4. Characteristic Curves
Input/Output Characteristics (1)
µPC2533
MS (VO =
VO
0 –10 dB)
7
–10
6
–20
5
–30
US (at S/N=20 dB)
VCC =8 V
fIN = 999 kHz
fMOD = 400 Hz
(µ PC2533GS-01) AMMOD = 30 %
RSD1 = RSD2 = 24 kΩ
Signal meter voltage
(µ PC2533GS-02)
4
–40
3
–50
2
Noise
–60
1
–70
THD 30 %
THD 80 %
0
0 10 20 30 40 50 60 70 80 90 100 110 120 130
MS = 14 dB µV US = 25 dB µV
Signal input level (dB µV)
Input/Output Characteristics (2)
0
7
MS (VO =
–10 dB)
–10
6
–20
5
–30
VO
US (at S/N=20 dB)
(µ PC2533GS-01)
Signal meter voltage
VCC = 8 V
fIN = 216 kHz
fMOD = 400 Hz
AMMOD = 30 %
RSD1 = RSD2 = 24 kΩ
(µ PC2533GS-02)
4
–40
3
–50
2
Noise
–60
1
THD 30 %
–70
0
THD 80 %
0 10 20 30 40 50 60 70 80 90 100 110 120 130
MS = 12.5 dBµV US = 28 dBµV
Signal input level (dB µV)
21