Electronically Tunable Transimpedance Instrumentation Amplifier Based on OTRA

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="648540.fig.009a" src="https://static.hindawi.com/articles/je/volume-2013/648540/figures/648540.fig.009a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Frequency response for <svg height="15.3875" id="M61" style="vertical-align:-3.38113pt" version="1.1" viewbox="0 0 34.212502 15.3875" width="34.212502" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.112)"><path d="M627 18l-10 -26q-79 6 -116 27t-69 76q-41 71 -71 138q-13 29 -27.5 39t-42.5 10h-46l-27 -145q-13 -74 -2.5 -88.5t78.5 -20.5l-6 -28h-271l5 28q66 6 82.5 21.5t30.5 87.5l71 387q12 66 2 78.5t-77 19.5l8 28h233q102 0 147 -29q65 -43 65 -129q0 -69 -45.5 -117
t-115.5 -72q40 -86 66 -133q39 -68 65 -101q28 -37 73 -51zM491 483q0 67 -33.5 101t-91.5 34q-35 0 -51 -10q-13 -8 -20 -48l-45 -245h49q71 0 113 28q79 52 79 140z" id="x1D445"></path></g>
<g transform="matrix(.012,-0,0,-.012,11.013,15.187)"><path d="M687 650v-28q-52 -6 -71.5 -23t-47.5 -83q-142 -346 -208 -527h-31q-119 325 -207 545q-21 54 -39.5 68.5t-65.5 19.5v28h245v-28q-52 -5 -61.5 -15.5t3.5 -43.5q55 -157 166 -437h2q120 303 158 421q14 43 3.5 55.5t-71.5 19.5v28h225z" id="x56"></path></g><g transform="matrix(.012,-0,0,-.012,17.914,15.187)"><path d="M673 0h-245v28q47 6 58 16t1 39l-55 154h-213q-31 -87 -36 -129q-16 -47 -5 -61t68 -19v-28h-226v28q50 7 68.5 23.5t43.5 80.5l214 524l24 9l193 -536q23 -63 41.5 -79.5t68.5 -21.5v-28zM418 280l-81 255h-2q-74 -197 -101 -255h184z" id="x41"></path></g><g transform="matrix(.012,-0,0,-.012,26.136,15.187)"><path d="M631 18l-4 -26q-24 0 -35 1q-57 3 -92.5 23t-69.5 68q-21 30 -101 160q-13 22 -30.5 31t-54.5 9h-32v-159q0 -63 14 -77.5t74 -19.5v-28h-262v28q62 5 76 19.5t14 77.5v402q0 62 -13 76t-73 19v28h248q109 0 159 -34q67 -42 67 -131q0 -115 -127 -172q27 -52 89 -144
q49 -71 81 -104q31 -36 72 -47zM212 316h48q73 0 108 29q55 42 55 124q0 76 -42 112t-104 36q-41 0 -54 -10q-11 -7 -11 -44v-247z" id="x52"></path></g>
</svg> =10 KΩ</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="648540.fig.009b" src="https://static.hindawi.com/articles/je/volume-2013/648540/figures/648540.fig.009b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>CMRR response</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="648540.fig.009c" src="https://static.hindawi.com/articles/je/volume-2013/648540/figures/648540.fig.009c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Observed output for 70 KHz input and observed output for 2 MHz input</td></tr></table></td></tr></table>

<table>Experimental results of the proposed TIA.</table>

Journal of Engineering

fig9

Figure 9

Figure 9: Electronically Tunable Transimpedance Instrumentation Amplifier Based on OTRA 