125 MHz SAW Filter Part Number 254851B 1. Features Typical 1dB bandwidth of 46.8 MHz Low-Loss Filter Single Ended Operation Surface Mounted Package (SMD) 2. Electrical Specifications Source and Load Impedance = 50Ω Operating Temperature : -30℃ ~ +80℃ Minimum Typical Maximum MHz - 125.0 - dB - 17.5 20.0 1dB Bandwidth MHz 46.3 46.8 - 3dB Bandwidth MHz - 48.15 - 40dB Bandwidth MHz - 54.5 55.0 dB - 0.35 1.0 Group Delay Variation (fo ± 21.5 MHz) nsec - 20 60 Absolute Delay usec - 0.8 - dB 40 46 - ppm/℃ - -72 - Minimum Typical Maximum Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 21.5 MHz) Ultimate Rejection Temperature Coefficient of Frequency Room Temperature : +25℃ Insertion Loss dB - 17.5 19.5 Amplitude Ripple (fo ± 22.0 MHz) dB - 0.35 1.0 nsec - 20 60 Group Delay Variation (fo ± 22.0 MHz) S1365 Package Dimension 13.30±0.2 12 8 7.62±0.1 7 ITF 12A001 254851B . 125-46.8M 1 2 3 4 7 6 6 5 5 9 8 L1 I nput 50Ω 10 11 5 C2 Out put 50Ω 11 C1 1.50±0.1 2.54±0.1 11 9 1.61±0.2 6.50±0.2 10 Matching Schematic L2 12 4 3 2 2.54±0.1 1 0.80±0.1 C1 = 33pF, L1 = 47nH, C2 = 82pF, L2 = 68nH 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] 2013. 03. 26 Rev 1.0 125 MHz SAW Filter Part Number 254851B 3. Typical Performance ( at +25℃ ) 1dB Bandwidth & Ripple CH2 CH4 S21 S21 LOG LOG 1 dB/ 1 dB/ 40dB Bandwidth 1 Jun 2012 11:47:21 1: 0. 0000 dB 0. 000 000 MHz 3: - . 02800 dB 44 . 000 000 MHz REF -17.1 dB REF -17.1 dB CH1 CH2 Markers REF=1MHz 46 . 772497 BW: cent : 124 . 830759 S21 LOG 10 dB/ 1 Jun 2012 11:46:36 1: 0. 0000 dB 0. 000 000 MHz REF -17.1 dB PRm BW: 1 MHz Q: 2. 6689 MHz Q: 2. 3139 2 1_loss : -17 . 363 dB 1 CH1 Markers REF=1MHz 54 . 306359 cent : 125 . 658160 1_loss : -17 . 446 dB Cor 2 3 3 4 2 PRm CH4 Markers mean : -17 REF=2 . 338 dB s. dev : . 05580 dB p-p : . 33950 dB 3 4 Cor CENTER 125 . 000 000 MHz SPAN 60 . 000 000 MHz 2 4 CENTER 125 . 000 000 MHz 3dB Bandwidth & Group Delay CH2 CH4 S21 S21 LOG DEL 1 dB/ 50 ns/ Smith Chart(S11 & S22) 1 Jun 2012 11:47:00 1: 0. 0000 dB 0. 000 000 MHz 3: -449 . 29 ps 44 . 000 000 MHz REF -17.1 dB REF 787 ns BW: SPAN 150 . 000 000 MHz CH1 S11 CH3 S22 4 CH2 Markers REF=1MHz 48 . 146950 cent : 124 . 953196 1 U FS 1 U FS 1: 29. 578 2: 26. 328 25. 470 -46 . 006 1 Jun 2012 11:47:45 32. 429 nH 125. 000 000 MHz 27. 676 pF 125. 000 000 MHz PRm MHz Q: 2. 5952 1_loss : -17 . 365 dB 1 1 Cor 2 3 2 PRm CH4 Markers REF=2 mean4: 799 . 82 ns s. dev : 3. 2052 ns 3 Smo p-p : 18 . 896 ns 2 Cor CENTER 125 . 000 000 MHz SPAN 60 . 000 000 MHz 2 CENTER 125. 000 000 MHz Wide band Properties CH1 S21 LOG 10 dB/ SWR(S11 & S22) 1 Jun 2012 11:49:07 1: 0. 0000 dB 0. 000 000 MHz REF -17.1 dB CH1 Markers REF=1 2: -56 . 360 dB 125 . 000 MHz PRm 1 SPAN 150. 000 000 MHz CH1 CH3 S11 S22 SWR SWR 10 / 10 / 1 Jun 2012 11:48:14 1: 2. 2821 125 . 000 000 MHz 2: 3. 7770 125 . 000 000 MHz REF 0 REF 0 PRm 3: -54 . 369 dB 250 . 000 MHz 4: -54 . 286 dB 375 . 000 MHz 5: -51 . 226 dB 500 . 000 MHz Cor 1 2 3 5 4 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 125 . 000 000 MHz http://www.itf.co.kr SPAN 150 . 000 000 MHz [email protected] 2013. 03. 26 Rev 1.0