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"cell_type": "heading",
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"source": [
"Chapter12:Filters and Tuned Amplifiers"
]
},
{
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"metadata": {},
"source": [
"Ex12.4:pg-1143"
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"input": [
"# Example 12.4 To design tuned amplifier\n",
"\n",
"cfg=-10; # Center frequency gain (V/V)\n",
"g_m=0.005; # (A/V)\n",
"r_o=10000; # (ohm)\n",
"f_o=1*10**6; # (Hz)\n",
"B=2*math.pi*10**4; # Bandwidth\n",
"R=-cfg/g_m;\n",
"R_L=R*r_o/(r_o-R);\n",
"print R_L/1000,\"= R_L (kohm)\"\n",
"C=1/(R*B)\n",
"print round(C*1e12),\"= C (picoF)\"\n",
"w_o=2*math.pi*f_o;\n",
"L=1/(w_o**2*C);\n",
"print round(L*1e6,2),\"= L (microH)\""
],
"language": "python",
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"output_type": "stream",
"stream": "stdout",
"text": [
"2.5 = R_L (kohm)\n",
"7958.0 = C (picoF)\n",
"3.18 = L (microH)\n"
]
}
],
"prompt_number": 8
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