On Wed, 4 May 2005 23:24:24 +0200, "Rightrik" wrote:

Hello, i need a little, low power (about 500 mA) step up converter from 12 v
dc to 24 v dc to operate correctly a 4 ways coaxial switch.
I have found project on the net, but i wonder if there is a ready, little,
not ott expensive kit or ready-to-go-module to obtain this 24-26 v dc
voltage from 12 (13,8) dc volt input.

Thank you,
73 de Riccardo IK5WQO

KEMO Electronics (germany) make these items. They have an interesting range of
small modules with various functions. Have a look at their web page:

http://www.kemo-electronic.com/en/module/m029/index.htm

They are wholesale only, but have distributors around the planet.