Difference between revisions of "Power supply"

From Organic Design wiki
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*Capacitor - low value microF - to reduce RF emissions from regulator
 
*Capacitor - low value microF - to reduce RF emissions from regulator
 
=Circuit=
 
=Circuit=
[[Image:Power-supply-circuit.gif]]
+
[[Image:Power-supply.gif]]

Revision as of 08:16, 25 March 2007

To construct an unregulated DC power supply that will power the main board and any other digital logic circuits that may be required.

Parts needed

  • Transformer - input 240VAC output 12VDC
  • Bridge rectifier - single package or four diodes
  • Capacitor - high value - 12V
  • Voltage regulator 7805
  • Mounting board - high current rails

Parts in stock

  • Jug socket
  • Capacitor - low value microF - to reduce RF emissions from regulator

Circuit

Power-supply.gif