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AD9643 датащи(PDF) 18 Page - Analog Devices |
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AD9643 датащи(HTML) 18 Page - Analog Devices |
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18 / 36 page ![]() AD9643 Rev. A | Page 18 of 36 THIRD HARMONIC SECOND HARMONIC 0 –20 –40 –60 –80 –100 –120 –140 10 0 20 30 40 50 607080 90 100 FREQUENCY (MHz) 210MSPS 185.1MHz @ –1dBFS SNR = 70.3dB (71.3dBFS) SFDR = 86dBc Figure 18. AD9643-210 Single-Tone FFT with fIN = 185.1 MHz 0 –20 THIRD HARMONIC SECOND HARMONIC –40 –60 –80 –100 –120 –140 10 020 30 40 50 60 70 80 90 100 FREQUENCY (MHz) 210MSPS 305.1MHz @ –1dBFS SNR = 67.3dB (68.3dBFS) SFDR = 75dBc Figure 19. AD9643-210 Single-Tone FFT with fIN = 305.1 MHz 120 100 80 60 40 20 0 –10 –20 –30 –40 –50 –60 –70 –80 –90 –100 0 INPUT AMPLITUDE (dBFS) SFDR (dBFS) SNR (dBFS) SFDR (dBc) SNR (dBc) Figure 20. AD9643-210 Single-Tone SNR/SFDR vs. Input Amplitude (AIN) with fIN = 90.1 MHz 100 95 90 85 80 75 70 65 60 330 360 390 300 270 240 210 180 150 120 90 60 FREQUENCY (MHz) SNR (dBFS) SFDR (dBc) Figure 21. AD9643-210 Single-Tone SNR/SFDR vs. Input Frequency (fIN) 0 –20 –40 –60 –80 –100 –120 –7.0 –21.0 –32.5 –44.0 –55.5 –67.0 –78.5 –90.0 INPUT AMPLITUDE (dBFS) SFDR (dBFS) IMD3 (dBc) IMD3 (dBFS) SFDR (dBc) Figure 22. AD9643-210 Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with fIN1 = 89.12, fIN2 = 92.12 MHz, fS = 210 MSPS 0 –20 –40 –60 –80 –100 –120 –7.0 –21.0 –32.5 –44.0 –55.5 –67.0 –78.5 –90.0 INPUT AMPLITUDE (dBFS) SFDR (dBFS) IMD3 (dBc) IMD3 (dBFS) SFDR (dBc) Figure 23. AD9643-210 Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with fIN1 = 184.12, fIN2 = 187.12 MHz, fS = 210 MSPS |
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