Fluke 77 - Manual (Page 24)

Theory of Operation
Detailed Description
2
2-7
AC
AC
AC
AC
AC
FILTER
FILTER
R10
C11
C5
C6
C8
C7
C9
+
+
R18
R19
R17
R9
16
17
28
26
39
40
27
44
45
10
9
8
46
47
INPUT
DIGITAL SECTION
Z1
Z1
+
+
+
+
+
INT
DE-INT
REF
REF
AC CONVERTER
ACTIVE FILTER
BUFFER
INTEGRATOR
COMPARATOR
U1
aaa03f.eps
Figure 2-2. AC and A/D Converter