rev. 0
AD9873
–16–
频率 补偿
–
MHz
0
–
60
–
2.5
–
1.0
巨大
–
dB
1.0 2.0
–
20
–
90
–
40
2.5
–
80
0 1.5
–
1.5
–
0.5 0.5
–
10
–
30
–
50
–
2.0
–
70
tpc 8a. 单独的 sideband @ 65 mhz, rbw = 500 hz
f
C
= 66 mhz, f = 1 mhz, r
设置
= 10 k
Ω
(i
输出
= 4 毫安)
频率 补偿
–
kHz
0
–
60
–
50
–
20
巨大
–
dB
20 40
–
20
–
100
–
40
50
–
80
030
–
30
–
10 10
–
10
–
30
–
50
–
40
–
70
–
90
tpc 9. 单独的 sideband @ 65 mhz, rbw = 50 hz
f
C
= 66 mhz, f = 1 mhz, r
设置
= 10 k
Ω
(i
输出
= 4 毫安)
频率
–
MHz
0
–
60
0
巨大
–
dB
35
–
20
–
80
–
40
15525
–
10
–
30
–
50
–
70
45402010 30 50
tpc 11. 16-qam @ 42 mhz 谱的 plot, rbw = 1 khz
频率 补偿
–
MHz
0
–
60
–
2.5
–
1.0
巨大
–
dB
1.0 2.0
–
20
–
90
–
40
2.5
–
80
0 1.5
–
1.5
–
0.5 0.5
–
10
–
30
–
50
–
2.0
–
70
tpc 8b. 单独的 sideband @ 65 mhz, rbw = 500 hz
f
C
= 66 mhz, f = 1 mhz, r
设置
= 4 k
Ω
(i
输出
= 10 毫安)
频率 补偿
–
kHz
0
–
60
–
2.5
–
1.0
巨大
–
dB
1.0 2.0
–
20
–
100
–
40
2.5
–
80
0 1.5
–
1.5
–
0.5 0.5
–
10
–
30
–
50
–
2.0
–
70
–
90
tpc 10. 单独的 sideband @ 65 mhz, rbw = 10 hz
f
C
= 66 mhz, f = 1 mhz, r
设置
= 10 k
Ω
(i
输出
= 4 毫安)
频率
–
MHz
0
–
60
0
巨大
–
dB
35
–
20
–
80
–
40
15525
–
10
–
30
–
50
–
70
45402010 30 50
tpc 12. 16-qam @ 5 mhz 谱的 plot, rbw = 1 khz
典型 qam transmit 效能 特性
(16-qam, 2.56 mbit/s sinc 过滤 使能, square root raised cosine 过滤 和 alpha = 0.25, r
设置
= 4 k
[I
输出
= 10 ma], f
SYSCLK
= 163.84 mhz, f
OSCIN
= 20.48 mhz [m = 8, n = 4].)