I want to generate a triangle wave with peak value 5V. I am using a 555 timer to generate square wave pulse of frequency 15KHz. Then I passes this square wave through a active integrator ( A opamp with RC circuit). But for various RC values I used i was just getting a flat line. So please help with the circuit for integrator I will be really grateful.
Electronic – Generation of triangle wave at 15KHz frequency
integratoroperational-amplifierwave
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Best Answer
Simple triangle-wave generator using two op-amps. One op-amp is configured as a Schmitt trigger, other op-amp is an integrator. You mention 5V, so I'll include the bias network needed for single-supply operation. Note that you have to use op-amps with rail-to-rail inputs AND outputs.
simulate this circuit – Schematic created using CircuitLab
Component values are NOT necessarily correct: R5 & C2 control the frequency. The ratio of R3 & R4 control the amplitude of the triangle wave - this also affects frequency.