AD6653-125EBZ datasheet(22/80 Pages) AD

22 / 80 page

AD6653

Rev. 0 | Page 22 of 80

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INPUT AMPLITUDE (dBFS)

SFDR (dBc)

IMD3 (dBc)

SFDR (dBFS)

IMD3 (dBFS)

Figure 37. AD6653-150 Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with

fIN1 = 169.12 MHz, fIN2 = 172.12 MHz, fS = 150 MSPS, fNCO = 177 MHz

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FREQUENCY (MHz)

Figure 38. AD6653-125, Two 64k WCDMA Carriers with fIN = 170 MHz,

fS = 122.88 MHz, fNCO = 168.96 MHz

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035

FREQUENCY (MHz)

150MSPS

29.12MHz @ –7dBFS

32.12MHz @ –7dBFS

SFDR = 91.1dBc (98.1dBFS)

fNCO = 22MHz

Figure 39. AD6653-150 Two-Tone FFT with fIN1 = 29.12 MHz, fIN2 = 32.12 MHz,

fS = 150 MSPS, fNCO = 22 MHz

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FREQUENCY (MHz)

150MSPS

169.12MHz @ –7dBFS

172.12MHz @ –7dBFS

SFDR = 83.6dBc (90.6dBFS)

fNCO = 177MHz

Figure 40. AD6653-150 Two-Tone FFT with fIN1 = 169.12 MHz,

fIN2 = 172.12 MHz, fS = 150 MSPS, fNCO = 177 MHz

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37.5

30.0

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FREQUENCY (MHz)

NPR = 61.9dBc

NOTCH @ 18.5MHz

NOTCH WIDTH = 3MHz

Figure 41. AD6653-150 Noise Power Ratio (NPR)

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125

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SAMPLE RATE (MSPS)

SFDR

SNR

Figure 42. AD6653-150 Single-Tone SNR/SFDR vs. Sample Rate (fS) with

fIN = 2.3 MHz

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