The 555 does not generate a real sawtooth. There is an exponential voltage on a timing capacitor which could be treated as sawtooth.
For a "true" sawtooth you have to use a constant current source for charging / discharging.
The 555 does not generate a real sawtooth. There is an exponential voltage on a timing capacitor which could be treated as sawtooth.
For a "true" sawtooth you have to use a constant current source for charging / discharging.