SAW Bandpass Filter 261903B 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) 5.5max 6.0max Package : D2012 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 12.7±0.2 2.5±0.2 7.6±0.2 0.45±0.05 ITF 05A001 261903B 20.3±0.5 12.7±0.5 2.5±0.2 2. Package Dimension Input 5 Output 2, 4 Ground 3, 6 Case ground Part No. 261903B Rev. Date 2005-10-10 Rev. NM5023-CS02 1/5 SAW Bandpass Filter 261903B 3. Specifications Fo = 280.0 MHz Terminating source impedance : 50Ω and matching network Terminating load impedance : 50Ω and matching network Minimum Typical Maximum MHz - 280.0 - dB - 30.0 31.0 1dB Bandwidth MHz - 19.45 - 3dB Bandwidth MHz 19.8 19.85 - 40dB Bandwidth MHz - 21.65 21.75 dB - 0.8 1.0 Group Delay Variation (Fo +/- 9.375 MHz) nsec - 50 100 Absolute Delay usec - 2.35 - Ultimate Rejection dB 45 50 - ppm/°C - -23 - Center Frequency Insertion Loss Amplitude Ripple (Fo +/- 9.375 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. 261903B Rev. Date 2005-10-10 Rev. NM5023-CS02 2/5 SAW Bandpass Filter 261903B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) L1 Input 50Ω L2 C1 Output 50Ω C2 L1 = 10nH, L2 = 10 nH C1 = 22pF, C2 = 22 pF 5. Marking Configuration ITF1) 05A0012) 261903B3) 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. 261903B Rev. Date 2005-10-10 Rev. NM5023-CS02 3/5 SAW Bandpass Filter 261903B 6. Typical Performance ( at +25℃ ) CH1 S21 LOG 10 dB/ 9 Oct 2005 15:27:43 1: 0. 0000 dB 0. 000 000 MHz REF -29.53 dB PRm CH1 Markers 1 Cor 2 REF=1 BW: 21. 649103 MHz cent : 279. 927601 MHz Q: 12. 930 1_loss : -29 . 659 dB 4 3 CENTER 280. 000 000 MHz CH1 S21 CH2 S21 LOG DEL SPAN 56. 000 000 MHz 9 Oct 2005 15:30:23 1: 0. 0000 dB 0. 000 000 MHz 3:-14 . 710 ns 18. 750 000 MHz 1 dB/ REF -29.13 dB 100 ns/ REF 2.334 us PRm CH1 Markers BW: 19. 895324 MHz Cor REF=1 cent : 279. 980745 MHz Q: 14. 073 1_loss : -29 . 577 dB 1 2 3 PRm Smo Cor 2 3 4 CH2 Markers REF=2 mean: 2. 3489 us s. dev : 5. 7594 ns p-p : 32. 725 ns CENTER 280. 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 23. 500 000 MHz Part No. 261903B Rev. Date 2005-10-10 Rev. NM5023-CS02 4/5 SAW Bandpass Filter 261903B CH1 S21 CH2 S21 LOG LOG 1 dB/ 1 dB/ 9 Oct 2005 15:30:13 1: 0. 0000 dB 0. 000 000 MHz 3: . 14250 dB 18. 750 000 MHz REF -29.13 dB REF -29.77 dB CH1 PRm CH1 Markers LOG 10 dB/ 27 Sep 2005 13:34:29 1: 0. 0000 dB 0. 000 000 MHz REF -30.04 dB REF=1 BW: 19. 525623 MHz Cor S21 CH1 Markers cent : 279. 993405 MHz 2: -59 . 173 dB 280 . 000 MHz Q: 14. 340 3: -48 . 423 dB 560 . 000 MHz 1_loss : -29 . 589 dB 1 1 REF=1 2 3 PRm 3 4 2 Cor CH2 Markers mean:-29 . 580 dB REF=2 s. dev : . 10700 dB 3 p-p : . 65270 dB 2 CENTER 280. 000 000 MHz SPAN 23. 500 000 MHz START CH1 S11 CH2 S22 LOG LOG 2 dB/ 2 dB/ 9 Oct 2005 15:32:10 1:-7 . 9664 dB 280. 000 000 MHz 2:-5 . 0622 dB 280. 000 000 MHz REF -7.966 dB REF -5.042 dB CH1 S11 CH2 S22 PRm PRm Cor Cor . 010 000 MHz 1 U FS 1 U FS STOP 1 000 . 000 000 MHz 1: 34. 127 2: 18. 939 32. 182 27. 515 9 Oct 2005 15:32:33 18. 292 nH 280. 000 000 MHz 15. 641 nH 279. 983 200 MHz 2 1 1 PRm PRm Cor Cor 2 CENTER 280. 000 000 MHz SPAN 56. 000 000 MHz I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 CENTER 280. 000 000 MHz SPAN 56. 000 000 MHz Part No. 261903B Rev. Date 2005-10-10 Rev. NM5023-CS02 5/5