SAW Bandpass Filter 252904B 1. Features IF Bandpass Filter High Attenuation Single-Ended Operation DIP Package Maximum Storage Temperature Range : -40℃ ~ 85℃ Electrostatics Sensitive Device (ESD) Package : D3512 2.5±0.2 25.4±0.2 7.6±0.2 0.45±0.05 5.5max 6.0max ITF 08A001 252904B 125-29.1M 35.1±0.5 12.8±0.5 2.5±0.2 2. Package Dimension Pin Configuration 1 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 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Input Part No. 252904B Rev. Date 2008-10-30 Rev. NM8064-CS01 1/5 SAW Bandpass Filter 252904B 3. Specifications Fo = 125.0 MHz Terminating source impedance : 50Ω and matching network Terminating load impedance : 50Ω and matching network Minimum Typical Maximum MHz - 125.0 - dB - 28.8 30.5 1dB Bandwidth MHz 29.05 29.12 - 3dB Bandwidth MHz - 29.32 - 40dB Bandwidth MHz - 30.17 30.3 dB - 1.2 2.2 Group Delay Variation (fo ± 14.52 MHz) nsec - 40 80 Absolute Delay usec - 2.95 - dB 48 52 - dB 26 42 - ppm/°C - -72 - Center Frequency Insertion Loss Amplitude Ripple (fo ± 14.52 MHz) Ultimate Rejection Relative Attenuation Fo ± 15.1MHz Temperature Coefficient of Frequency 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 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. 252904B Rev. Date 2008-10-30 Rev. NM8064-CS01 2/5 SAW Bandpass Filter 252904B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) L1 Input 50Ω L2 C1 Output 50Ω C2 L1 = L2 = 47nH C1 = 20pF, C2 = 15pF 5. Marking Configuration ITF1) 08A0012) 252904B3) 1254)-29.1M5) 1) Manufacturer name 2) Lot Number 3) Part Number 4) Center frequency 5) 1dB-Bandwidth I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. 252904B Rev. Date 2008-10-30 Rev. NM8064-CS01 3/5 SAW Bandpass Filter 252904B 6. Typical Performance ( at +25°°C ) CH1 S21 LOG 10 dB/ 24 Sep 2008 15:19:08 1: 0. 0000 dB 0. 000 000 MHz REF -28.87 dB * CH1 Markers 1 BW: 30. 169096 MHz 2 cent : 125. 035743 MHz Cor REF=1 Q: 4. 1445 1_loss : -28 . 865 dB Hld 3 4 CENTER 125. 000 000 MHz CH1 S21 CH2 S21 LOG LOG 1 dB/ 1 dB/ SPAN 80. 000 000 MHz 24 Sep 2008 15:20:13 1: 0. 0000 dB 0. 000 000 MHz 2:- . 42840 dB -28 . 840 000 MHz REF -28.51 dB REF -28.82 dB CH1 Markers BW: 29. 126806 MHz Cor REF=1 cent : 125. 061899 MHz Q: 4. 2937 1 1_loss : -28 . 798 dB 2 3 4 2 3 Cor CH2 Markers mean:-28 . 676 dB REF=3 s. dev : . 10470 dB p-p : . 54820 dB CENTER 125. 000 000 MHz I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 SPAN 36. 000 000 MHz Part No. 252904B Rev. Date 2008-10-30 Rev. NM8064-CS01 4/5 SAW Bandpass Filter 252904B CH1 S21 CH2 S21 LOG DEL 1 dB/ 100 ns/ 24 Sep 2008 15:20:25 1: 0. 0000 dB 0. 000 000 MHz 2:-8 . 2514 ns -28 . 840 000 MHz REF -28.51 dB REF 2.934 us CH1 S21 LOG 10 dB/ 24 Sep 2008 15:19:36 1: 0. 0000 dB 0. 000 000 MHz REF -28.87 dB * CH1 Markers BW: 29. 320531 MHz Cor CH1 Markers REF=1 1 2:-43 . 878 dB -15 . 1000 MHz Cor cent : 125. 058372 MHz Q: 4. 2652 1 REF=1 3:-42 . 641 dB 15. 1000 MHz 1_loss : -28 . 789 dB 2 Hld 2 Smo Cor 3 4 3 CH2 Markers mean: 2. 9545 us 3 2 REF=3 s. dev : 7. 0294 ns p-p : 41. 538 ns CENTER 125. 000 000 MHz CH2 S21 LOG 1 dB/ REF -28.85 dB SPAN 36. 000 000 MHz 24 Sep 2008 15:24:15 3: . 40490 dB 29. 040 000 MHz CH2 Markers mean:-28 . 696 dB CENTER 125. 000 000 MHz CH1 S11 CH2 S22 SWR SWR 5 / 5 / SPAN 80. 000 000 MHz 24 Sep 2008 15:24:57 1: 6. 7043 125. 000 000 MHz 2: 7. 7212 125. 000 000 MHz REF 6.7 REF 7.741 REF=2 Cor s. dev : . 11640 dB p-p : 1. 1631 dB 1 3 2 Cor Cor CENTER 125. 000 000 MHz SPAN 36. 000 000 MHz I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 2 CENTER 125. 000 000 MHz SPAN 80. 000 000 MHz Part No. 252904B Rev. Date 2008-10-30 Rev. NM8064-CS01 5/5