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AD6657ABBCZ 数据表(PDF) 15 Page - Analog Devices |
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AD6657ABBCZ 数据表(HTML) 15 Page - Analog Devices |
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15 / 36 page ![]() Data Sheet AD6657A Rev. 0 | Page 15 of 36 Figure 11. Single Tone FFT, fIN = 247.3 MHz Figure 12. Single Tone FFT, fIN = 305.3 MHz Figure 13. Single Tone FFT, fIN = 140.3 MHz, NSR Enabled in 22% BW Mode, Tuning Word = 28 Figure 14. Single Tone FFT, fIN = 230.3 MHz, NSR Enabled in 33% BW Mode, Tuning Word = 17 Figure 15. Single Tone FFT, fIN = 230.3 MHz, NSR Enabled in 36% BW Mode, Tuning Word = 14 Figure 16. Single Tone SNR/SFDR vs. Input Amplitude (AIN), fIN = 70.3 MHz 0 –20 –40 –60 –80 –100 –120 0 9.25 18.50 27.75 37.00 46.25 55.50 64.75 74.00 83.25 92.50 FREQUENCY (MHz) THIRD HARMONIC SECOND HARMONIC 185MSPS 247.3MHz @ –1dBFS SNR = 66dB (65dBFS) SFDR = 83dBc 0 –20 –40 –60 –80 –100 –120 0 9.25 18.50 27.75 37.00 46.25 55.50 64.75 74.00 83.25 92.50 FREQUENCY (MHz) THIRD HARMONIC SECOND HARMONIC 185MSPS 305.3MHz @ –1dBFS SNR = 64.9dB (65.9dBFS) SFDR = 80dBc 0 –20 –40 –60 –80 –100 –120 –140 0 9.25 18.50 27.75 37.00 46.25 55.50 64.75 74.00 83.25 92.50 FREQUENCY (MHz) THIRD HARMONIC 185MSPS 140.3MHz @ –1dBFS NSR 22% BW MODE, TW = 28 SNR = 73.4dB (74.9dBFS) SFDR = 91dBc 0 –20 –40 –60 –80 –100 –120 –140 0 9.25 18.50 27.75 37.00 46.25 55.50 64.75 74.00 83.25 92.50 FREQUENCY (MHz) THIRD HARMONIC SECOND HARMONIC 185MSPS 230.3MHz @ –1dBFS NSR 33% BW MODE, TW = 17 SNR = 70.8dB (72.5dBFS) SFDR = 93.7dBc 0 –20 –40 –60 –80 –100 –120 –140 0 9.25 18.50 27.75 37.00 46.25 55.50 64.75 74.00 83.25 92.50 FREQUENCY (MHz) 185MSPS 230.3MHz @ –1dBFS NSR 36% BW MODE, TW = 14 SNR = 70.3dB (71.3dBFS) SFDR = 93.4dBc THIRD HARMONIC 100 90 80 70 60 50 40 30 20 10 0 INPUT AMPLITUDE (dBFS) SNR (dBc) SFDR (dBc) SNR (dBFS) SFDR (dBFS) |
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