+/-15vdc 7815, 7915 Power supply

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Could someone please send me a link to schematics? I recently put together a supply with LM317, LM337 for +/- 15VDC but I want to make similar but fixed supply with 7815 and 7915. I only require about 1 ampere. My transformer is not center tapped. It has been working ok with my adustablle regulators.
Thanks
 
Voltage Doubler

without center tapped trafo you will need to use voltage doubler configuration.

schematic attached.
 

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  • Voltage Doubler Regulated.GIF
    Voltage Doubler Regulated.GIF
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