Voltage Mode Pulse Width Modulator Using Single Operational Transresistance Amplifier

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="309124.fig.008a" src="https://static-preview.hindawi.com/articles/je/volume-2013/309124/figures/309124.fig.008a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Modulating signal and PWM output signal</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="309124.fig.008b" src="https://static-preview.hindawi.com/articles/je/volume-2013/309124/figures/309124.fig.008b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Summed up modulating and carrier signals</td></tr></table></td></tr></table>

<table>PWM output for 5 V, 1 KHz sinusoidal modulating signal.</table>

Journal of Engineering

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Figure 8

Figure 8: Voltage Mode Pulse Width Modulator Using Single Operational Transresistance Amplifier 