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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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AD9689-2000EBZ 데이터시트(PDF) 23 Page - Analog Devices |
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AD9689-2000EBZ 데이터시트(HTML) 23 Page - Analog Devices |
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23 / 134 page  Data Sheet AD9689 Rev. A | Page 23 of 134 –120 –100 –80 –60 –40 –20 0 0 160 320 480 640 800 960 1120 1280 FREQUENCY (MHz) AIN1 AND AIN2 = –8dBFS SFDR = 72dBFS IMD2 = 72dBFS IMD3 = 78dBFS BUFFER CURRENT = 500µA Figure 48. Two-Tone FFT; fIN1 = 1841 MHz, fIN2 = 1846 MHz; AIN1 and AIN2 = −8 dBFS –120 –100 –80 –60 –40 –20 0 0 160 320 480 640 800 960 1120 1280 FREQUENCY (MHz) AIN1 AND AIN2 = –8dBFS SFDR = 76dBFS IMD2 = 78dBFS IMD3 = 76dBFS BUFFER CURRENT = 700µA Figure 49. Two-Tone FFT; fIN1 = 2137 MHz, fIN2 = 2142 MHz; AIN1 and AIN2 = −8 dBFS –130 –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 –122.88 –92.16 –61.44 –30.72 0 30.72 61.44 92.16 122.88 FREQUENCY (MHz) AIN1 AND AIN2 = –8dBFS NCO FREQUENCY = 1.84GHz SFDR = 77dBFS BUFFER CURRENT = 700µA Figure 50. Two-Tone FFT; fIN1 = 1846.5 MHz, fIN2 = 2142.5 MHz fCLK = 2.4576 GHz; Decimation Ratio = 10, NCO Frequency = 1840 MHz –130 –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 –122.88 –92.16 –61.44 –30.72 0 30.72 61.44 92.16 122.88 FREQUENCY (MHz) AIN1 AND AIN2 = –8dBFS NCO FREQUENCY = 2.14GHz SFDR = 84dBFS BUFFER CURRENT = 700µA Figure 51. Two-Tone FFT; fIN1 = 1846.5 MHz, fIN2 = 2142.5 MHz fCLK = 2.4576 GHz; Decimation Ratio = 10, NCO Frequency = 2140 MHz –130 –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 –90 –84 –78 –72 –66 –60 –54 –48 INPUT AMPLITUDE (dBFS) –42 –36 –30 –24 –18 –12 IMD3 (dBc) IMD3 (dBFS) SFDR (dBc) SFDR (dBFS) Figure 52. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with fIN1 = 1841.5 MHz, fIN2 = 1846.5 MHz –130 –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 –90 –84 –78 –72 –66 –60 –54 –48 INPUT AMPLITUDE (dBFS) –42 –36 –30 –24 –18 –12 IMD3 (dBc) IMD3 (dBFS) SFDR (dBc) SFDR (dBFS) Figure 53. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with fIN1 = 2137.5 MHz, fIN2 = 2142.5 MHz |
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