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waqas_here
Joined: 20 Jan 2008
Posts: 21
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 24 Jun 2009 18:42 Re: Contolled +-10V required |
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Hey i got stuck in a problem. I need to interface a system with PLC. I got analog module for PLC which output 0-10V DC. But i need negative voltage on output. i-e when i put 3volts the converter must negate it to -3Volts. Plz suggest me IC or any circuit for that.
Thnx in anticipation
Added after 2 minutes:
One solution is to use inverting amplifier with gain 1. Any one have alternative solution plz
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strennor
Joined: 09 Dec 2003
Posts: 85
Helped: 14
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26 Jun 2009 5:27 Contolled +-10V required |
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charge pump voltage inverter?
Added after 1 minutes:
i think there are products and appnotes about the charge pump devices
but I am not sure who's the supplier 
maybe Maxim?
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AdrianN
Joined: 28 Jun 2009
Posts: 19
Helped: 9
Location: California
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28 Jun 2009 5:13 Contolled +-10V required |
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As I understand this, you have a positive 10V supply and you would like to generate a negative supply, right?
As strennor said, charge pump devices or switched capacitor converters. Here is a link:
http://www.analog.com/en/power-management/switched-capacitor-converters/products/index.html
If this is not what you need, post a schematic, or explain what is it that you need to design.
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