100kΩ
9
2
10
D
M
6
14
D
15
A2
13
11
A1
17
250Ω
16
12
IOUT
7
0.47µF
0.47µF
10Ω
4
100kΩ
1
3
10Ω
RL
O/P PWR
+
15V
+
–
19
VIN
–
Pulse GEN
20
0.47µF
I/P PWR
FIGURE 9. Isolated 1 to 5VIN/ 4mA to 20mA IOUT
.
400kΩ
9
2
R1
10
RF
D
M
6
14
R2
R3
2N2219A
D
15
A2
RA
1.5MΩ
200kΩ
REF02
5V
13
11
RC
A1
17
7
200Ω
16
12
IOUT
200kΩ
0.47µF
+
–
4
VIN
0.47µF
RL
1
Ripple
Filter
3
O/P PWR
+
–
15V
19
24V
Supply
Pulse GEN
20
0.47µF
I/P PWR
FIGURE 10. Isolated 4mA to 20mA IOUT
.
®
14
3656