205708B

205708B ITF | Alldatasheet

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SAW Bandpass Filter 205708B Part No. 205708B 1. Features z IF Bandpass Filter z Low-Loss Filter z Single-Ended Operation z Ceramic Surface Mount Device (SMD) Package z Maximum Storage Temperature Range : -40 ~ 85℃℃ z Electrostatics Sensitive Device (ESD) 2. Package Dimensions 1 0 987 4321 0.80±0.1 1.50±0.1 2.54±0.1 7.62±0.1 2.54±0.1 1.61±0.2 6.50±0.2 13.30±0.2 1234 10987 6 11 ITF04A001 205708B Pad Configuration

11 Input

5 Output

6, 12 Ground Other Case ground Package : S1365 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 Rev. Date 2004-04-29 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NI1031-CS03 1/5

SAW Bandpass Filter 205708B Part No. 205708B 3. Specifications Fo = 281.0 MHz Terminating source impedance : 50 Ω and matching network Terminating load impedance : 50 Ω and matching network Minimum Typical Maximum Center Frequency MHz 280.8 281.0 281.2 Insertion Loss dB - 11.8 13.5 1dB Bandwidth MHz - 6.8 - 3dB Bandwidth MHz 7.7 8.0 - 40dB Bandwidth MHz - 13.0 13.5 Amplitude Ripple (Fo +/- 3.0 MHz) dB - 0.5 1.0 Group Delay Variation (Fo +/- 3.0 MHz) nsec - 40 100 Absolute Delay usec - 0.62 - Ultimate Rejection dB 40 43 - Temperature Coefficient of Frequency ppm/°C - -23 - 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 Rev. Date 2004-04-29 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NI1031-CS03 2/5

SAW Bandpass Filter 205708B Part No. 205708B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) Output 50Ω Input 50Ω C1 = 56 pF L1 = 12 nH, L2 = 10 nH 5. Marking Configuration ITF1) 04A0012) 205708B3) 1) Manufacturer name 2) Lot Number 3) Part Number 4) Pad Number 1 Index Rev. Date 2004-04-29 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NI1031-CS03 3/5

SAW Bandpass Filter 205708B Part No. 205708B 6. Typical Performance ( at +25℃ ) CH1 S21 LOG 10 dB/ REF -11.62 dB CENTER 281 . 000 000 MHz SPAN 35. 000 000 MHz 205708B Cor Hld

28 Apr 2004 09:25:19

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers BW : 13. 056026 MHz cent : 281 . 065222 MHz Q : 21. 528 1_loss : -11 . 619 dB CH2 S21 LOG 1 dB/ REF -11.58 dB CENTER 281 . 000 000 MHz SPAN 12. 000 000 MHz 205708B Cor CH4 S21 DEL 100 ns/ REF 699.7 ns Cor Smo

28 Apr 2004 09:27:13

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH2 Markers BW : 8. 078017 MHz cent : 281 . 033748 MHz Q : 34. 790 1_loss : -11 . 571 dB 3:-18 . 024 ns 6. 000 000 MHz REF=2 CH4 Markers mean : 616 . 78 ns s. dev : 6. 6374 ns p-p : 29. 628 ns Rev. Date 2004-04-29 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NI1031-CS03 4/5

SAW Bandpass Filter 205708B Part No. 205708B CH2 CH1 S21 LOG 10 dB/ REF -12.88 dB START . 010 000 MHz STOP 900 . 000 000 MHz 205708B

28 Apr 2004 09:29:29

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers 2:-44 . 985 dB 281 . 000 MHz 3:-49 . 084 dB 562 . 000 MHz Rev. Date 2004-04-29 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NI1031-CS03 5/5 S21 LOG 1 dB/ REF -11.58 dB CENTER 281 . 000 000 MHz SPAN 12. 000 000 MHz Cor 205708B CH4 LOG 1 dB/ REF -11.89 dB Cor S21

28 Apr 2004 09:27:29

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH2 Markers BW : 6. 789747 MHz cent : 280 . 954368 MHz Q : 41. 379 1_loss : -11 . 560 dB 3: . 09770 dB 6. 000 000 MHz REF=2 CH4 Markers mean:-11 . 609 dB s. dev : . 08930 dB p-p : . 53780 dB CH1 S11 SWR 2 / REF 0 CENTER 281 . 000 000 MHz SPAN 35. 000 000 MHz 05708B Cor CH3 SWR 2 / REF 0 Cor S22

28 Apr 2004 09:28:42

1: 2. 5109 281 . 000 000 MHz 2: 1. 2751 281 . 000 000 MHz CH1 S11 1 U FS CENTER 281 . 000 000 MHz SPAN 35. 000 000 MHz 205708B Cor CH3 S22 1 U FS Cor

28 Apr 2004 09:28:11

1: 63. 227 51. 936 29. 416 nH 281 . 000 000 MHz 2: 45. 785 10. 898 6. 1727 nH 281 . 000 000 MHz