SAW Bandpass Filter 271953B 1. Features IF Bandpass Filter High Attenuation Single-Ended Operation Ceramic Surface Mount Device (SMD) Package Maximum Storage Temperature Range : -40℃ ~ 85℃ Electrostatics Sensitive Device (ESD) 2.30±0.1 2. Package Dimensions 20.00±0.2 9.80±0.2 10 9 8 7 7.62±0.1 6 6 7 8 9 10 5 4 3 2 1 ITF08A001 271953B 1 2 3 4 5 1.02±0.1 1.91±0.1 1.56±0.2 Package : S 20.0 X 9.8 Pad Configuration Dimensions shown are nominal in millimeters Body : Al2O3 Ceramic Lid : Kovar, Ni Plated Terminations : Au plating 0.3 ~ 1.0 um, Over a 1.27 ~ 8.89 um Ni Plating I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 10 Input 5 Output 1,4 Ground Other Case ground Part No. 271953B Rev. Date 2008-08-28 Rev. NM8021-CS01 1/5 SAW Bandpass Filter 271953B 3. Specifications Fo = 70.0 MHz Terminating source impedance : 50Ω and matching network Terminating load impedance : 50Ω and matching network Room Temperature : +25℃ ℃ Minimum Typical Maximum MHz - 70.0 - dB - 24.0 25.5 1dB Bandwidth MHz 19.6 19.72 - 3dB Bandwidth MHz - 19.98 - 40dB Bandwidth MHz - 21.09 21.2 dB - 0.5 1.0 Group Delay Variation (fo± 9.8 MHz) Nsec - 40 80 Absolute Delay Usec - 2.43 - dB 50 52 - ppm/°C - -72 - Center Frequency Insertion Loss Amplitude Ripple (fo± 9.8 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. 271953B Rev. Date 2008-08-28 Rev. NM8021-CS01 2/5 SAW Bandpass Filter 271953B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) Input 50Ω L1 L2 Output 50Ω C1 L1 = L2 = 150nH C1 = 24pF 5. Marking Configuration ITF1) 08A0012) 271953B3) 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. 271953B Rev. Date 2008-08-28 Rev. NM8021-CS01 3/5 SAW Bandpass Filter 271953B 6. Typical Performance ( at +25℃ ℃) CH1 S21 CH2 S21 LOG DEL 1 dB/ 100 ns/ 20 Jun 2008 12:07:10 1: 0. 0000 dB 0. 000 000 MHz 3:-5 . 4679 ns 19. 200 000 MHz REF -23.8 dB REF 2.414 us CH1 Markers REF=1 BW: 19. 984639 MHz Cor cent : 70. 008341 MHz Q: 3. 5031 1 1_loss : -24 . 010 dB 2 3 Smo Cor 2 4 3 CH2 Markers REF=2 mean: 2. 4325 us s. dev : 7. 2919 ns p-p : 39. 800 ns CENTER 70. 000 000 MHz CH1 S21 LOG 10 dB/ SPAN 24. 000 000 MHz 20 Jun 2008 12:06:05 1: 0. 0000 dB 0. 000 000 MHz REF -24.01 dB * CH1 Markers 1 Cor 2 BW: 21. 127614 MHz cent : REF=1 70. 009531 MHz Q: 3. 3137 1_loss : -24 . 028 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 54. 000 000 MHz Part No. 271953B Rev. Date 2008-08-28 Rev. NM8021-CS01 4/5 SAW Bandpass Filter 271953B CH1 S21 CH2 S21 LOG LOG 1 dB/ 1 dB/ 20 Jun 2008 12:07:02 1: 0. 0000 dB 0. 000 000 MHz 3: . 06970 dB 19. 200 000 MHz REF -23.8 dB REF -24.29 dB CH1 S21 LOG 10 dB/ 20 Jun 2008 12:06:17 1: 0. 0000 dB 0. 000 000 MHz REF -24.01 dB * CH1 Markers Cor REF=1 BW: 19. 724608 MHz cent : 70. 014781 MHz CH1 Markers Q: 3. 5496 1 1 BW: 21. 232767 MHz 2 cent : 70. 014463 MHz Cor REF=1 Q: 3. 2975 1_loss : -23 . 984 dB 1_loss : -24 . 028 dB 2 3 Hld 4 3 2 Cor CH2 Markers mean: -24 . 029 dB 3 REF=2 4 s. dev : . 08970 dB p-p : . 47170 dB CENTER 70. 000 000 MHz CH1 S21 LOG 10 dB/ SPAN 24. 000 000 MHz 20 Jun 2008 12:08:34 1: 0. 0000 dB 0. 000 000 MHz REF -22.99 dB CH1 Markers 2:-64 . 029 dB 70. 0000 MHz CENTER 70. 000 000 MHz CH1 S11 CH2 S22 SWR SWR 5 / 5 / SPAN 54. 000 000 MHz 20 Jun 2008 12:08:08 1: 4. 5669 70. 000 000 MHz 2: 5. 3709 70. 000 000 MHz REF 4.566 REF 5.358 REF=1 Cor 3:-65 . 128 dB 140 . 000 MHz 1 1 2 Cor 2 START . 010 000 MHz 3 STOP 300 . 000 000 MHz 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 54. 000 000 MHz Part No. 271953B Rev. Date 2008-08-28 Rev. NM8021-CS01 5/5