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How to switch from low to high voltages

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hemant03

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Hi,
I have a signal that comes out of the op-amp circuitry working on 15V power supply. Since I am supposed to use in the programming chip, I have to reduce the voltage level.
Now the output from CPLD is supposed to go to the circuitry operating at 15V logic level. How do I accomplish this. Any clues?

Thanks,
- Hemant
 

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