Bandpass Filter 270251B 1. Features IF bandpass filter Low-Loss Filter Single-ended operation Ceramic Surface Mount Device(SMD) Package Maximum Storage Temperature Range : -40℃ ~ 85℃ Electrostatics Sensitive Device (ESD) 2. Package Dimension 13.30±0.2 7.62±0.1 7 8 9 10 11 5 1.61±0.2 • 1.50±0.1 12 2.54±0.1 6.50±0.2 6 ITF 08A001 270251B 4 3 2 1 2.54±0.1 0.80±0.1 Pin Configuration Package : S1365 Dimensions shown are nominal in millimeters 11 Input 5 Output 6, 12 Ground Other Case ground 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 Part No. 270251B Rev. Date 2008-05-16 Rev. NJ8007-AS01 1/5 Bandpass Filter 270251B 3. Specifications Fo = 70.0 MHz Terminating source impedance : 50Ω and matching network Terminating load impedance : 50Ω and matching network Operating temperature range : -40℃ ℃ ~ +85℃ ℃ Minimum Typical Maximum MHz - 70.0 - dB - 7.0 10.0 1dB Bandwidth MHz 1.6 2.1 - 3dB Bandwidth MHz - 2.73 - 40dB Bandwidth MHz - 4.9 5.5 dB - 0.7 1.0 Group Delay Variation (Fo +/- 0.4 MHz) nsec - 80 150 Absolute Delay usec - 1.23 - dB 40 45 - ppm/°C - - 86 - Minimum Typical Maximum Center Frequency (Fc) Insertion Loss Amplitude Ripple (Fo +/- 0.4 MHz) Ultimate Rejection Temperature Coefficient of Frequency (TCF) Room temperature : + 25 ℃ Insertion Loss dB - 7.0 9.5 Amplitude Ripple (Fo +/- 0.8 MHz) dB - 0.7 1.0 nsec - 80 150 Group Delay Variation (Fo +/- 0.8 MHz) Notes : 1) All specifications are based on the matching schematic shown below 2) All specifications are measured by Agilent Network analyzer and full 2 port calibration 3) Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances 4) All attenuation measurements are measured relative to insertion loss I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. 270251B Rev. Date 2008-05-16 Rev. NJ8007-AS01 2/5 Bandpass Filter 270251B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) Input 50Ω C1 C2 L1 Output 50Ω L2 C1 = C2 = 56 pF L1 = 120 nH, L2 = 82 nH 5. Marking Configuration ITF1) 08A0012) 270251B3) 4) 1) Manufacturer name 2) Lot Number 3) Part Number 4) Pad Number 1 Index I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. 270251B Rev. Date 2008-05-16 Rev. NJ8007-AS01 3/5 Bandpass Filter 270251B 6. Typical Performance ( at +25℃ ℃) CH1 S21 LOG 10 dB/ 16 May 2008 13:53:22 1: 0. 0000 dB 0. 000 000 MHz REF -6.7 dB CH1 Markers 1 Cor 2 BW: 4. 972380 MHz cent : REF=1 70. 063957 MHz Q: 14. 091 1_loss : -6 . 8819 dB 4 3 CENTER 70. 000 000 MHz CH2 S21 CH4 S21 LOG DEL 1 dB/ 100 ns/ SPAN 15. 000 000 MHz 16 May 2008 13:53:37 1: 0. 0000 dB 0. 000 000 MHz 3:-55 . 408 ns 1. 600 000 MHz REF -6.7 dB REF 1.2 us CH2 Markers BW: 2. 724783 MHz cent : REF=1 69. 989014 MHz Q: 25. 686 1 1_loss : -6 . 8979 dB 2 2 Cor 3 4 4 3 Smo CH4 Markers mean: 1. 2353 us Cor REF=2 s. dev : 15. 593 ns p-p : 58. 747 ns CENTER 70. 000 000 MHz I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 SPAN 4. 000 000 MHz 2 Part No. 270251B Rev. Date 2008-05-16 Rev. NJ8007-AS01 4/5 Bandpass Filter 270251B CH2 S21 CH4 S21 LOG LOG 16 May 2008 13:53:48 1: 0. 0000 dB 0. 000 000 MHz 3:- . 32500 dB 1. 600 000 MHz 1 dB/ REF -6.7 dB 1 dB/ REF -6.7 dB CH1 S21 LOG 16 May 2008 13:55:44 1: 0. 0000 dB 0. 000 000 MHz 10 dB/ REF -6.7 dB 1 CH2 Markers BW: 2. 086130 MHz CH1 Markers REF=1 2:-15 . 830 dB 70. 0000 MHz cent : 69. 959053 MHz Q: 33. 535 1 REF=1 3:-17 . 107 dB 140. 000 MHz 1_loss : -6 . 8949 dB 2 3 4:-52 . 243 dB 210. 000 MHz 2 5:-52 . 477 dB 3 4 280. 000 MHz 3 2 4 Cor CH4 Markers mean:-6 . 9395 dB Cor 5 REF=2 s. dev : . 13460 dB p-p : . 58570 dB CENTER 70. 000 000 MHz CH1 S11 CH3 S22 SWR SWR 2 / 2 / SPAN 4. 000 000 MHz 16 May 2008 13:54:31 1: 1. 5903 70. 000 000 MHz 2: 2. 2290 70. 000 000 MHz REF 0 REF 0 2 4 START . 010 000 MHz CH1 S11 CH3 S22 Cor Cor Cor Cor 1 U FS 1 U FS STOP 400. 000 000 MHz 1: 64. 332 2: 25. 577 22. 363 16. 455 16 May 2008 13:54:06 50. 846 nH 70. 000 000 MHz 37. 413 nH 70. 000 000 MHz 2 1 1 2 CENTER 70. 000 000 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 CENTER 70. 000 000 MHz SPAN 15. 000 000 MHz Part No. 270251B Rev. Date 2008-05-16 Rev. NJ8007-AS01 5/5