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Help me create a simple circuit for obtaining a sawtooth wave

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DanTheMan

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Hi, I'd like to create a simple circuit for obtaining a sawtooth wave; I would like to have adjustable peak-to-peak voltage, a certain (given) offset, and a specific frequency...

Can you guys point me out to any sites/etc. which can illustrate this design?

The goal is to use it to modulate a Voltage Controlled Oscillator (VCO).

Thanks!

Added after 58 minutes:

Oh, also as a restriction I would like to use a +5V input level only and have the output say between 1.8 - 2.2V (with a variable frequency). It would also be nice to be able to adjust the range of the 1.8 - 2.2 for example.

Thanks!
 

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