70.0 MHz SAW Filter Part Number 272951B 1. Features Typical 1dB bandwidth of 29.6 MHz High attenuation Single Ended Operation Surface Mounted Package (SMD) 2. Electrical Specifications Source and Load Impedance = 50Ω Operating Temperature : -5℃ ℃ ~ +70℃ ℃ Minimum Typical Maximum MHz - 70.0 - dB - 28.0 30.0 1dB Bandwidth MHz 29.5 29.64 - 3dB Bandwidth MHz - 29.9 - 40dB Bandwidth MHz - 31.1 31.3 50dB Bandwidth MHz - 31.3 - dB - 0.6 1.0 Group Delay Variation (fo ± 14.32 MHz) nsec - 30 60 Absolute Delay usec - 2.38 - dB 45 52 - ppm/℃ ℃ - -72 - Minimum Typical Maximum Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 14.32 MHz) Ultimate Rejection Temperature Coefficient of Frequency Room Temperature : +25℃ ℃ Insertion Loss dB - 28.5 30.0 Amplitude Ripple (fo +/- 14.56 MHz) dB - 0.6 1.0 nsec - 30 60 Group Delay Variation (fo +/- 14.56 MHz) 20.00±0.2 9.80±0.2 10 9 8 Matching Schematic 2.30±0.1 S2098 Package Dimension 7 7.62±0.1 6 6 7 8 9 10 150nH ITF 11A001 272951B 。70-29.6M 1 2 3 4 10 5 Input 50 Ω 5 1.02±0.1 5 4 3 2 1 180nH 1pF 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. 04. 22 Rev 1.0 70.0 MHz SAW Filter Part Number 272951B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple CH1 S21 CH2 S21 LOG LOG 1 dB/ 1 dB/ 3dB Bandwidth & Group Delay 29 Dec 2009 05:19:28 1: 0. 0000 dB 0. 000 000 MHz 3: . 03000 dB 29. 120 000 MHz REF -27.86 dB REF -28.11 dB CH1 S21 CH2 S21 LOG DEL 1 dB/ 100 ns/ 29 Dec 2009 05:19:40 1: 0. 0000 dB 0. 000 000 MHz 3: 2. 2274 ns 29. 120 000 MHz REF -27.86 dB REF 2.363 us CH1 Markers REF=1 BW: 29. 639415 MHz cent : Cor 69. 996367 MHz CH1 Markers REF=1 BW: 29. 925179 MHz cent : Cor 69. 999042 MHz Q: 2. 3616 Q: 2. 3391 1_loss : -28 . 026 dB 1 1_loss : -28 . 026 dB 1 2 2 3 4 3 2 3 CH2 Markers REF=2 mean: -28 . 080 dB Cor CENTER 70. 000 000 MHz Smo Cor CH2 Markers REF=2 4 2. 3808 us mean: 2 3 s. dev : . 11150 dB s. dev : 4. 9577 ns p-p : . 57400 dB p-p : 25. 779 ns SPAN 38. 000 000 MHz CENTER 70. 000 000 MHz 40dB Bandwidth CH1 S21 LOG 10 dB/ Smith Chart 29 Dec 2009 05:18:21 1: 0. 0000 dB 0. 000 000 MHz REF -28.21 dB SPAN 38. 000 000 MHz * CH1 S11 CH2 S22 1: 9. 4561 2: 10. 080 1 U FS 1 U FS -25 . 830 -11 . 718 29 Dec 2009 05:20:24 88. 023 pF 70. 000 000 MHz 194. 03 pF 70. 000 000 MHz * CH1 Markers REF=1 BW: 31. 084500 MHz 1 Cor Cor cent : 2 69. 985669 MHz Q: 2. 2515 1_loss : -28 . 046 dB 3 2 4 Cor 1 START 27. 500 000 MHz STOP 112. 500 000 MHz CENTER 70. 000 000 MHz Wideband Properties CH1 S21 LOG 10 dB/ SWR(S11 & S22) 29 Dec 2009 05:21:02 1: 0. 0000 dB 0. 000 000 MHz REF -26.92 dB SPAN 85. 000 000 MHz CH1 S11 CH2 S22 SWR SWR 20 / 20 / 29 Dec 2009 05:20:18 1: 6. 7390 70. 000 000 MHz 2: 5. 2437 70. 000 000 MHz REF 6.739 REF 5.244 * CH1 Markers REF=1 2:-59 . 432 dB 70. 0000 MHz Cor 3:-59 . 044 dB 140. 000 MHz 1 1 Cor 2 START . 010 000 MHz 2 3 STOP 300. 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 85. 000 000 MHz [email protected] 2011. 04. 22 Rev 1.0