MODEL: 20VS1A
■n Inverting amplifier circuit: Example of G = -R1 / R2 (output inverted to the input)
R2
+
R1
15
16
INPUT VIN
18
–
17
+ 13
REF. Volt. SOURCE for INPUT
– 14
–
–
+
+
POWER
89
+–
15V DC
Inverting amplifier circuit G = -R1 / R2
1+
OUTPUT VO
2–
3+
REF. Volt. SOURCE for OUTPUT
4–
■n Non-inverting amplifier circuit with external adjustments: Example of G = 2
10kΩ
(SPAN)
10kΩ 9kΩ
15
2kΩ
16 –
+
18
+
–
+
1+
OUTPUT VO
INPUT VIN
–
200Ω
30kΩ
50kΩ
(ZERO)
17
13 + REF. Volt.
SOURCE
– 14 – for INPUT
POWER
89
2–
3+
REF. Volt. SOURCE for OUTPUT
4–
+–
15V DC
Non-inverting amplifier circuit zero/span adjustments
■n Inverting amplifier's circuit with external adjustments: Example of G = -1 (output inverted to the input)
10kΩ
(SPAN)
10kΩ 9kΩ
+
15
2kΩ
INPUT VIN
16 –
18 +
–
+
1+
OUTPUT VO
–
200Ω
100kΩ
(ZERO)
30kΩ
17
13 + REF. Volt.
SOURCE
14 – for INPUT
POWER
89
+–
15V DC
Inverting amplifier circuit zero/span adjustments
2–
3+
REF. Volt. SOURCE for OUTPUT
4–
http://www.m-system.co.jp/
20VS1A SPECIFICATIONS
ES-4421 Rev.0 Page 4/5