GENERATOR- YOU DO THE IN/OUT POWER MATH

[gyulasun]

Do you have a 10kOhm or 4.7kOhm potmeter? it would be good too.

If you use the 100 Ohm only the base current into the transistor would be extremely high and this would load the 555 output stage way too much too.

Maybe you could replace the duty cycle potmeter with any value up to 10-15kOhm and use the potmeter ?

Gyula

[DeepCut]

Great idea !

I have a 10k res so ill put that in place of the 10k fine-control pot and use the pot at the output.

Thanks again

[DeepCut]

Ooops !

One more thing ...

Using a pot instead of a resistor from pin-3, pin-3 would go to an outer leg of the pot or the middle ?

I am thinking the outer leg ?


Gary.

[gyulasun]

It is all the same: if it goes to an outer leg then the wiper goes to the base electrode

Or vice versa.

[DeepCut]

It's working a treat Gyula thank you so much

My tachometer arrived today


Gary.