AD6643 Analog Devices, AD6643 Datasheet - Page 16

• Manufacturer Part Number: AD6643
• Description: Dual IF Receiver
• Manufacturer: Analog Devices

AD6643
Figure 12. AD6643-200 Single Tone SNR/SFDR vs. Input Amplitude (A
Figure 14. AD6643-200 Two Tone SFDR/IMD3 vs. Input Amplitude (A
Figure 13. AD6643-200 Single Tone SNR/SFDR vs. Input Frequency (f
–100
–120
120
100
100
–20
–40
–60
–80
80
60
40
20
95
90
85
80
75
70
65
60
–90.0
–100
0
0
65
75
–90
SNR (dBc)
SNR (dBFS)
–78.5
85
–80
f
IN1
95
= 89.12 MHz, f
–67.0
105
–70
INPUT AMPLITUDE (dBFS)
INPUT AMPLITUDE (dBFS)
IMD3 (dBc)
SFDR (dBc)
115
FREQUENCY (MHz)
–60
90.1 MHz
–55.5
SNR (dBFS)
125
SFDR (dBc)
SFDR (dBFS)
SFDR (dBFS)
IMD3 (dBFS)
–50
135
IN2
–44.0
= 92.12 MHz
145 155 165
–40
SFDR (dBc)
–32.5
–30
–20
175
–21.0
185
–10
195
–7.0
0
IN
IN
) with
), f
IN
Rev. A | Page 16 of 36
)
IN
=
Figure 16. AD6643-200 Two Tone FFT with f
Figure 15. AD6643-200 Two Tone SFDR/IMD3 vs. Input Amplitude (A
Figure 17. AD6643-200 Two Tone FFT with f
–100
–120
–100
–120
–140
–100
–120
–140
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
–90.0
0
0
0
0
0
200MSPS
89.12MHz @ –7dBFS
92.12MHz @ –7dBFS
SFDR = 89dBc (96dBFS)
10
10
–78.5
f
IN1
20
20
= 184.12 MHz, f
–67.0
INPUT AMPLITUDE (dBFS)
30
30
IMD3 (dBc)
FREQUENCY (MHz)
FREQUENCY (MHz)
–55.5
40
40
MHz
SFDR (dBc)
SFDR (dBFS)
IMD3 (dBFS)
IN2
50
50
–44.0
= 187.12 MHz
IN1
200MSPS
184.12MHz @ –7dBFS
187.12MHz @ –7dBFS
SFDR = 86dBc (93dBFS)
60
60
IN1
= 89.12 MHz, f
= 184.12 MHz, f
–32.5
70
70
Data Sheet
80
80
–21.0
IN2
90
90
IN2
= 92.12 MHz
= 187.12
–7.0
100
100
IN
) with