Datasheet

AD637
Rev. K | Page 15 of 20
BUFFER
AD637
SQUARER/DIVIDER
BIAS
SECTION
FILTER
1
2
3
4
5
6
7
14
13
12
11
10
9
ABSOLUTE
VALUE
100pF
V
X
IN
BUFFER
AD637
SQUARER/DIVIDER
FILTER
25k
25k
1
2
3
4
5
6
7
14
13
12
11
10
9
8
ABSOLUTE
VALUE
100pF
V
Y
IN
5pF
10k
AD711K
EXPANDABLE
10k
10k
IC1
IC2
00788-022
C
AV
BUFF
OUT
COMMON
OUTPUT
OFFSET
BUFF IN
NC
CS
DEN
INPUT
dB OUTPUT
NC
V
OUT
4.7k
+V
S
COMMON
OUTPUT
OFFSET
BUFF IN
NC
CS
DEN
INPUT
dB OUTPUT
4.7k
+V
S
BUFF
OUT
NC
V
OUT
8
–V
S
–V
S
–V
S
+V
S
BIAS
SECTION
V
X
2
+ V
Y
2
V
OUT
=
–V
S
+V
S
20k
+V
S
+V
S
25k
25k
Figure 22. Vector Sum Configuration