Global Mixed-mode Technology Inc.
G1421
Total Harmonic Distortion Plus
Noise vs Output Frequency
Total Harmonic Distortion Plus
Noise vs Output Power
10
10
R
R
5
VDD=3.3V
RL=8 ,SE
Av=-2
5
VDD=3.3V
Ω
RL=4
Ω
2
1
2
1
Po=50mW
SE
Av=-2
20kHz
0.5
0.5
%
%
0.2
0.1
0.2
0.1
Po=100mW
1kHz
0.05
0.05
0.02
0.01
0.02
0.01
Po=150mW
100Hz
20
50
100
200
500
Hz
1k
2k
5k
10k
20k
1m
2m
5m
10m
20 m
50m
100m
200m
W
Figure 35
Figure 36
Total Harmonic Distortion Plus
Noise vs Output Frequency
Total Harmonic Distortion Plus
Noise vs Output Frequency
10
5
10
5
VDD=3.3V
VDD=3.3V
RL=8
Ω
RL=8
Ω
2
1
2
1
SE
SE
Po=100mW
Po=25mW
Av=-4V/V
0.5
0.5
%
%
0.2
0.1
0.2
0.1
Po=50mW
Av=-2V/V
0.05
0.05
0.02
0.01
0.02
0.01
Av=-1V/V
Po=100mW
20
50
10 0
200
5 00
Hz
1k
2k
5 k
10k
20k
20
50
100
200
500
Hz
1k
2k
5k
10k
20k
Figure 38
Figure 37
Total Harmonic Distortion Plus
Noise vs Output Power
Total Harmonic Distortion Plus
Noise vs Output Frequency
10
5
10
5
VDD=3.3V
VDD=3.3V
2
1
RL=32
Ω
RL=32
SE
Ω
1kHz
2
1
SE
Av=-4V/V
0.5
Po=30mW
0.2
0.1
0.5
20kHz
Av=-2V/V
%
%
0.2
0.1
0.05
0.02
0.01
20Hz
0.05
0.005
Av=-1V/V
0.02
0.01
0.002
0.001
1m
2m
5m
10m
W
20m
50m
100m
20
50
100
2 00
500
Hz
1k
2k
5k
10k
20k
Figure 39
Figure 40
TEL: 886-3-5788833
http://www.gmt.com.tw
Ver: 1.6
Aug 04, 2005
10