Differential Difference Current Conveyor Transconductance Amplifier: A New Analog Building Block for Signal Processing

<table>Outputs of the proposed oscillator: (a) quadrature output voltages at <svg height="14.35" id="M171" style="vertical-align:-3.22281pt" version="1.1" viewbox="0 0 29.1875 14.35" width="29.1875" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.35)">
<g transform="translate(72,-60.52)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑉</tspan>
</text>
<text transform="matrix(1,0,0,-1,-64.76,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">o</tspan>
<tspan style="font-size: 8.75px; " x="4.3759999" y="0">u</tspan>
<tspan style="font-size: 8.75px; " x="8.7519999" y="0">t</tspan>
<tspan style="font-size: 8.75px; " x="11.185056" y="0">1</tspan>
</text>
</g>
</g>
</svg> and <svg height="14.35" id="M172" style="vertical-align:-3.22281pt" version="1.1" viewbox="0 0 29.1875 14.35" width="29.1875" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.35)">
<g transform="translate(72,-60.52)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑉</tspan>
</text>
<text transform="matrix(1,0,0,-1,-64.76,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">o</tspan>
<tspan style="font-size: 8.75px; " x="4.3759999" y="0">u</tspan>
<tspan style="font-size: 8.75px; " x="8.7519999" y="0">t</tspan>
<tspan style="font-size: 8.75px; " x="11.185056" y="0">2</tspan>
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</svg>; (b) current oscillation at <svg height="14.35" id="M173" style="vertical-align:-3.22281pt" version="1.1" viewbox="0 0 22.225 14.35" width="22.225" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.35)">
<g transform="translate(72,-60.52)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐼</tspan>
</text>
<text transform="matrix(1,0,0,-1,-65.95,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">o</tspan>
<tspan style="font-size: 8.75px; " x="4.3759999" y="0">u</tspan>
<tspan style="font-size: 8.75px; " x="8.7519999" y="0">t</tspan>
</text>
</g>
</g>
</svg>.</table>

Journal of Electrical and Computer Engineering

fig11

Figure 11

Figure 11: Differential Difference Current Conveyor Transconductance Amplifier: A New Analog Building Block for Signal Processing 