Mb3887 – FUJITSU MB3887 User Manual
Page 14
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MB3887
14
(Continued)
−
+
7
8
9
+
OUT
IN
(5)
(4)
(3)
240 k
Ω
2.4 k
Ω
10 k
Ω
10 k
Ω
10 k
Ω
10 k
Ω
Error Amp1
(Error Amp2)
4.2 V
VCC
=
19 V
1
µ
F
Ta
= +
25
°
C
A
V
φ
40
20
0
−
20
−
40
180
90
0
−
90
−
180
1 k
10 k
100 k
1 M
10 M
−
+
+
15
16
22
+
OUT
IN
240 k
Ω
2.4 k
Ω
10 k
Ω
10 k
Ω
10 k
Ω
10 k
Ω
Error Amp3
4.2 V
4.2 V
VCC
=
19 V
1
µ
F
Ta
= +
25
°
C
A
V
φ
40
20
0
−
20
−
40
180
90
0
−
90
−
180
1 k
10 k
100 k
1 M
10 M
Ta
= +
25
°
C
A
V
φ
40
20
0
−
20
−
40
180
90
0
−
90
−
180
1 k
10 k
100 k
1 M
10 M
+
−
10
13
12
VCC
=
19 V
×
20
(24)
(1)
(2)
OUT
12.55 V
12.6 V
Current Amp1
(Current Amp2)
Error amplifier gain and phase vs. Frequency
Gain A
V
(dB)
Frequency f (Hz)
Phase
φ
(deg)
Current detection amplifier gain and phase vs. Frequency
Gain A
V
(dB)
Frequency f (Hz)
Phase
φ
(deg)
Error amplifier gain and phase vs. Frequency
Gain A
V
(dB)
Frequency f (Hz)
Phase
φ
(deg)