203918B ITF | Alldatasheet
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SAW Bandpass Filter 203918B Part No. 203918B Rev. Date 2004-11-18 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NT4009-AS01 1/5 1 3 . 5 ± 0 . 2 0 . 4 9 ± 0 . 0 5 1 3 2 4.8±0.2 2 . 4 4 ± 0 . 1 3.5±0.2 2 . 5 ± 0 . 2 0 . 2 5 ± 0 . 0 5 1. Features /circle6 IF Bandpass Filter for DAB /circle6 Plastic Package 2. Package Dimension Dimensions shown are nominal in millimeters Tinned CuFe alloy Parameter Unit Minimum Typical Maximum Operation Temperature Range °C -10 25 60 Storage Temperature Range °C -30 - 80 Pin Configuration
1 Input
2 Input ground
3 Case ground
4 Output
5 Output
SAW Bandpass Filter 203918B Part No. 203918B Rev. Date 2004-11-18 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NT4009-AS01 2/5 3. Specifications Fo = 38.912 MHz Terminating source impedance : 50 Ω Terminating load impedance : 2K Ω // 3pF 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 Minimum Typical Maximum Center Frequency MHz - 38.912 - Insertion Loss dB 16.7 18.7 20.7 3dB Bandwidth MHz - 1.52 - 30dB Bandwidth MHz - 2.62 - Relative Attenuation 30.01 ~ 36.27 MHz dB 43.0 48.0 - 36.27 ~ 37.31 MHz dB 38.0 44.0 - 40.61 ~ 41.41 MHz dB 38.0 43.0 - 41.41 ~ 50.01 MHz dB 41.0 45.0 Group Delay Variation (38.12 ~39.72 MHz) nsec - 68 - Absolute Delay usec - 1.43 - Temperature Coefficient of Frequency ppm/°C - -18 -
SAW Bandpass Filter 203918B Part No. 203918B Rev. Date 2004-11-18 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NT4009-AS01 3/5 Balanced Output 2kΩInput 50 Ω 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) 5. Marking Configuration ITF 1) 203918B 2) 1) Manufacturer name 2) Part Number
SAW Bandpass Filter 203918B Part No. 203918B Rev. Date 2004-11-18 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NT4009-AS01 4/5 CH1 S 21 log MAG 10 dB/ REF -17.2 dB CH1 START 32.912 000 MHz STOP 44.912 000 MHz Cor PRm
26 Aug 2004 11:52:41
1_: 0 dB 0.000 000 MHz REF=1 BW: 2.627 001 MHz cent: 38.931528 MHz Q: 14.82 1_ loss: -17.968 dB CH1 S 21 log MAG 1 dB/ REF -17.5 dB CH1 CENTER 38.912 000 MHz SPAN 3.000 000 MHz Cor PRm CH2 S 21 delay REF 1.4 us 100 ns/ CH2 CENTER 38.912 000 MHz SPAN 3.000 000 MHz Cor Smo PRm
26 Aug 2004 11:57:24
1_: 0 dB 0.000 000 MHz REF=1 BW: 1.491 131 MHz cent: 38.923843 MHz Q: 26.104 1_ loss: -17.986 dB 3_ -7.1082 ns 1.600 000 MHz REF=2 mean: 1.429 6 us s.dev: 14.796 ns p-p: 66.821 ns 6. Typical Performance ( at +25℃℃ ℃℃ )
SAW Bandpass Filter 203918B Part No. 203918B Rev. Date 2004-11-18 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NT4009-AS01 5/5 CH1 S 21 log MAG 10 dB/ REF -17.2 dB CH1 START 29.000 000 MHz STOP 51.000 000 MHz Cor PRm
26 Aug 2004 11:51:36
CH1 S 21 log MAG 2 dB/ REF -17.5 dB CH1 CENTER 38.912 000 MHz SPAN 6.000 000 MHz Cor PRm CH2 S 21 phase REF -53.7 5 / CH2 CENTER 38.912 000 MHz SPAN 3.000 000 MHz Cor Del PRm
26 Aug 2004 11:58:59
1_: 0 dB 0.000 000 MHz REF=1 BW: 1.990 188 MHz cent: 38.927742 MHz Q: 19.56 1_ loss: -17.952 dB 3_ 5.9659 1.600 000 MHz REF=2 mean:-52.051 s.dev: 1.521 p-p: 6.1853 CH1 S 21 log MAG 10 dB/ REF -27 dB CH1 START 0 s STOP 5 us Cor PRm
26 Aug 2004 11:41:51
CH1 S 21 log MAG 10 dB/ REF -17.5 dB CH1 START 20.000 000 MHz STOP 120.000 000 MHz Cor PRm