SAW Bandpass Filter 271803B 1. Features IF Bandpass Filter High Attenuation Single-Ended Operation DIP Package Maximum Storage Temperature Range : -40℃ ~ 85℃ Electrostatics Sensitive Device (ESD) Package : D3512 2.5±0.2 25.4±0.2 7.6±0.2 0.45±0.05 5.5max 6.0max ITF 08A001 271803B 70-18M 35.1±0.5 12.8±0.5 2.5±0.2 2. Package Dimension Pin Configuration 1 5 Output 2, 4 Ground 3, 6 Case ground Dimensions shown are nominal in millimeters Base : Fe(SPCC), Au plating over Ni plated Cap : Cu & Cr Alloy, Ni Plated Termination : Kovar, Au Plated I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Input Part No. 271803B Rev. Date 2008-01-30 Rev. NM7058-S01 1/5 SAW Bandpass Filter 271803B 3. Specifications Fo = 70.0 MHz Terminating source impedance : 50Ω and matching network Terminating load impedance : 50Ω and matching network Minimum Typical Maximum MHz - 70.0 - dB - 26.5 28.0 1dB Bandwidth MHz 18.0 18.12 - 3dB Bandwidth MHz - 18.30 - 35dB Bandwidth MHz - 18.92 19.0 40dB Bandwidth MHz - 18.96 - dB - 0.55 1.0 Group Delay Variation (fo±9.0 MHz) nsec - 60 120 Absolute Delay usec - 3.73 - dB 45 52 - ppm/°C - -72 - Center Frequency Insertion Loss Amplitude Ripple (fo±9.0 MHz) Ultimate Rejection Temperature Coefficient of Frequency 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 at room temperature 3) 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. 271803B Rev. Date 2008-01-30 Rev. NM7058-S01 2/5 SAW Bandpass Filter 271803B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) Input 50Ω L1 L2 Output 50Ω C1 L1 = 82nH, nH, L2 = 82nH C1 = 2.5pF 5. Marking Configuration ITF1) 08A0012) 271803B3) 704) -18M5) 1) Manufacturer name 2) Lot Number 3) Part Number 4) Center Frequecy 5) 1dB-Bandwidth I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. 271803B Rev. Date 2008-01-30 Rev. NM7058-S01 3/5 SAW Bandpass Filter 271803B 6. Typical Performance ( at +25°°C ) CH1 S21 CH2 S21 LOG LOG 30 Nov 2007 10:26:32 1: 0. 0000 dB 0. 000 000 MHz 3:- . 05340 dB -18 . 000 000 MHz 1 dB/ REF -26.52 dB 1 dB/ REF -26.95 dB CH1 Markers REF=1 BW: 18. 150501 MHz Cor cent : 70. 011134 MHz Q: 3. 8573 1 1_loss : -26 . 846 dB 2 4 3 3 2 Cor CH2 Markers mean:-26 . 671 dB REF=2 s. dev : . 08870 dB p-p : . 48780 dB CENTER 70. 000 000 MHz CH1 S21 LOG 10 dB/ SPAN 22. 000 000 MHz 30 Nov 2007 10:25:13 1: 0. 0000 dB 0. 000 000 MHz REF -27.04 dB CH1 Markers 1 Cor 2 BW: 19. 005228 MHz cent : REF=1 70. 005333 MHz Q: 3. 6835 1_loss : -27 . 006 dB Hld 3 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 4 SPAN 50. 000 000 MHz Part No. 271803B Rev. Date 2008-01-30 Rev. NM7058-S01 4/5 SAW Bandpass Filter 271803B CH1 CH2 S21 S21 LOG DEL 1 dB/ 100 ns/ 30 Nov 2007 10:26:43 1: 0. 0000 dB 0. 000 000 MHz 3: 3. 9249 ns -18 . 000 000 MHz REF -26.52 dB REF 3.713 us CH1 S21 LOG 10 dB/ 30 Nov 2007 10:24:37 1: 0. 0000 dB 0. 000 000 MHz REF -27.04 dB * CH1 Markers Cor CH1 Markers REF=1 BW: 18. 306821 MHz cent : 70. 007582 MHz 1 BW: 18. 949098 MHz 2 cent : 70. 007277 MHz Cor Q: 3. 8241 Q: 3. 6945 1_loss : -26 . 839 dB 1 REF=1 1_loss : -27 . 043 dB 2 Hld 3 3 4 Smo Cor 2 4 3 CH2 Markers REF=2 mean: 3. 7358 us s. dev : 9. 4274 ns p-p : 58. 122 ns CENTER 70. 000 000 MHz CH1 S21 LOG 10 dB/ SPAN 22. 000 000 MHz 30 Nov 2007 10:28:27 1: 0. 0000 dB 0. 000 000 MHz REF -25.82 dB CH1 Markers 2:-60 . 655 dB 70. 0000 MHz CENTER 70. 000 000 MHz CH1 CH2 S11 S22 SWR SWR 10 / 10 / SPAN 50. 000 000 MHz 30 Nov 2007 10:28:03 1: 10. 162 70. 000 000 MHz 2: 7. 7759 70. 000 000 MHz REF 10.15 REF 7.793 REF=1 Cor 3:-62 . 059 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 CENTER 70. 000 000 MHz SPAN 50. 000 000 MHz Part No. 271803B Rev. Date 2008-01-30 Rev. NM7058-S01 5/5