555 oscillator

[scanpatton]

hi all,
i want to use a 555 to build a 100khz sq wave oscillator.. how do i choose the values for the resistors and capacitor????????????

 

[ericgibbs]

hi all,
i want to use a 555 to build a 100khz sq wave oscillator.. how do i choose the values for the resistors and capacitor????????????

Look here for starters.

 

[Boncuk]

Another option:

555 Timer pro, **broken link removed**

 

[audioguru]

The datasheet for most ICs tells you what is needed to make it work.