Datasheet

AD9911
Rev. 0 | Page 14 of 44
–170
–160
–150
–140
–130
–120
–110
–
100
10 100 1k 10k 100k 1M 10M
FREQUENCY OFFSET (Hz)
PHASE NOISE (dBc/Hz)
75.1MHz
100.3MHz
40.1MHz
15.1MHz
05785-019
Figure 19. Residual Phase Noise (SSB) with f
OUT
= 15.1 MHz, 40.1 MHz,
75.1 MHz, 100.3 MHz, f
CLK
= 500 MHz with REF_CLK Multiplier Bypassed
–
70
–170
10 10M
FREQUENCY OFFSET (Hz)
PHASE NOISE (dBc/Hz)
–80
–90
–100
–110
–120
–130
–140
–150
–160
100 1k 10k 100k 1M
100.3MHz
75.1MHz
15.1MHz
40.1MHz
05785-020
Figure 20. Residual Phase Noise (SSB) with f
OUT
= 15.1 MHz, 40.1 MHz,
75.1 MHz, 100.3 MHz, f
CLK
= 500 MHz with REF_CLK Multiplier = 5×
–
70
–170
10 10M
FREQUENCY OFFSET (Hz)
PHASE NOISE (dBc/Hz)
–80
–90
–100
–110
–120
–130
–140
–150
–160
100 1k 10k 100k 1M
100.3MHz
75.1MHz
15.1MHz
40.1MHz
05785-021
Figure 21. Residual Phase Noise(SSB) with f
OUT
= 15.1 MHz, 40.1 MHz,
75.1 MHz, 100.3 MHz, f
CLK
= 500 MHz with REF_CLK Multiplier = 20×
235
75
100 500
CLOCK FREQUENCY (MHz)
POWER (mW)
215
195
175
155
135
115
95
150 200 250 300 350 400 450
0
5785-022
Figure 22. Power vs. System Clock Frequency
0
–100
CENTER 50.17407705MHz SPAN 15MHz
05785-057
–10
–20
–30
–40
–50
–60
–70
–80
–90
1.5MHz/
(dB)
1
Figure 23. Amplitude Modulation Using Primary Channel
(CH1 = 50 MHz) and One Auxiliary Channel (CH0 = 1 MHz)
0
–100
CENTER 10.2MHz SPAN 750kHz
05785-058
–10
–20
–30
–40
–50
–60
–70
–80
–90
75kHz/
(dB)
1
Figure 24. Two-Tone Generation Using Primary Channel (CH1 = 10.1 MHz)
and One Auxiliary Channel (CH0 = 10.3 MHz)