120.0 MHz SAW Filter Part Number 251851B 1. Features Typical 1dB bandwidth of 18.2 MHz High attenuation Single Ended Operation Surface Mounted Package (SMD) 2. Electrical Specifications Source and Load Impedance = 50Ω Room Temperature : +25℃ ℃ Minimum Typical Maximum MHz - 120.0 - dB - 24.0 25.5 1dB Bandwidth 3dB Bandwidth MHz MHz 18.05 18.2 - - 18.7 - 40dB Bandwidth MHz - 20.65 20.85 dB - 0.5 1.0 Group Delay Variation (fo ± 8.77 MHz) nsec - 35 80 Absolute Delay usec - 1.55 - dB 50 55 - ppm/℃ ℃ - -72 - Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 8.77 MHz) Ultimate Rejection Temperature Coefficient of Frequency S1365 Package Dimension 13.30±0.2 12 8 ITF 11A001 251851B 。120-18.2M 1 2 3 56nH 7.62±0.1 7 7 6 6 5 5 8 9 10 11 Input 50Ω 1.50±0.1 4 2.54±0.1 11 9 1.61±0.2 6.50±0.2 10 Matching Schematic 11 5 56pF 56nH 7pF Output 50Ω 12 4 3 2 2.54±0.1 1 0.80±0.1 Pin Configuration Dimensions shown are nominal in millimeters Body : Al2O3 Lid : Kovar, Ni Plated Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Tel: 82-32-621-1213 Fax: 82-32-621-1218 Input 11 Ground 6,12 Output 5 Others Ground http://www.itf.co.kr [email protected] 2011. 01.24 Rev 1.0 120.0 MHz SAW Filter Part Number 251851B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple 3dB Bandwidth & Group Delay 15 Dec 2009 10:08:43 CH1 S21 CH2 S21 LOG LOG 1: 0. 0000 dB 3:-. 06570 dB 1 dB/ REF -23.54 dB 1 dB/ REF -23.98 dB 15 Dec 2009 10:09:11 0. 000 000 MHz 17. 540 000 MHz CH1 S21 CH2 S21 LOG DEL 1 dB/ REF -23.54 dB 100 ns/ REF 1.512 us 1: 0. 0000 dB 3: 15. 397 ns 0. 000 000 MHz 17. 540 000 MHz CH1 Markers REF=1 BW: 18. 209262 MHz cent : 120. 045635 MHz Cor CH1 Markers REF=1 BW: 18. 699537 MHz cent : 120. 063146 MHz Cor Q: 6. 5926 Q: 6. 4206 1_loss : -23 . 711 dB 1 1_loss : -23 . 708 dB 1 2 2 3 4 3 3 2 CH2 Markers REF=2 mean:-23 . 739 dB Cor START 109. 000 000 MHz 2 Smo Cor CH2 Markers REF=2 4 5514 us mean: 1. 3 s. dev : . 09720 dB s. dev : 6. 6856 ns p-p : . 47420 dB p-p : 34. 055 ns STOP 131. 000 000 MHz CENTER 120. 000 000 MHz 40dB Bandwidth SPAN 22. 000 000 MHz Smith Chart 15 Dec 2009 10:10:18 15 Dec 2009 10:07:33 CH1 S21 LOG 10 dB/ REF -23.78 dB 1: 0. 0000 dB 0. 000 000 MHz CH1 S11 CH2 S22 1: 3. 3650 2: 13. 017 1 U FS 1 U FS -7 . 7100 -15 . 467 172. 02 pF 85. 748 pF 120. 000 000 MHz 120. 000 000 MHz * CH1 Markers REF=1 BW: 20. 649804 MHz 1 Cor Cor cent : 120. 063728 MHz 2 Q: 5. 8143 1_loss : -23 . 737 dB 1 3 4 2 Cor START 87. 500 000 MHz CENTER 120. 000 000 MHz STOP 152. 500 000 MHz Wide band Properties SPAN 65. 000 000 MHz SWR(S11 & S22) 15 Dec 2009 10:11:25 CH1 S21 LOG 10 dB/ REF -22.69 dB 1: 0. 0000 dB 15 Dec 2009 10:10:09 0. 000 000 MHz CH1 Markers REF=1 2:-73 . 087 dB 120. 000 MHz CH1 S11 CH2 S22 SWR SWR 20 / 20 / 1: 15. 229 2: 4. 2278 REF 15.27 REF 4.224 120. 000 000 MHz 120. 000 000 MHz Cor 3:-71 . 536 dB 240. 000 MHz 1 1 Cor START . 010 000 MHz 2 STOP 400. 000 000 MHz 3 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Tel: 82-32-621-1213 Fax: 82-32-621-1218 2 CENTER 120. 000 000 MHz http://www.itf.co.kr SPAN 65. 000 000 MHz [email protected] 2011. 01.24 Rev 1.0