Sawtooth wave alludes to a wave structure with its ascent time being ordinarily longer than relating fall time or fall time longer when contrasted with the ascent time.

Sawtooth waveform can be likewise created by an uneven astable multivibrator followed by an integrator. The sawtooth wave generators have wide application in time-base generators and heartbeat width regulation circuits.

The contrast between the triangular wave and sawtooth waveform is that the ascent time of triangular wave is constantly equivalent to its fall of time while in generator, rise time might be a lot higher than its fall of time.

Sawtooth Wave Generator :

The contrast between the triangular and sawtooth waveforms is that the ascent time of the triangular wave is constantly equivalent to fall time. That is, a similar measure of time is required for the triangular wave to swing from - Vramp to + Vramp as from + Vramp to - Vramp .

Then again, sawtooth waveform has inconsistent ascent time and fall time. The triangular waveform generator can be changed over into sawtooth wave structure generator by infusing a variable dc voltage into the non-upsetting terminal of the integrator. This can be practiced by utilizing the potentiometer (pot) and interfacing it to +VCC and - VEE as appeared in the figure.

Contingent upon the pot setting ,a specific dc level is embedded in the yield of the integrator. The obligation cycle of the square-wave will be dictated by the extremity and plentifulness of this dc level.

An obligation cycle under half will at that point cause the yield of integrator to be a sawtooth. With the wiper at the focal point of the pot , the yield of integrator is a triangular wave.

For some other situation of Pot , the yield is a sawtooth waveform. Explicitly as the pot variable is moved towards - VEE , the ascent time of the sawtooth wave turns out to be longer than the fall time. Then again, as the pot is moved towards +VCC , the fall time turns out to be longer than the ascent time.

Sawtooth wave generator

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