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0.005
10
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
20 20k50 100 200 500 1k 2k 5k 10k
f - 频率 - hz
thd+n - total 调和的 扭曲量 + 噪音 - %
1 w
2 w
V
DD
= 5 v,
R
L
= 3
Ω
,
,
C
(绕过)
= 0 至 1
µ
f,
增益 = 1 v/v,
C
I
= 2
µ
F
0.01
20
0.02
0.05
0.1
0.2
0.5
1
2
5
10
10m 320m 50m 100m 200m 500m 1 2
P
O
- 输出 电源 - w
thd+n - total 调和的 扭曲量 + 噪音 - %
2.5 v
3.6 v
5 v
R
L
= 8
Ω
,
C
(绕过)
= 0 至 1
µ
f,
增益 = 1 v/v
0.001
10
0.002
0.005
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
20 20k50 100 200 500 1k 2k 5k 10k
0.5 w
0.1 w
1 w
f - 频率 - hz
thd+n - total 调和的 扭曲量 + 噪音 - %
V
DD
= 3.6 v,
R
L
= 4
Ω
,
,
C
(绕过)
= 0 至 1
µ
f,
增益 = 1 v/v,
C
I
= 2
µ
F
0.005
10
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
20
20k
50 100 200 500
1k 2k 5k 10k
f - 频率 - hz
thd+n - total 调和的 扭曲量 + 噪音 - %
2 w
1.8 w
1 w
V
DD
= 5 v,
R
L
= 4
Ω
,
,
C
(绕过)
= 0 至 1
µ
f,
增益 = 1 v/v,
C
I
= 2
µ
F
TPA6211A1
SLOS367B–AUGUST2003–REVISEDAUGUST2004
TOTALHARMONICDISTORTION+NOISETOTALHARMONICDISTORTION+NOISE
vsvs
OUTPUTPOWERFREQUENCY
figure7.figure8.
TOTALHARMONICDISTORTION+NOISETOTALHARMONICDISTORTION+NOISE
vsvs
FREQUENCYFREQUENCY
figure9.figure10.
7
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