AD6674 Datasheet, PDF (15/91 Pages) Analog Devices – 385 MHz BW IF Diversity Receiver

Data Sheet
0
A_IN = –1dBFS
SNR = 59.8BFS
ENOB = 9.6 BITS
–20 _{SFDR = 79dBFS}
BUFFER CONTROL 1 = 8.0×
–40
–60
–80
–100
–120
0
100
200
300
400
500
FREQUENCY (MHz)
Figure 12. Single Tone FFT with fIN = 1293.3 MHz
0
A_IN = –1dBFS
SNR = 57.7dBFS
ENOB = 9.2 BITS
–20 _{SFDR = 70dBFS}
BUFFER CONTROL 1 = 8.0×
–40
–60
–80
–100
–120
0
100
200
300
400
500
FREQUENCY (MHz)
Figure 13. Single Tone FFT with fIN = 1725.3 MHz
0
A_IN = –1dBFS
SNR = 57.0dBFS
–20
ENOB = 9.1 BITS
SFDR = 69dBFS
BUFFER CURRENT = 6.0×
–40
–60
–80
–100
–120
0
100
200
300
400
500
FREQUENCY (MHz)
Figure 14. Single Tone FFT with fIN = 1950.3 MHz
AD6674
90
85
SFDR (dBFS)
80
75
70
SNR (dBFS)
65
60
700 750 800 850 900 950 1000 1050 1100
SAMPLE RATE (MHz)
Figure 15. SNR/SFDR vs. Sample Rate (fS), fIN = 170.3 MHz;
Buffer Control 1 = 3.0×
90
80
1.5×, SFDR
70
3.0×, SFDR
60
50
3.0×, SNR
40
30
20
1.5×, SNR
10
0
10.3
63.3 100.3 170.3 225.3 302.3 341.3 403.3 453.3 502.3
ANALOG INPUT FREQUENCY (MHz)
Figure 16. SNR/SFDR vs. Analog Input Frequency (fIN);
fIN < 500 MHz; Buffer Control 1 = 1.5× and 3.0×
0
A_IN1 AND A_IN2 = –7dBFS
SFDR = 87dBFS
–20
IMD2 = 93dBFS
IMD3 = 87dBFS
BUFFER CONTROL 1 = 3.0×
–40
–60
–80
–100
–120
0
100
200
300
400
500
FREQUENCY (MHz)
Figure 17. Two-Tone FFT; fIN1 = 184 MHz, fIN2 = 187 MHz
Rev. B | Page 15 of 91