rev. 一个
AD9876
–8–
–typical tx 数字的 过滤 效能 特性
normalized – f
s
10
–60
–100
0
–50
–70
–80
–10
–30
–20
–40
–90
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
巨大 – db
INTERPOLATION
过滤
包含 sin(x)/x
tpc 1. 4
低-通过 interpolation 过滤
normalized – f
S
10
–60
–100
0
–50
–70
–80
–10
–30
–20
–40
–90
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
巨大 – db
INTERPOLATION
过滤
包含 sin(x)/x
tpc 2. 2
低-通过 interpolation 过滤
normalized – f
S
10
–60
–100
0
–50
–70
–80
–10
–30
–20
–40
–90
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
巨大 – db
INTERPOLATION
过滤
包含 sin(x)/x
tpc 3. 4
带宽-通过 interpolation 过滤, f
S
/2 modula-
tion, 调整 image preserved
normalized – f
S
–60
–100
–50
–70
–80
–30
–40
–90
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
巨大 – db
10
0
–10
–20
INTERPOLATION
过滤
包含 sin(x)/x
tpc 4. 2
带宽-通过 interpolation 过滤, f
S
/2 modula-
tion, 调整 image preserved
normalized – f
S
10
–60
–100
0
–50
–70
–80
–10
–30
–20
–40
–90
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
巨大 – db
INTERPOLATION
过滤
包含 sin(x)/x
tpc 5. 4
带宽-通过 interpolation 过滤, f
S
/4 调制,
更小的 image preserved
normalized – f
S
10
–60
–100
0
–50
–70
–80
–10
–30
–20
–40
–90
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
巨大 – db
包含 sin(x)/x
INTERPOLATION
过滤
tpc 6. 4
带宽-通过 interpolation 过滤, f
S
/4 调制,
upper image preserved