FOUT (MHz) AC L R ( d B" />
參數(shù)資料
型號： AD9779A-DPG2-EBZ
廠商： Analog Devices Inc
文件頁數(shù)： 16/56頁
文件大小： 0K
描述： BOARD EVALUATION FOR AD9779A
設計資源： Interfacing ADL5370 to AD9779A Dual-Channel, 1 GSPS High Speed DAC (CN0016)
Interfacing ADL5371 to AD9779A Dual-Channel, 1 GSPS High Speed DAC (CN0017)
Interfacing ADL5372 to AD9779A Dual-Channel, 1 GSPS High Speed DAC (CN0018)
Interfacing ADL5373 to AD9779A Dual-Channel, 1 GSPS High Speed DAC (CN0019)
Interfacing ADL5374 to AD9779A Dual-Channel, 1 GSPS High Speed DAC (CN0020)
Interfacing ADL5375 to AD9779A Dual-Channel, 1 GSPS High Speed DAC (CN0021)
AD9788-79A Eval Brd Schematic
AD9779A-DPG2-EBZ BOM
AD9779A-DPG2-EBZ Gerber Files
標準包裝： 1
系列： *
DAC 的數(shù)量： 2
位數(shù)： 16
采樣率（每秒）： 1G
數(shù)據(jù)接口： 串行
DAC 型： 電流
工作溫度： -40°C ~ 85°C
已供物品： *
已用 IC / 零件： AD9779A
AD9776A/AD9778A/AD9779A
Rev. B | Page 23 of 56
–90
0
250
FOUT (MHz)
AC
L
R
(
d
Bc
)
–55
25
50
75
100
125
150
175
200
225
–60
–65
–70
–75
–80
–85
06
45
2-
0
45
FIRST ADJACENT CHANNEL
SECOND ADJACENT
CHANNEL
THIRD ADJACENT
CHANNEL
Figure 48. AD9776A ACLR vs. fOUT,
fDATA = 122.88 MSPS, 4× Interpolation, fDAC/4 Modulation
SPAN 50MHz
SWEEP 162.2ms (601 pts)
VBW 300kHz
CENTER 143.88MHz
*RES BW 30kHz
RMS RESULTS
CARRIER POWER
–12.67dBm/
3.84000MHz
FREQ OFFSET
5.000MHz
10.00MHz
15.00MHz
REF BW
3.884MHz
3.840MHz
dBc
–75.00
–78.05
–77.73
dBm
–87.67
–90.73
–90.41
LOWER
dBc
–75.30
–77.99
–77.50
dBm
–87.97
–90.66
–90.17
UPPER
REF –25.29dBm
*AVG
log
10dB
PAVG
10
W1 S2
*ATTEN 4dB
0
645
2-
0
46
Figure 49. AD9776A Single Carrier W-CDMA,
4× Interpolation, fDATA = 122.88 MSPS, Amplitude = 3 dBFS
–150
–170
0
100
fOUT (MHz)
NS
D
(
d
B
m
/Hz
)
–154
–158
–162
–166
20
40
60
80
fDAC = 800MSPS
fDAC = 400MSPS
fDAC = 200MSPS
10
30
50
70
90
06
45
2-
0
47
Figure 50. AD9776A Noise Spectral Density vs. fOUT,
Eight-Tone Input with 500 kHz Spacing, fDATA = 200 MSPS
–150
–170
0
100
fOUT (MHz)
NS
D
(
d
B
m
/Hz
)
–154
–158
–162
–166
20
40
60
80
fDAC = 800MSPS
fDAC = 400MSPS
fDAC = 200MSPS
10
30
50
70
90
06
45
2-
0
48
Figure 51. AD9776A Noise Spectral Density vs. fOUT,
Single-Tone Input at 6 dBFS, fDATA = 200 MSPS
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