250251B

250251B ITF | Alldatasheet

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SAW Bandpass Filter 250251B Part No. 250251B 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 250251B 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 2004-03-17 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NW3033-CS01 1/5

SAW Bandpass Filter 250251B Part No. 250251B 3. Specifications Fo = 140 MHz Terminating source impedance : 50 Ω and matching network Terminating load impedance : 50 Ω and matching network Operating Temperature Range : -10 ℃ ~ +60℃ Minimum Typical Maximum Center Frequency MHz - 140.0 - Insertion Loss dB - 11.0 14.5 1dB Bandwidth MHz - 1.77 - 3dB Bandwidth MHz 1.9 2.2 - 25dB Bandwidth MHz - 3.4 3.5 Amplitude Ripple (Fo +/- 0.6 MHz) dB - 0.6 1.5 Group Delay Variation (Fo +/- 0.6 MHz) nsec - 170 300 Absolute Delay usec - 1.7 - Attenuation at Fo +/- 1.75 MHz dB 20 25 - Ultimate Rejection dB 35 45 - Temperature Coefficient of Frequency ppm/°C - -23 - Room Temperature : +25 ℃ Minimum Typical Maximum Amplitude Ripple (Fo +/- 0.7 MHz) dB - 0.6 1.5 Group Delay Variation (Fo +/- 0.7 MHz) nsec - 180 300 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 in to the design to account for the variations due to temperature drift and manufacturing tolerances 4) All attenuation measurements are measured relative to insertion loss Rev. Date 2004-03-17 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NW3033-CS01 2/5

SAW Bandpass Filter 250251B Part No. 250251B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) Output 50Ω Input 50Ω L1 = L2 = 39 nH 5. Marking Configuration ITF1) 04A0012) 250251B3) 1) Manufacturer name 2) Lot Number 3) Part Number 4) Pad Number 1 Index Rev. Date 2004-03-17 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NW3033-CS01 3/5

SAW Bandpass Filter 250251B Part No. 250251B CH1 S 21 log MAG 10 dB/ REF -11.13 dB CH1 CENTER 140.000 000 MHz SPAN 10.000 000 MHz CE14X2 Cor PRm

6 Dec 2003 08:58:11

1_: 0 dB 0.000 000 MHz REF=1 BW: 3.418 460 MHz cent: 139.977237 MHz Q: 40.947 1_ loss: -11.057 dB 6. Typical Performance ( at +25℃ ) CH1 S 21 log MAG 1 dB/ REF -10.88 dB CE14X2 Cor PRm CH2 S 21 delay REF 2.065 us500 ns/ CENTER 140.000 000 MHz SPAN 4.000 000 MHz 5-1 S1365 M2S Cor Smo PRm

5 Dec 2003 10:48:06

1_ 0 dB 0.000 000 MHz REF=1 BW: 2.217 054 MHz cent: 139.998265 MHz Q: 63.146 1_ loss: -10.893 dB 3_: 6.1034 ns 1.200 000 MHz REF=2 mean: 1.710 5 us s.dev: 41.351 ns p-p: 149.73 ns Rev. Date 2004-03-17 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NW3033-CS01 4/5

SAW Bandpass Filter 250251B Part No. 250251B CH1 S 21 log MAG 1 dB/ REF -10.88 dB CENTER 140.000 000 MHz SPAN 4.000 000 MHz CE14X2 Cor PR CH1 S 21 log MAG 10 dB/ REF -11.29 dB START .010 000 MHz STOP 500.000 000 MHz CE14X2 PRm

5 Dec 2003 10:50:42

1_: 0 dB 0.000 000 MHz REF=1 2_:-25.194 dB

137.524 MHz

3_:-29.731 dB

279.451 MHz

Rev. Date 2004-03-17 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NW3033-CS01 5/5 m CH2 S 21 log MAG REF -10.88 dB1 dB/ 5-1 S1365 M2S Cor Smo PRm

5 Dec 2003 10:48:24

1_: 0 dB 0.000 000 MHz REF=1 BW: 1.762 075 MHz cent: 140.033936 MHz Q: 79.471 1_ loss: -10.898 dB 3_ .2651 dB 1.200 000 MHz REF=2 mean:-11.005 dB s.dev: .0984 dB p-p: .3554 dB CH1 S 11 SWR 2 / REF -7.722 CE14X2 Cor PRm CH2 S 22 SWR REF -3.552 2 / CENTER 140.000 000 MHz SPAN 10.000 000 MHz 5-1 S1365 M2S Cor PRm

5 Dec 2003 10:49:50

1_ 2.3904 140.000 000 MHz 2_: 2.5255 140.000 000 MHz CH1 S 11 1 U FS CENTER 140.000 000 MHz SPAN 10.000 000 MHz CE14X2 Cor PRm CH2 S 22 1 U FS 5-1 S1365 M2S Cor PRm

5 Dec 2003 10:49:12

1_: 72.992 -49.195 23.108 pF 140.000 000 MHz 2_ 86.906 -51.445 22.098 pF 140.000 000 MHz