70 MHz SAW Filter Part Number 270255B 1. Features Typical 1dB bandwidth of 2.25 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 - 70.0 - dB - 12.0 14.0 1dB Bandwidth MHz - 2.25 - 3dB Bandwidth MHz 2.5 2.9 - 40dB Bandwidth MHz - 5.3 5.6 dB - 0.45 1.0 Group Delay Variation (fo ± 0.75 MHz) nsec - 60 100 Absolute Delay usec - 1.19 - dB 43 48 - ppm/℃ - -18 - Minimum Typical Maximum Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 0.75 MHz) Ultimate Rejection Temperature Coefficient of Frequency Room Temperature : +25℃ Insertion Loss dB - 12.0 13.5 Amplitude Ripple (fo ± 0.85 MHz) dB - 0.45 1.0 nsec - 60 100 Group Delay Variation (fo ± 0.85 MHz) S1365 Package Dimension 13.30±0.2 12 8 7.62±0.1 7 ITF 13A001 270255B . 70-2.2M 1 2 3 4 7 6 6 5 5 9 8 L2 I nput 50Ω 10 11 5 L3 Out put 50Ω 11 L1 1.50±0.1 2.54±0.1 11 9 1.61±0.2 6.50±0.2 10 Matching Schematic L4 12 4 3 2 2.54±0.1 1 0.80±0.1 L1 = 82nH, L2 = 56nH, L3 = 39nH, L4 = 56nH 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. 04. 12 Rev 1.0 70 MHz SAW Filter Part Number 270255B 3. Typical Performance ( at +25℃ ) 1dB Bandwidth & Ripple CH2 CH4 S21 S21 LOG LOG 1 dB/ 1 dB/ 40dB Bandwidth 10 Apr 2013 11:19:30 1: 0. 0000 dB 0. 000 000 MHz 3: . 01840 dB 1. 700 000 MHz REF -11.5 dB REF -11.5 dB BW: cent : CH1 S21 LOG 10 dB/ CH2 Markers REF=1 2. 278718 MHz 70 . 010413 MHz 10 Apr 2013 11:19:01 1: 0. 0000 dB 0. 000 000 MHz REF -11.5 dB BW: 1 Cor Q: 30 . 724 cent : 2 CH1 Markers REF=1 5. 289461 MHz 70 . 039446 MHz Q: 13 . 241 1_loss : -11 . 752 dB 1 1_loss : -11 . 712 dB 2 3 4 3 2 CH4 Markers REF=2 mean : -11 . 722 dB Cor s. dev : . 09820 dB p-p : . 43320 dB 3 4 Cor CENTER 70 . 000 000 MHz SPAN 3. 500 000 MHz 2 4 CENTER 70 . 000 000 MHz 3dB Bandwidth & Group Delay CH2 CH4 S21 S21 LOG DEL 1 dB/ 150 ns/ BW: cent : 15 . 000 000 MHz Smith Chart(S11 & S22) 10 Apr 2013 11:19:19 1: 0. 0000 dB 0. 000 000 MHz 3: -22 . 032 ns 1. 700 000 MHz REF -11.5 dB REF 1.15 us SPAN CH1 S11 CH3 S22 1 U FS 1 U FS 1: 95. 344 2: 53. 168 9. 3281 -16 . 885 10 Apr 2013 11:19:41 21. 209 nH 70. 000 000 MHz 134. 66 pF 70. 000 000 MHz CH2 Markers REF=1 2. 898384 MHz 70 . 006972 MHz Cor Q: 24 . 154 1_loss : -11 . 751 dB 1 Cor 2 4 3 1 2 Cor 2 CH4 Markers REF=2 mean :41. 1879 us 3 Smo s. dev : 13 . 483 ns p-p : 60 . 272 ns Cor 2 CENTER 70 . 000 000 MHz SPAN 3. 500 000 MHz CENTER 70. 000 000 MHz Wide band Properties CH1 S21 LOG 10 dB/ SWR(S11 & S22) 10 Apr 2013 11:20:41 1: 0. 0000 dB 0. 000 000 MHz REF -11.5 dB 1 SPAN 15. 000 000 MHz CH1 Markers REF=1 2: -25 . 270 dB 70 . 0000 MHz CH1 CH3 S11 S22 SWR SWR 1 / 1 / 10 Apr 2013 11:20:09 1: 1. 9321 70 . 000 000 MHz 2: 1. 3934 70 . 000 000 MHz REF 0 REF 0 Cor 3: -40 . 394 dB 140 . 000 MHz 4: -67 . 641 dB 210 . 000 MHz Cor 2 3 1 2 4 START . 010 000 MHz STOP 400 . 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 70 . 000 000 MHz http://www.itf.co.kr SPAN [email protected] 15 . 000 000 MHz 2013. 04. 12 Rev 1.0