125.0 MHz SAW Filter Part Number 251670B 1. Features Typical 1dB bandwidth of 16.65MHz High attenuation Single Ended Operation SMD Package 2. Electrical Specifications Source and Load Impedance = 50Ω Operating Temperature : -30℃ ℃ ~ +80℃ ℃ Minimum Typical Maximum MHz - 125.0 - dB - 21.5 24.0 1 dB Bandwidth MHz 16.4 16.65 - 3dB Bandwidth MHz - 17.0 - 40dB Bandwidth MHz - 18.6 18.8 dB - 0.65 1.0 Group Delay Variation (fo ± 7.5 MHz) nsec - 40 100 Absolute Delay usec - 1.76 - dB 50 55 - Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 7.5 MHz) Ultimate Rejection ppm/℃ ℃ Temperature Coefficient of Frequency -72 Room Temperature : +25℃ ℃ Minimum Typical Maximum Insertion Loss dB - 21.5 24.0 Amplitude Ripple (fo ± 8.0 MHz) dB - 0.65 1.0 nsec - 40 100 Group Delay Variation (fo ± 8.0 MHz) 10 9 8 Matching Schematic 2.30±0.1 S2098 Package Dimension 20.00±0.2 7 7.62±0.1 6 7 6 8 9 10 9.80±0.2 56nH ITF 11A001 251670B 125-16.6MHz 1 2 3 4 Input 50 Ω 5 1.02±0.1 5 4 3 2 1 10 5 33pF 39nH 30pF Output 50 Ω 1.91±0.1 1.56±0.2 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 10 Ground 1,4 Output 5 Others Ground http://www.itf.co.kr [email protected] 2011. 11. 05 Rev 1.0 125.0 MHz SAW Filter Part Number 251670B 3. Typical Performance ( at +25℃ ℃) 40dB Bandwidth 1dB Bandwidth & Ripple CH1 S21 CH2 S21 LOG LOG 1 dB/ 1 dB/ 8 Apr 2011 14:52:25 1: 0. 0000 dB 0. 000 000 MHz 3: . 19400 dB 16. 000 000 MHz REF -21.08 dB REF -21.67 dB CH1 S21 LOG 10 dB/ 8 Apr 2011 14:51:08 1: 0. 0000 dB 0. 000 000 MHz REF -21.33 dB CH1 Markers REF=1 BW: 16. 651844 MHz cent : 125. 068311 MHz Cor CH1 Markers REF=1 BW: 18. 615247 MHz 1 Cor cent : 125. 051462 MHz Q: 7. 5108 2 Q: 6. 7177 1_loss : -21 . 484 dB 1_loss : -21 . 571 dB 1 2 3 4 3 2 CH2 Markers REF=2 mean: -21 . 363 dB Cor 4 3 s. dev : . 13550 dB p-p : . 65380 dB CENTER 125. 000 000 MHz CENTER 125. 000 000 MHz SPAN 20. 000 000 MHz 50dB Bandwidth 3dB Bandwidth & Group Delay CH1 S21 CH2 S21 LOG DEL 1 dB/ 100 ns/ 8 Apr 2011 14:52:36 1: 0. 0000 dB 0. 000 000 MHz 3: 7. 7057 ns 16. 000 000 MHz REF -21.08 dB REF 1.751 us SPAN 65. 000 000 MHz CH1 S21 LOG 10 dB/ 8 Apr 2011 14:51:14 1: 0. 0000 dB 0. 000 000 MHz REF -21.33 dB CH1 Markers REF=1 BW: 17. 007700 MHz cent : 125. 067624 MHz Cor CH1 Markers REF=1 BW: 18. 780327 MHz 1 Cor cent : 125. 052410 MHz Q: 7. 3536 2 Q: 6. 6587 1_loss : -21 . 484 dB 1_loss : -21 . 571 dB 1 2 3 Smo Cor CH2 Markers REF=2 mean: 1. 7663 us 4 s. dev : 8. 3288 ns 2 3 3 p-p : 41. 122 ns CENTER 125. 000 000 MHz SPAN 20. 000 000 MHz CENTER 125. 000 000 MHz Smith chart (S11 & S22) CH1 S11 CH2 S22 1: 14. 428 2: 7. 9373 1 U FS 1 U FS 5. 1421 -3 . 4146 4 SPAN 65. 000 000 MHz SWR(S11 & S22) 8 Apr 2011 14:53:40 6. 5471 nH 125. 000 000 MHz 372. 89 pF 125. 000 000 MHz CH1 S11 CH2 S22 * * Cor Cor SWR SWR 5 / 5 / 8 Apr 2011 14:53:34 1: 3. 5054 125. 000 000 MHz 2: 6. 3296 125. 000 000 MHz REF 3.505 REF 6.33 1 1 2 Cor Cor CENTER 125. 000 000 MHz SPAN 65. 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 125. 000 000 MHz http://www.itf.co.kr SPAN 65. 000 000 MHz [email protected] 2011. 11. 05 Rev 1.0