need 5v out noice genrator

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Do you mean noise? All that is needed is an amplifier with a lot of gain. A zener diode makes a good noise source.
 
I did not build this, but it should give some noise. Q1 can be any NPN transistor, R7 adjusts the output amplitude. Instead of a 9 volt battery, you can use a power supply of up to 15 volts.
 

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