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Page 8 of 34
IRAUDAMP10 REV
1.1
Color
Sweep Trace
Line Style Thick
Data
Axis
Comment
1
1
Green
Solid
2
Anlr.THD+N Ratio Left
10W
2
1
Yellow Solid
2
Anlr.THD+N Ratio Left
50W
3
1
Red
Solid
2
Anlr.THD+N Ratio Left
100W
0.0001
100
0.001
0.01
0.1
1
10
%
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
Fig 4 THD+N Ratio vs. Frequency
Color
S weep
Trac e
Line S ty le
Thic k
Data
A x is
Com m ent
1
1
B lue
S olid
2
F ft.Ch.1 A m pl
Left
CH2
1
2
M agenta
S olid
2
F ft.Ch.2 A m pl
Left
CH1
-110
+ 0
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
V
10
20k
20
50
100
200
500
1k
2k
5k
10k
Hz
Fig 5, 1V output Frequency Spectrum
