How to Design an Oscillator for Producing Square and Triangular Waves

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To design an oscillator that produces a square wave with varying half-cycle durations, one approach is to use two oscillators with different frequencies and offsets combined through an OR gate. For generating a triangular wave from a square wave, an op-amp configured as an integrator can be utilized. The discussion also includes a request for schematics of various waveform generators. Additionally, there is a question about how to post images in the forum. The conversation centers on effective methods for creating specific waveforms in oscillator design.
Monsu
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I have a question as to how to design an oscillator that will produce a wave such as the one I have attached. It is a square wave, but with changing times, first half wave with time 20ms, and second half wave with 5ms. Also, how could i make this oscillator then produce a triangular wave.
 

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Two oscillators with different frequencies and offsets pumped into an OR gate should do it.

As for producing the triangular wave, someone else will have to answer the question
 
To get a triangle wave from a square wave, use an op-amp wired up as an integrator.

- Warren
 
Monsu said:
I have a question as to how to design an oscillator that will produce a wave such as the one I have attached. It is a square wave, but with changing times, first half wave with time 20ms, and second half wave with 5ms. Also, how could i make this oscillator then produce a triangular wave.
How did you post that image?
I have schematics of many waveform generators.
 
I am trying to understand how transferring electric from the powerplant to my house is more effective using high voltage. The suggested explanation that the current is equal to the power supply divided by the voltage, and hence higher voltage leads to lower current and as a result to a lower power loss on the conductives is very confusing me. I know that the current is determined by the voltage and the resistance, and not by a power capability - which defines a limit to the allowable...

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