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Questions tagged [dual-supply]

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3 votes
5 answers
2k views

How to increase the output current of a dual supply (virtual ground) circuit

I need to build a dual 5 volts power supply capable of 200mA output current. I've seen designs using TLE2426 and BUF634, but they cost too much for my project. Is it possible to use a simple OpAmp ...
Sohail's user avatar
  • 294
3 votes
2 answers
1k views

Dual voltage power supply

I am working on my first power supply design for +12 V and -12 V output. The +12 V is working perfectly. The negative output at the rectifier is only -1.87 V. I have checked the wiring, replaced some ...
Josher's user avatar
  • 33
0 votes
4 answers
2k views

Generating + and -10V Power Supply?

I am building a circuit that needs to operate on +10V and -10V DC, and of course, a ground connection. It should be good enough to deliver just 1 amp. If I use a 120V to 10V AC transformer along with ...
zvolk4's user avatar
  • 135