Typical relaxation oscillator and its output voltage waveform
Source: InternetPublisher:张三叔 Keywords: Oscillator Output Voltage BSP Switch Updated: 2021/04/07
Typical relaxation oscillator and its output voltage waveform
The sawtooth wave signal generator is actually an extension and application of the relaxation oscillator. The figure shows a typical relaxation oscillator . If
the input terminal of the operational amplifier switches between ten/- voltages, there will be a triangular wave signal at the output terminal. This feature can be used to form the required
oscillation circuit.
When the switch is switched to position 1, a negative voltage is applied, so The output is a positive slope voltage: when the switch is switched to position 2,
the output is a negative slope voltage. If the switch
switches back and forth at regular intervals, the output is
a triangle wave consisting of alternating positive and negative ramp voltages.
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