Schematic of ±12V Boost Converter
GND
-12V
C5
Capacitance
4.7µF
U1
+12V
D3
D2
R1
Resistance
1.5MΩ
C3
Capacitance
1µF
R2
Resistance
174kΩ
L1
Inductance
22uH
C2
Capacitance
10pF
C4
Capacitance
1µF
D1