250451B

250451B ITF | Alldatasheet

Document overview

• Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
• PDF pages: 5

Technical content

SAW Bandpass Filter 250451B Part No. 250451B 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 250451B 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 2005-10-19 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NJ3010-CS04 1/5

SAW Bandpass Filter 250451B Part No. 250451B 3. Specifications Fo = 140.0 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 139.6 140.0 140.4 Insertion Loss dB - 10.8 13.0 1dB Bandwidth MHz 3.4 3.9 - 3dB Bandwidth MHz 4.0 4.8 - 40dB Bandwidth MHz - 7.7 9.1 Amplitude Ripple (Fo +/- 1.6 MHz) dB - 0.7 1.0 Group Delay Variation (Fo +/- 1.6 MHz) nsec - 50 100 Absolute Delay usec - 1.0 - Ultimate Rejection dB 45 55 - 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 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 2005-10-19 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NJ3010-CS04 2/5

SAW Bandpass Filter 250451B Part No. 250451B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) Output 50Ω L3L2 Input 50Ω L1 = 68 nH, L4 = 47 nH L2 = 56 nH, L3 = 39 nH 5. Marking Configuration ITF1) 04A0012) 250451B3) 1) Manufacturer name 2) Lot Number 3) Part Number 4) Pad Number 1 Index Rev. Date 2005-10-19 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NJ3010-CS04 3/5

SAW Bandpass Filter 250451B Part No. 250451B 6. Typical Performance ( at +25℃ ) CH1 S 21 log MAG 10 dB/ REF -11.32 dB CENTER 140.000 000 MHz SPAN 20.000 000 MHz 250451B Cor PRm

20 Dec 2003 11:05:56

1_: 0 dB 0.000 000 MHz REF=1 BW: 7.716 969 MHz cent: 140.099225 MHz Q: 18.155 1_ loss: -11.316 dB CH1 S 21 log MAG 1 dB/ REF -11.34 dB CENTER 140.000 000 MHz SPAN 7.000 000 MHz 250451B Cor PRm CH2 S 21 delay REF 1.3 us150 ns/ Cor Smo PRm

20 Dec 2003 11:09:03

1_: 0 dB 0.000 000 MHz REF=1 BW: 4.780 459 MHz cent: 140.046636 MHz Q: 29.296 1_ loss: -11.329 dB 3_ -18.933 ns 3.400 000 MHz REF=2 mean: 1.043 2 us s.dev: 15.767 ns p-p: 63.705 ns Rev. Date 2005-10-19 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NJ3010-CS04 4/5

SAW Bandpass Filter 250451B Part No. 250451B CH1 S 21 log MAG 10 dB/ REF -12.94 dB START .010 000 MHz STOP 400.000 000 MHz 250451B PRm

20 Dec 2003 11:07:40

1_: 0 dB 0.000 000 MHz REF=1 2_:-38.266 dB

140 MHz

Rev. Date 2005-10-19 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NJ3010-CS04 5/5 21 log MAG 1 dB/ REF -11.33 dB CENTER 140.000 000 MHz SPAN 7.000 000 MHz 250451B Cor PRm CH2 S log MAG REF -11.7 dB1 dB/ Cor PRm

20 Dec 2003 11:09:23

1_: 0 dB 0.000 000 MHz REF=1 BW: 3.956 560 MHz cent: 140.032432 MHz Q: 35.392 1_ loss: -11.331 dB 3_ .1514 dB 3.400 000 MHz REF=2 mean:-11.456 dB s.dev: .1730 dB p-p: .6353 dB CH1 S 11 1 U FS CENTER 140.000 000 MHz SPAN 20.000 000 MHz 250451B Cor PRm CH2 S 22 1 U FS Cor PRm

20 Dec 2003 11:06:38

1_: 97.648 -34.66 32.799 pF 140.000 000 MHz 2_ 106.57 -39.289 28.935 pF 140.000 000 MHz CH1 S 11 SWR 5 / REF 0 CENTER 140.000 000 MHz SPAN 20.000 000 MHz 250451B Cor PRm CH2 S SWR REF 0 5 / Cor PRm

20 Dec 2003 11:07:14

1_: 2.2705 140.000 000 MHz 2_ 2.4901 140.000 000 MHz