ACL\({A_{CL}} = \frac{{{A_{OL}}}}{{1 + {A_{OL}}\beta }}\)Here, \({A_{OL}} = \frac{{{{10}^4}}}{{1 + {{10}^{ - 3}}s}},\beta = \frac{{{R_i}}}{{{R_i} + {R_f}}} = \frac{1}{{9 + 1}} = 0.1\) \({A_{CL}} = \frac{{\frac{{{{10}^4}}}{{1 + {{10}^{ - 3}}s}}}}{{1 + \frac{{{{10}^4} \times 0.1}}{{1 + {{10}^{ - 3}}s}}}} = \frac{{{{10}^4}}}{{1 + {{10}^{ - 3}} + {{10}^3}}}\)\( = \frac{{10}}{{{{10}^{ - 3}} + {{10}^{ - 6}}s + 1}} = \frac{{10}}{{1 + \frac{s}{{{{10}^6}}}}}\)In a first order transfer function \(\frac{k}{{1 + s\tau }}\)The bandwidth of system is GIVEN by \(\frac{1}{\tau }\)B.W = 106

"> ACL\({A_{CL}} = \frac{{{A_{OL}}}}{{1 + {A_{OL}}\beta }}\)Here, \({A_{OL}} = \frac{{{{10}^4}}}{{1 + {{10}^{ - 3}}s}},\beta = \frac{{{R_i}}}{{{R_i} + {R_f}}} = \frac{1}{{9 + 1}} = 0.1\) \({A_{CL}} = \frac{{\frac{{{{10}^4}}}{{1 + {{10}^{ - 3}}s}}}}{{1 + \frac{{{{10}^4} \times 0.1}}{{1 + {{10}^{ - 3}}s}}}} = \frac{{{{10}^4}}}{{1 + {{10}^{ - 3}} + {{10}^3}}}\)\( = \frac{{10}}{{{{10}^{ - 3}} + {{10}^{ - 6}}s + 1}} = \frac{{10}}{{1 + \frac{s}{{{{10}^6}}}}}\)In a first order transfer function \(\frac{k}{{1 + s\tau }}\)The bandwidth of system is GIVEN by \(\frac{1}{\tau }\)B.W = 106

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An opamp has ideal characteristics except that its open loop gain is given by the expression AV(s) = 104 / (1 + 10–3s). This op-amp is used in the circuit shown in the figure. The 3-dB bandwidth of the circuit, in rad/s, is

Electronics & Communication Engineering Op-Amp And Its Applications in Electronics & Communication Engineering . 7 months ago

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Closed loop transfer function ACL\({A_{CL}} = \frac{{{A_{OL}}}}{{1 + {A_{OL}}\beta }}\)Here, \({A_{OL}} = \frac{{{{10}^4}}}{{1 + {{10}^{ - 3}}s}},\beta = \frac{{{R_i}}}{{{R_i} + {R_f}}} = \frac{1}{{9 + 1}} = 0.1\) \({A_{CL}} = \frac{{\frac{{{{10}^4}}}{{1 + {{10}^{ - 3}}s}}}}{{1 + \frac{{{{10}^4} \times 0.1}}{{1 + {{10}^{ - 3}}s}}}} = \frac{{{{10}^4}}}{{1 + {{10}^{ - 3}} + {{10}^3}}}\)\( = \frac{{10}}{{{{10}^{ - 3}} + {{10}^{ - 6}}s + 1}} = \frac{{10}}{{1 + \frac{s}{{{{10}^6}}}}}\)In a first order transfer function \(\frac{k}{{1 + s\tau }}\)The bandwidth of system is GIVEN by \(\frac{1}{\tau }\)B.W = 106

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Posted on 17 Nov 2024, this text provides information on Electronics & Communication Engineering related to Op-Amp And Its Applications in Electronics & Communication Engineering. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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