254401B

254401B ITF | Alldatasheet

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SAW Bandpass Filter 254401B Part No. 254401B 1. Features z IF bandpass filter z High attenuation z Single-ended operation z DIP Package z Maximum Storage Temperature Range : -40 ~ 85℃℃ z Electrostatics Sensitive Device (ESD) 2. Package Dimension 2.5±0.212.7±0.2 0.45±0.05 2.5±0.2 7.6±0.26.0max5.5max 20.3±0.5 12.7±0.5 ITF 04A001 254401B Package : D2012 Pin Configuration

1 Input

5 Output

2, 4 Ground 3, 6 Case ground Dimensions shown are nominal in millimeters Base : Fe(SPCC), Au plating over Ni plated Cap : Cu & Cr Alloy, Ni Plated Termination : Kovar, Au Plated Rev. Date 2004-03-22 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM3026-CS03 1/5

SAW Bandpass Filter 254401B Part No. 254401B 3. Specifications Fo = 140 MHz Terminating source impedance : 50 Ω and matching network Terminating load impedance : 50 Ω and matching network Operating temperature range : -20 ℃ ~ +70℃ Minimum Typical Maximum Center Frequency MHz 139.75 140.0 140.25 Insertion Loss dB - 24.5 26.0 3dB Bandwidth MHz 44 44.25 - 40dB Bandwidth MHz - 48.6 51 Amplitude Ripple (Fo +/- 20 MHz) dB - 0.8 1.0 Group Delay Variation (Fo +/- 20 MHz) nsec - 50 120 Absolute Delay usec - 1.07 - Ultimate Rejection dB 50 55 - Temperature Coefficient of Frequency ppm/°C - -72 - Operating temperature range : +25 ℃ Minimum Typical Maximum Amplitude Ripple (Fo +/- 20.5 MHz) dB - 0.8 1 Group Delay Variation (Fo +/- 20.5 MHz) nsec - 50 120 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 2004-03-22 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM3026-CS03 2/5

SAW Bandpass Filter 254401B Part No. 254401B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) Output 50Ω Input 50Ω L1 L3 L1 = 68 nH, L3 = 56 nH L2 = 270 nH 5. Marking Configuration ITF1) 04A0012) 254401B3) 1) Manufacturer name 2) Lot Number 3) Part Number Rev. Date 2004-03-22 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM3026-CS03 3/5

SAW Bandpass Filter 254401B Part No. 254401B CH1 S 21 log MAG 10 dB/ REF -24.38 dB CH1 CENTER 140.000 000 MHz SPAN 120.000 000 MHz Cor PRm

27 Oct 2003 14:55:01

1_: 0 dB 0.000 000 MHz REF=1 BW: 48.667 895 MHz cent: 139.986358 MHz Q: 2.8764 1_ loss: -24.377 dB 6. Typical Performance ( at +25℃ ) CH1 S 21 log MAG 1 dB/ REF -23.94 dB Cor PRm CH2 S 21 delay REF 1.069 us50 ns/ CENTER 140.000 000 MHz SPAN 52.000 000 MHz Cor Smo PRm

27 Oct 2003 15:00:29

1_ 0 dB 0.000 000 MHz REF=1 BW: 44.231 179 MHz cent: 140.026720 MHz Q: 3.1658 1_ loss: -24.287 dB 3_: 3.2278 ns 40.000 000 MHz REF=2 mean: 1.075 5 us s.dev: 3.0785 ns p-p: 16.902 ns Rev. Date 2004-03-22 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM3026-CS03 4/5

SAW Bandpass Filter 254401B Part No. 254401B Rev. Date 2004-03-22 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM3026-CS03 5/5 CH1 S 21 log MAG 10 dB/ REF -24.36 dB START .010 000 MHz STOP 400.000 000 MHz PRm

27 Oct 2003 15:03:29

1_:-24.601 dB 140.000 000 MHz CH1 CH1 S 11 1 U FS Cor PRm CH2 S 22 1 U FS CENTER 140.000 000 MHz SPAN 120.000 000 MHz Cor PRm

27 Oct 2003 15:02:38

1_ 18.75 -32.014 35.51 pF 140.000 000 MHz 2_: 10.929 -29.025 39.166 pF 140.000 000 MHz S 21 log MAG 1 dB/ REF -23.94 dB CENTER 140.000 000 MHz SPAN 52.000 000 MHz Cor PRm CH2 S 21 log MAG REF -24.32 dB1 dB/ Cor PRm

27 Oct 2003 15:00:09

1_: 0 dB 0.000 000 MHz REF=1 BW: 43.301 573 MHz cent: 140.048988 MHz Q: 3.2343 1_ loss: -24.281 dB 3_ .0619 dB 40.000 000 MHz REF=2 mean:-24.241 dB s.dev: .1038 dB p-p: .5443 dB CH1 11 SWR 10 / REF 3.876 CENTER 140.000 000 MHz SPAN 120.000 000 MHz S Cor PRm CH2 SWR REF 6.173 10 / Cor S 22 PRm

27 Oct 2003 15:02:27

1_: 3.8842 140.000 000 MHz 2_ 6.1755 140.000 000 MHz