Datasheet

AD9258
Rev. A | Page 21 of 44
0
–20
–40
–60
–80
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–120
–140
0 102030405060
FREQUENCY (MHz)
AMPLITUDE (dBFS)
08124-016
125MSPS
2.4MHz @ –1dBFS
SNR = 76.6dB (77.6dBFS)
SFDR = 89dBc
SECOND HARMONIC
THIRD HARMONIC
Figure 32. AD9258-125 Single-Tone FFT with f
IN
= 2.4 MHz
0
–20
–40
–60
–80
–100
–120
–140
0 102030405060
FREQUENCY (MHz)
AMPLITUDE (dBFS)
08124-017
125MSPS
30.3MHz @ –1dBFS
SNR = 76.4dB (77.4dBFS)
SFDR = 91.2dBc
SECOND HARMONIC
THIRD HARMONIC
Figure 33. AD9258-125 Single-Tone FFT with f
IN
= 30.3 MHz
0
–20
–40
–60
–80
–100
–120
–140
0 102030405060
FREQUENCY (MHz)
AMPLITUDE (dBFS)
08124-018
125MSPS
70.1MHz @ –1dBFS
SNR = 76.5dB (77.5dBFS)
SFDR = 88.0dBc
SECOND HARMONIC
THIRD HARMONIC
Figure 34. AD9258-125 Single-Tone FFT with f
IN
= 70.1 MHz
0
–20
–40
–60
–80
–100
–120
–140
0 102030405060
FREQUENCY (MHz)
AMPLITUDE (dBFS)
08124-019
125MSPS
140.1MHz @ –1dBFS
SNR = 75.5dB (76.5dBFS)
SFDR = 85.0dBc
SECOND HARMONIC
THIRD HARMONIC
Figure 35. AD9258-125 Single-Tone FFT with f
IN
= 140.1 MHz
0
–20
–40
–60
–80
–100
–120
–140
0 102030405060
FREQUENCY (MHz)
AMPLITUDE (dBFS)
08124-020
125MSPS
200.3MHz @ –1dBFS
SNR = 74.3dB (75.3dBFS)
SFDR = 81dBc
SECOND HARMONIC
THIRD HARMONIC
Figure 36. AD9258-125 Single-Tone FFT with f
IN
= 200.3 MHz
0
–20
–40
–60
–80
–100
–120
–140
0 102030405060
FREQUENCY (MHz)
AMPLITUDE (dBFS)
08124-021
125MSPS
220.1MHz @ –1dBFS
SNR = 74.0dB (75.0dBFS)
SFDR = 79.3dBc
SECOND HARMONICTHIRD HARMONIC
Figure 37. AD9258-125 Single-Tone FFT with f
IN
= 220.1 MHz