SAW Bandpass Filter 251906B 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) Package : D2712 2.5±0.2 17.7±0.2 7.6±0.2 0.45±0.05 5.5max 6.0max ITF 04A001 251906B 27.3±0.5 12.7±0.5 Pin Configuration 1 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 2.5±0.2 2. Package Dimension Input 5 Output 2, 4 Ground 3, 6 Case ground Part No. 251906B Rev. Date 2004-04-20 Rev. DS4031-CS01 1/5 SAW Bandpass Filter 251906B 3. Specifications Fo = 120 MHz Terminating source impedance : 50Ω and matching network Terminating load impedance : 50Ω and matching network Minimum Typical Maximum MHz 119.9 120.0 120.1 dB - 30.0 31.0 1dB Bandwidth MHz - 18.87 - 3dB Bandwidth MHz 19.0 19.09 - 40dB Bandwidth MHz - 20.06 20.3 dB - 0.7 1.0 Group Delay Variation (Fo +/- 9.22 MHz) nsec - 50 100 Absolute Delay usec - 4.04 - Ultimate Rejection dB 50 52 - ppm/°C - -23 - Center Frequency Insertion Loss Amplitude Ripple (Fo +/- 9.22 MHz) 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. 251906B Rev. Date 2004-04-20 Rev. DS4031-CS01 2/5 SAW Bandpass Filter 251906B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) L1 Input 50Ω L4 L2 Output 50Ω L3 L1 = 56 nH, L4 = 68 nH L2 = 82 nH, L3 = 68 nH 5. Marking Configuration ITF1) 04A0012) 251906B3) 1) Manufacturer name 2) Lot Number 3) Part Number I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. 251906B Rev. Date 2004-04-20 Rev. DS4031-CS01 3/5 SAW Bandpass Filter 251906B 6. Typical Performance ( at +25℃ ) CH1 S 21 log MAG 10 dB/ 25 Sep 2003 11:47:07 1_: 0 REF -29.46 dB dB 0.000 000 MHz REF=1 PRm BW: 20.071 609 MHz 1 Cor cent: 120.017555 MHz Q: 5.9795 2 1_ loss: -29.5 dB 3 4 CH1 CENTER 120.000 000 MHz CH1 CH2 S 21 S 21 log MAG delay SPAN 50.000 000 MHz 1 dB/ 100 ns/ 25 Sep 2003 11:48:39 1_ 0 dB REF -29.32 dB REF 4.038 us 3_: 7.0731 ns 0.000 000 MHz PRm REF=1 BW: 19.111 356 MHz Cor cent: 120.025703 MHz Q: 6.2803 1 1_ loss: -29.27 dB 2 18.440 000 MHz 3 REF=2 PRm 32 Cor mean: 4.044 3 us 4 s.dev: 6.1534 ns p-p: 31.712 ns Smo 1 CENTER 120.000 000 MHz I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 2 SPAN 23.000 000 MHz Part No. 251906B Rev. Date 2004-04-20 Rev. DS4031-CS01 4/5 SAW Bandpass Filter 251906B CH1 CH2 S 21 S 21 log MAG log MAG 1 dB/ 1 dB/ 25 Sep 2003 11:48:22 REF -29.32 dB 1_ 0 dB REF -29.3 dB 3_: .1525 dB CH1 S21 LOG 10 dB/ 12 Apr 2004 19:05:56 1: -28 . 550 dB 120 . 000 000 MHz REF -28.9 dB 0.000 000 MHz PRm REF=1 BW: 18.897 640 MHz Cor cent: 120.031199 MHz 1 1 Q: 6.3517 1_ loss: -29.257 dB 2 3 4 18.440 000 MHz 3 REF=2 PRm mean:-29.245 dB 2 s.dev: .0947 dB Cor p-p: .5688 dB 1 2 CENTER 120.000 000 MHz CH1 CH2 S 11 S 22 SWR SWR START . 010 000 MHz STOP 400 . 000 000 MHz SPAN 23.000 000 MHz 2 / 1 / REF 2.624 REF 2.896 25 Sep 2003 11:50:40 1_ 2.6233 2_: 2.8964 CH1 CH2 S 11 S 22 1 U FS 1 U FS 25 Sep 2003 11:50:48 -32.914 40.296 pF -31.48 42.131 pF 1_: 29.719 2_ 25.583 120.000 000 MHz PRm 120.000 000 MHz PRm 1 Cor Cor 1 2 120.000 000 MHz PRm PRm 2 Cor CENTER 120.000 000 MHz 120.000 000 MHz 2 Cor SPAN 50.000 000 MHz 1 CENTER 120.000 000 MHz I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 SPAN 50.000 000 MHz Part No. 251906B Rev. Date 2004-04-20 Rev. DS4031-CS01 5/5