22-23-2031
X1-1
X1-2
X1-3
R9 R8
R2 V+ 100k 100k
GND
1k V+
V+
V+
22-23-2031
U1 U3
7
3 TL081N 3 TL081N R15
S
VS I1
X2-1
X2-2
X2-3
6 6 E A
2 5 2 5
220
1
100
4
V-
V-
R16
R1 GND V-
V+
GND V-
1N4728
1k
E
C1 S
R10 R11 R12
D1
R3 R4
R13
500
100k 100k 560
A
560 2200
GND
R14
470
V-
SV1 I1 4 3 I2
VS
4 2 1
3
V- JP2
2
V+
1
GND GND
GND R18
100
R17 A E
100
S
V+ GND
I2
V+ U4
7
3 TL081N
6 1 JP1
2 5 2
V+
1
4
V-
R22
10k
1N4728
V- GND
C2
E
S
R19 R20
D2
R21
500
10k 10k
A
GND
08/06/2018 19.39 F:\MIKRO\instrument3.sch (Sheet: 1/1)