rev. 0
Typical 效能 characteristics–ad9860/ad9862
–9–
频率 – mhz
0
巨大 – dbm
0
–20
–40
20 40 60 80 100 110 120
–60
–80
–100
140
–90
–70
–50
–30
–10
f
数据
= 32msps
4
INTERPOLATION
tpc 1. ad9862 tx 输出 6 mhz
单独的 声调; clkin = 32 mhz;
dll 4
设置
频率 – mhz
0
巨大 – dbm
0
–20
–40
20 40
60
80 100 110 120
–60
–80
–100
140
–120
f
数据
= 32msps
1
INTERPOLATION
tpc 4. txdac generating 一个
ofdm 信号; clkin = 64 mhz,
dll 2
设置
f
输出
– mhz
52035
–60
–65
–70
–75
–80
–85
–90
10
15 25 30
thd – dbc
f
数据
= 64msps
2
INTERPOLATION
THD
2nd
3rd
tpc 7. txdac 调和的
扭曲量 vs. f
输出
频率 – mhz
0
巨大 – dbm
0
–20
–40
20 40
60
80 100 110 120
–60
–80
–100
140
–90
–70
–50
–30
–10
f
数据
= 32msps
4
INTERPOLATION
tpc 2. ad9862 tx 输出 6 mhz
单独的 声调; clkin = 64 mhz;
dll 2
设置
频率 – mhz
0
巨大 – dbm
0
–20
–40
20 40 60 80 100 110 120
–60
–80
–100
140
–120
f
数据
= 32msps
4
INTERPOLATION
tpc 5. txdac generating 一个
ofdm 信号; clkin = 64 mhz,
dll 2
设置
频率
– mhz
5
snr – db
20
74
10 15 25 30
73
72
71
70
69
68
0
f
数据
= 64msps
2
INTERPOLATION
AD9862
AD9860
tpc 8. 信号-至-噪音 比率 (snr)
vs. f
输出
频率 – mhz
0
巨大 – dbm
0
–20
–40
20 40
60
80 100 110 120
–60
–80
–100
140
–90
–70
–50
–30
–10
f
数据
= 32msps
4
INTERPOLATION
tpc 3. ad9862 tx 输出 6 mhz
单独的 声调; clkin = 128 mhz;
dll 1
设置
频率 – mhz
7.90
巨大 – dbm
0
–20
–40
–60
–80
–100
–120
7.92 7.94 7.96 7.98 8.00 8.02 8.04 8.06 8.08
f
数据
= 32msps
4
INTERPOLATION
tpc 6. zoomed 在 plot 的 四
notched carriers 的 ofdm 信号;
clkin = 64 mhz, dll 2
设置
运输车 频率 – mhz
5
imd – dbc
20
–60
–65
–70
–75
–80
–85
–90
10 15 25 30
–50
–55
–95
AVD D= 3.0v
AVD D= 3.3v
AVD D= 3.6v
f
数据
= 64msps
2
INTERPOLATION
tpc 9. 二 声调 交调
vs. f
OUT1
(f
OUT2
= f
OUT1
+ 1 mhz)