. 38 2: 211. 12 -138 . 83 -159 . 13 STOP 500 . 000 000 MHz SWR(S11 & S22) 11 Feb 2011 18:27:11 8. 0450 pF 142. 500 000 MHz 7. 0185 pF 142. 500 000 MHz CH1 S11 CH2 S22 SWR SWR 5 / 5 / 11 Feb 2011 18:26:58 1: 5. 7141 142 . 500 000 MHz 2: 6. 7092 142 . 500 000 MHz REF 5.719 REF 6.698 Cor Cor 1 2 1 Cor Cor CENTER142. 500 000 MHz SPAN 15. 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 142 . 500 000 MHz http://www.itf.co.kr SPAN 15. 000 000 MHz [email protected] 2011. 11. 04 Rev 1.0