75.0 MHz SAW Filter Part Number 231851B 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 - 75.0 - dB - 25.0 26.5 1dB Bandwidth 3dB Bandwidth MHz MHz 18.05 18.23 - - 18.73 - 40dB Bandwidth MHz - 20.66 20.85 dB - 0.5 1.0 Group Delay Variation (fo ± 8.77 MHz) nsec - 30 80 Absolute Delay usec - 1.62 - dB 45 48 - ppm/℃ ℃ - -72 - Center Frequency (fo) Insertion Loss Amplitude Ripple (fo ± 8.77 MHz) Ultimate Rejection Temperature Coefficient of Frequency S1365 Package Dimension Matching Schematic 150nH 13.30±0.2 12 8 7.62±0.1 7 ITF 11A001 231851B 。75-18.2M 1 2 3 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 11 5 12pF 180nH Output 50Ω 12 4 3 2 2.54±0.1 1 0.80±0.1 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 75.0 MHz SAW Filter Part Number 231851B 3. Typical Performance ( at +25℃ ℃) 1dB Bandwidth & Ripple 3dB Bandwidth & Group Delay 15 Dec 2009 06:52:58 CH1 S21 CH2 S21 LOG LOG 1 dB/ REF -25.09 dB 1 dB/ REF -25.46 dB 1: 0. 0000 dB 3:-. 08490 dB 15 Dec 2009 06:54:50 0. 000 000 MHz 17. 540 000 MHz CH1 S21 CH2 S21 LOG DEL 1: 0. 0000 dB 3:-3 . 4363 ns 1 dB/ REF -25.09 dB 100 ns/ REF 1.589 us 0. 000 000 MHz 17. 540 000 MHz CH1 Markers REF=1 BW: 18. 231001 MHz cent : Cor 74. 972914 MHz CH1 Markers REF=1 BW: 18. 738401 MHz cent : Cor 74. 970706 MHz Q: 4. 1124 Q: 4. 0009 1_loss : -25 . 258 dB 1 1_loss : -25 . 249 dB 1 2 2 3 4 3 3 2 CH2 Markers REF=2 mean:-25 . 272 dB Cor CENTER 75. 000 000 MHz 2 Smo Cor CH2 Markers REF=2 mean: 41. 6235 us 3 s. dev : . 09840 dB s. dev : 6. 1699 ns p-p : . 47660 dB p-p : 30. 934 ns SPAN 22. 000 000 MHz CENTER 75. 000 000 MHz 40dB Bandwidth SPAN 22. 000 000 MHz Smith Chart 15 Dec 2009 06:56:05 15 Dec 2009 06:48:55 CH1 S21 LOG 10 dB/ REF -25.27 dB 1: 0. 0000 dB 0. 000 000 MHz CH1 S11 CH2 S22 1: 7. 9231 2: 17. 414 1 U FS 1 U FS -7 . 1624 -62 . 365 296. 28 pF 34. 026 pF 75. 000 000 MHz 75. 000 000 MHz * CH1 Markers REF=1 BW: 20. 664569 MHz 1 Cor Cor cent : 2 74. 928263 MHz Q: 3. 6259 1_loss : -25 . 272 dB 1 3 4 Cor 2 START 42. 500 000 MHz CENTER 75. 000 000 MHz STOP 107. 500 000 MHz Wide band Properties SPAN 65. 000 000 MHz SWR(S11 & S22) 15 Dec 2009 06:56:47 CH1 S21 LOG 10 dB/ REF -24.11 dB 1: 0. 0000 dB 15 Dec 2009 06:55:49 0. 000 000 MHz CH1 Markers REF=1 2:-57 . 685 dB 75. 0000 MHz CH1 S11 CH2 S22 SWR SWR 20 / 20 / 1: 6. 4556 2: 7. 5359 REF 6.431 REF 7.558 75. 000 000 MHz 75. 000 000 MHz Cor 3:-64 . 721 dB 150. 000 MHz 1 1 Cor 2 2 START . 010 000 MHz 3 STOP 250. 000 000 MHz 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 CENTER 75. 000 000 MHz http://www.itf.co.kr SPAN 65. 000 000 MHz [email protected] 2011. 01.24 Rev 1.0