output voltage of 0 to 10 volts using PWM

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Hi there,
I want to have 4 different output voltages of 0 to 10 volts using PWM
control. I have taken a PAK-Vb to keep the PWM signal constant but I
probebly need a transistor and a 10 volts supply together with some
RC circuit. There whill be no or very less current withdraw! What
circuit do I need to use?? I mean what value's for R and C???

Can anyone help me??

Thanks, Marko