>Using Peters solution though C1 would be a high voltage but small ie
>about .1 uF cap for a couple of mA and C2 would be a low voltage cap. In
>your circuit Reg wouldn't you require a high voltage high capacitance
>capacitor for C2 which would be relatively  quite expensive.
>Jim

  Hi Jim:

  Yes, you're right. It depends strongly on how much current you need.

  Reg