This simple circuit is a good solution to the powering a dual supply op amp from a single battery problem. The circuit simply takes a positive voltage and inverts it. It uses only one 555 timer and a few other passive components, so it doesn't add much in the way of size and cost to a project.
Schematic-
Parts List-
R1 - 1 - 24K 1/4 Watt Resistor
R2 - 1 - 56K 1/4 Watt Resistor
C1 - 1 - 3300pF 25V Ceramic Capacitor
C2 - 1 - 47uF 25V Electrolytic Capacitor
C3 - 1 - 10uF 25V Electrolytic Capacitor
C4 - 1 - 100uF 25V Electrolytic Capacitor
D1, D2 - 2 - 1N4148 Silicon Diode
U1 - 1 - 555 Timer
MISC - 1 - Wire, Board
0 comments:
Post a Comment