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AD9652BBCZ-310 データシート(PDF) 18 Page - Analog Devices |
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AD9652BBCZ-310 データシート(HTML) 18 Page - Analog Devices |
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18 / 37 page ![]() Data Sheet AD9652 Rev. B | Page 17 of 36 0 –120 –100 –80 –60 –40 –20 105 100 95 90 85 80 75 –80 –60 –40 –20 0 INPUT AMPLITUDE (dBFS) IMD2 (dBc) IMD3 (dBc) IMD2 (dBFS) IMD3 (dBFS) SFDR (dBFS) Figure 30. Two Tone SFDR/Intermodulation Distortion (IMD) vs. Input Amplitude, for fIN = 70.1 MHz and 72.1 MHz, Dither Disabled 0 –120 –100 –80 –60 –40 –20 105 100 95 90 85 80 75 –80 –60 –40 –20 0 INPUT AMPLITUDE (dBFS) IMD2 (dBc) IMD3 (dBc) IMD2 (dBFS) IMD3 (dBFS) SFDR (dBFS) Figure 31. Two Tone SFDR/IMD vs. Input Amplitude, for fIN = 184 MHz and 187 MHz, Dither Disabled, Register 0x22A = 0x01 0 –140 –120 –100 –80 –60 –40 –20 0 150 125 100 75 50 25 fIN (MHz) AIN1 = AIN2 = –7dBFS SFDR = 87dBc (94dBFS) IMD2 = –92dBc (–99dBFS) IMD3 = –87dBc (–94dBFS) Figure 32. Two Tone FFT with fIN = 89.1 MHz and 92.1 MHz, VREF = 1.25 V 0 –120 –100 –80 –60 –40 –20 105 100 95 90 85 80 75 –80 –60 –40 –20 0 INPUT AMPLITUDE (dBFS) IMD2 (dBc) IMD3 (dBc) IMD2 (dBFS) IMD3 (dBFS) SFDR (dBFS) Figure 33. Two Tone SFDR/IMD vs. Input Amplitude, for fIN = 70.1 MHz and 72.1 MHz, Dither Enabled 0 –120 –100 –80 –60 –40 –20 105 100 95 90 85 80 75 –80 –60 –40 –20 0 INPUT AMPLITUDE (dBFS) IMD2 (dBc) IMD3 (dBc) IMD2 (dBFS) IMD3 (dBFS) SFDR (dBFS) Figure 34. Two Tone SFDR/IMD vs. Input Amplitude, for fIN = 184 MHz and 187 MHz, Dither Enabled, Register 0x22A = 0x01 70000 0 10000 20000 30000 40000 50000 60000 CODES Figure 35. Grounded Input Histogram |
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