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Chapter 16 Oscillator Circuits and Applications
staff.utar.edu.myR4 is the potentiometer that is used to provide V ref voltage to the integrator. By control V ref voltage, shape of the saw tooth wave can be varied. The time t 1 of the positive ramping of the wave is t 1 = ( ) ( ) out (max) 2 3 out (max) ref 1 V R R V V 2R C ⋅ + + −. The time t 2 for the negative ramping of the wave is t 2 = ( ) ( )
THE POTENTIOMETER SPECIALISTS®
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