参数资料
型号: AD9959/PCBZ
厂商: Analog Devices Inc
文件页数: 5/44页
文件大小: 0K
描述: BOARD EVALUATION FOR AD9959
产品培训模块: Direct Digital Synthesis Tutorial Series (1 of 7): Introduction
Direct Digital Synthesizer Tutorial Series (7 of 7): DDS in Action
Direct Digital Synthesis Tutorial Series (3 of 7): Angle to Amplitude Converter
Direct Digital Synthesis Tutorial Series (6 of 7): SINC Envelope Correction
Direct Digital Synthesis Tutorial Series (4 of 7): Digital-to-Analog Converter
Direct Digital Synthesis Tutorial Series (2 of 7): The Accumulator
设计资源: Phase Coherent FSK Modulator (CN0186)
AD9958/59 Eval Brd Schematics
AD9958/59 Eval Brd Gerber Files
AD9959 Eval Brd BOM
标准包装: 1
主要目的: 计时,直接数字合成(DDS)
嵌入式:
已用 IC / 零件: AD9959
主要属性: 10 位数模转换器,32 位调节字宽
次要属性: 4 通道
已供物品: 板,线缆,软件
其它名称: AD9959/PCB
AD9959/PCB-ND
Q2548077
AD9959
Rev. B | Page 13 of 44
–170
–160
–150
–140
–130
–120
–110
–100
10
100
1k
10k
100k
1M
10M
FREQUENCY OFFSET (Hz)
PH
A
S
E
N
O
ISE
(
d
B
c/
H
z)
05
246
-03
4
75.1MHz
100.3MHz
40.1MHz
15.1MHz
Figure 16. Residual Phase Noise (SSB) with fOUT = 15.1 MHz, 40.1 MHz,
75.1 MHz, 100.3 MHz; fCLK = 500 MHz with REFCLK Multiplier Bypassed
–70
–170
10
10M
05
24
6-
0
35
FREQUENCY OFFSET (Hz)
PH
A
S
E
N
O
ISE
(
d
B
c/
H
z)
–80
–90
–100
–110
–120
–130
–140
–150
–160
100
1k
10k
100k
1M
100.3MHz
75.1MHz
15.1MHz
40.1MHz
Figure 17. Residual Phase Noise (SSB) with fOUT = 15.1 MHz, 40.1 MHz,
75.1 MHz, 100.3 MHz; fCLK = 500 MHz with REFCLK Multiplier = 5×
–70
–170
10
10M
05
24
6-
0
36
FREQUENCY OFFSET (Hz)
P
HAS
E
NO
IS
E
(
d
Bc/
H
z)
–80
–90
–100
–110
–120
–130
–140
–150
–160
100
1k
10k
100k
1M
100.3MHz
75.1MHz
15.1MHz
40.1MHz
Figure 18. Residual Phase Noise (SSB) with fOUT = 15.1 MHz, 40.1 MHz,
75.1 MHz,100.3 MHz; fCLK = 500 MHz with REFCLK Multiplier = 20×
–60
–85
25.3
200.3
05
24
6-
0
37
FREQUENCY OF COUPLING SPUR (MHz)
CHANN
E
L
I
S
O
L
A
T
IO
N
(
d
Bc)
–65
–70
–75
–80
50.3
75.3
100.3
125.3
150.3
175.3
SEPARATE DAC POWER PLANES
SINGLE DAC POWER PLANE
Figure 19. Channel Isolation at 500 MSPS Operation; Conditions are Channel
of Interest Fixed at 110.3 MHz, the Other Channels Are Frequency Swept
600
0
500
05
24
6-
0
38
REFERENCE CLOCK FREQUENCY (MHz)
TO
TA
L
P
O
W
E
R
D
IS
S
IP
A
T
IO
N
(
m
W
) 500
400
300
200
100
450
400
350
300
250
200
150
100
50
3 CHANNELS ON
4 CHANNELS ON
2 CHANNELS ON
1 CHANNEL ON
Figure 20. Power Dissipation vs. Reference Clock Frequency vs. Channel(s)
Power On/Off
–45
–75
1.1
05
24
6-
04
5
fOUT (MHz)
S
F
DR
(
d
B
c)
–50
–55
–60
–65
–70
15.1
40.1
75.1
100.3
200.3
SFDR AVERAGED
Figure 21. Averaged Channel SFDR vs. fOUT
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