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diff --git a/Electronic_Principles_/Chapter_21_New.ipynb b/Electronic_Principles_/Chapter_21_New.ipynb deleted file mode 100644 index 93fb24ec..00000000 --- a/Electronic_Principles_/Chapter_21_New.ipynb +++ /dev/null @@ -1,620 +0,0 @@ -{
- "metadata": {
- "name": ""
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "CHAPTER 21 ACTIVE FILTERS"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 21-1, Page 806"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "import math\n",
- "\n",
- "Rf=39.0 #feedback path resistance Rf (KOhm)\n",
- "R1=1.0 #inverting input resistance R1(KOhm)\n",
- "R2=12.0*10**3 #non-inverting input resistance R2(Ohm)\n",
- "C=680*10**-12 #capacitance at non-inverting input(F)\n",
- "\n",
- "Av=(Rf/R1)+1 # voltage gain\n",
- "fc=(2*math.pi*R2*C)**-1 #cutoff frequency(Hz)\n",
- "\n",
- "print 'voltage gain Av = ',Av\n",
- "print 'cutoff frequency fc = ',round((fc/1000),2),'KHz'\n",
- "print 'frequency response:'\n",
- "print 'voltage gain is 32 dB in pass band. response breaks at 19.5 KHz.'"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "voltage gain Av = 40.0\n",
- "cutoff frequency fc = 19.5 KHz\n",
- "frequency response:\n",
- "voltage gain is 32 dB in pass band. response breaks at 19.5 KHz.\n"
- ]
- }
- ],
- "prompt_number": 18
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 21-2, Page 807"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "\n",
- "Rf=43.0 #feedback path resistance Rf (KOhm)\n",
- "R1=0.220 #non-inverting input resistance R1(KOhm)\n",
- "C=100*10**-12 #capacitance (F)\n",
- "\n",
- "Av=(-Rf/R1) # voltage gain\n",
- "fc=((2*math.pi*Rf*C)**-1)/10**6 #cutoff frequency(KHz)\n",
- "\n",
- "print 'voltage gain Av = ',round(Av,2)\n",
- "print 'cutoff frequency fc = ',round(fc,2),'KHz'\n",
- "print 'voltage gain is 45.8 dB in pass band. response breaks at 37 KHz.'"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "voltage gain Av = -195.45\n",
- "cutoff frequency fc = 37.01 KHz\n",
- "voltage gain is 45.8 dB in pass band. response breaks at 37 KHz.\n"
- ]
- }
- ],
- "prompt_number": 2
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 21-3, Page 811"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "\n",
- "R1=30 #non-inverting input resistance R1(KOhm)\n",
- "R2=30 #non-inverting input resistance R2(KOhm)\n",
- "C2=1.64*10**-9 #feedback path capacitance (F)\n",
- "C1=820*10**-12 #non-inverting input capacitance (F)\n",
- "\n",
- "Q=0.5*((C2/C1)**0.5) #Q\n",
- "fp=((2*math.pi*R1*(C1*C2)**0.5)**-1)/10**6 #pole frequency(KHz)\n",
- "fc=fp #cutoff frequency(KHz)\n",
- "\n",
- "print ' Q = ',round(Q,3)\n",
- "print 'pole frequency fp = ',round(fp,2),'KHz'\n",
- "print 'cutoff frequency fc = fp, ',round(fc,2),'KHz'"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- " Q = 0.707\n",
- "pole frequency fp = 4.57 KHz\n",
- "cutoff frequency fc = fp, 4.57 KHz\n"
- ]
- }
- ],
- "prompt_number": 4
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 21-4, Page 811"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "\n",
- "R1=51 #non-inverting input resistance R1(KOhm)\n",
- "R2=51 #non-inverting input resistance R2(KOhm)\n",
- "C2=440*10**-12 #feedback path capacitance (F)\n",
- "C1=330*10**-12 #non-inverting input capacitance (F)\n",
- "kc=0.786 #constant for bessel response \n",
- "\n",
- "Q=0.5*((C2/C1)**0.5) #Q\n",
- "fp=((2*math.pi*R1*(C1*C2)**0.5)**-1)/10**6 #pole frequency(KHz)\n",
- "fc=kc*fp #cutoff frequency(KHz) \n",
- "\n",
- "print ' Q = ',round(Q,2)\n",
- "print 'pole frequency fp = ',round(fp,2),'KHz'\n",
- "print 'cutoff frequency fc = ',round(fc,2),'KHz'"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- " Q = 0.58\n",
- "pole frequency fp = 8.19 KHz\n",
- "cutoff frequency fc = 6.44 KHz\n"
- ]
- }
- ],
- "prompt_number": 5
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 21-5, Page 812"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "import math\n",
- "\n",
- "R1=22 #non-inverting input resistance R1(KOhm)\n",
- "R2=22 #non-inverting input resistance R2(KOhm)\n",
- "C2=27*10**-9 #feedback path capacitance (F)\n",
- "C1=390*10**-12 #non-inverting input capacitance (F)\n",
- "kc=1.38 #constant for bessel response \n",
- "k0=0.99 #constant for bessel response\n",
- "k3=1.54 #constant for bessel response\n",
- "\n",
- "Q=0.5*((C2/C1)**0.5) #Q\n",
- "fp=((2*math.pi*R1*(C1*C2)**0.5)**-1)/10**6 #pole frequency(KHz)\n",
- "fc=kc*fp #cutoff frequency(KHz) \n",
- "f3=k3*fp #3-dB frequency(KHz)\n",
- "\n",
- "print 'Q = ',round(Q,2)\n",
- "print 'pole frequency fp = ',round(fp,2),'KHz'\n",
- "print 'cutoff frequency fc = ',round(fc,2),'KHz'\n",
- "print '3-dB frequency f(3dB) = ',round(f3,2),'KHz'"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Q = 4.16\n",
- "pole frequency fp = 2.23 KHz\n",
- "cutoff frequency fc = 3.08 KHz\n",
- "3-dB frequency f(3dB) = 3.43 KHz\n"
- ]
- }
- ],
- "prompt_number": 6
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 21-6, Page 817"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "\n",
- "R1=47 #non-inverting input resistance R1(KOhm)\n",
- "R2=47 #non-inverting input resistance R2(KOhm)\n",
- "C2=330*10**-12 #feedback path capacitance (F)\n",
- "C1=330*10**-12 #non-inverting input capacitance (F)\n",
- "R3=51 #inverting input resistance R3(KOhm)\n",
- "Rf=30.0 #feedback path resistance Rf (KOhm)\n",
- "\n",
- "Av=(Rf/R3)+1 #voltage gain \n",
- "Q=(3-Av)**-1 #Q\n",
- "fp=((2*math.pi*R1*(C1*C2)**0.5)**-1)/10**6 #pole frequency(KHz)\n",
- "fc=fp #cutoff frequency(KHz) \n",
- "\n",
- "print ' Q = ',round(Q,2)\n",
- "print 'pole frequency fp = ',round(fp,2),'KHz'\n",
- "print 'cutoff frequency fc = ',round(fc,2),'KHz'"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- " Q = 0.71\n",
- "pole frequency fp = 10.26 KHz\n",
- "cutoff frequency fc = 10.26 KHz\n"
- ]
- }
- ],
- "prompt_number": 7
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 21-7, Page 817"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "\n",
- "R1=82 #non-inverting input resistance R1(KOhm)\n",
- "R2=82 #non-inverting input resistance R2(KOhm)\n",
- "C2=100*10**-12 #feedback path capacitance (F)\n",
- "C1=100*10**-12 #non-inverting input capacitance (F)\n",
- "R3=56 #inverting input resistance R3(KOhm)\n",
- "Rf=15.0 #feedback path resistance Rf (KOhm)\n",
- "kc=0.786 #constant for bessel response \n",
- "\n",
- "Av=(Rf/R3)+1 #voltage gain \n",
- "Q=(3-Av)**-1 #Q\n",
- "fp=((2*math.pi*R1*(C1*C2)**0.5)**-1)/10**6 #pole frequency(KHz)\n",
- "fc=kc*fp #cutoff frequency(KHz) \n",
- "\n",
- "print 'Q = ',round(Q,2)\n",
- "print 'pole frequency fp = ',round(fp,2),'KHz'\n",
- "print 'cutoff frequency fc = ',round(fc,2),'KHz'"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Q = 0.58\n",
- "pole frequency fp = 19.41 KHz\n",
- "cutoff frequency fc = 15.26 KHz\n"
- ]
- }
- ],
- "prompt_number": 8
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 21-8, Page 818"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "\n",
- "R1=56 #non-inverting input resistance R1(KOhm)\n",
- "R2=56 #non-inverting input resistance R2(KOhm)\n",
- "C2=220*10**-12 #feedback path capacitance (F)\n",
- "C1=220*10**-12 #non-inverting input capacitance (F)\n",
- "R3=20.0 #inverting input resistance R3(KOhm)\n",
- "Rf=39.0 #feedback path resistance Rf (KOhm)\n",
- "kc=1.414 #constant for bessel response \n",
- "k0=1.0 #constant for bessel response\n",
- "k3=1.55 #constant for bessel response\n",
- "\n",
- "Av=(Rf/R3)+1 #voltage gain \n",
- "Q=(3-Av)**-1 #Q\n",
- "fp=((2*math.pi*R1*(C1*C2)**0.5)**-1)/10**6 #pole frequency(KHz)\n",
- "fc=kc*fp #cutoff frequency(KHz) \n",
- "f0=k0*fp #resosnant frequency(KHz)\n",
- "f3=k3*fp #3-dB frequency (KHz)\n",
- "Av1=((1.01*Rf)/(0.99*R3))+1 #voltage gain considering 1% tolerance \n",
- "Q1=(3-Av1)**-1 #Q\n",
- "\n",
- "print 'Q = ',Q\n",
- "print 'pole frequency fp = ',round(fp,2),'KHz'\n",
- "print 'cutoff frequency fc = ',round(fc,2),'KHz'\n",
- "print 'resonant frequency f0 = ',round(f0,2),'KHz'\n",
- "print '3-dB frequency f(3-dB) = ',round(f3,2),'KHz'\n",
- "print 'circuit produces 26-dB peak in response at 12.9 KHz, rolls off to 0 dB at cutoff and 3 dB down at 20 KHz'\n",
- "print 'after considering tolerance in resistance, Q changed to',Q1,'approximately'"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Q = 20.0\n",
- "pole frequency fp = 12.92 KHz\n",
- "cutoff frequency fc = 18.27 KHz\n",
- "resonant frequency f0 = 12.92 KHz\n",
- "3-dB frequency f(3-dB) = 20.02 KHz\n",
- "circuit produces 26-dB peak in response at 12.9 KHz, rolls off to 0 dB at cutoff and 3 dB down at 20 KHz\n",
- "after considering tolerance in resistance, Q changed to 94.2857142857 approximately\n"
- ]
- }
- ],
- "prompt_number": 17
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 21-9, Page 820"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "import math\n",
- "\n",
- "R1=24 #non-inverting input resistance R1(KOhm)\n",
- "R2=12 #feedback path resistance R2(KOhm)\n",
- "C=4.7*10**-9 #non-inverting input capacitance (F)\n",
- "\n",
- "Q=0.5*((R1/R2)**0.5) #Q\n",
- "fp=((2*math.pi*C*(R1*R2)**0.5)**-1)/10**6 #pole frequency(KHz)\n",
- "fc=fp #cutoff frequency(KHz) \n",
- "\n",
- "print 'Q = ',round(Q,2)\n",
- "print 'pole frequency fp = ',math.ceil(fp),'KHz'\n",
- "print 'cutoff frequency fc = ',math.ceil(fc),'KHz'"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Q = 0.71\n",
- "pole frequency fp = 2.0 KHz\n",
- "cutoff frequency fc = 2.0 KHz\n"
- ]
- }
- ],
- "prompt_number": 10
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 21-10, Page 821"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "\n",
- "R1=30 #non-inverting input resistance R1(KOhm)\n",
- "R2=30 #feedback path resistance R2(KOhm)\n",
- "C=1*10**-9 #non-inverting input capacitance (F)\n",
- "R3=10.0 #inverting input resistance R3(KOhm)\n",
- "Rf=15.0 #feedback path resistance Rf (KOhm)\n",
- "kc=1.32 #constant for bessel response \n",
- "k0=0.94 #constant for bessel response\n",
- "k3=1.48 #constant for bessel response\n",
- "\n",
- "Av=(Rf/R3)+1 #voltage gain \n",
- "Q=(3-Av)**-1 #Q\n",
- "fp=((2*math.pi*R1*C)**-1)/10**6 #pole frequency(KHz)\n",
- "fc=fp/kc #cutoff frequency(KHz) \n",
- "f0=fp/k0 #resosnant frequency(KHz)\n",
- "f3=fp/k3 #3-dB frequency (KHz)\n",
- "\n",
- "print 'Q = ',Q\n",
- "print 'pole frequency fp = ',round(fp,2),'KHz'\n",
- "print 'cutoff frequency fc = ',round(fc,2),'KHz'\n",
- "print 'resonant frequency f0 = ',round(f0,2),'KHz'\n",
- "print '3-dB frequency f(3-dB) = ',round(f3,2),'KHz'\n",
- "print 'circuit produces 6.3-dB peak in response at 5.65 KHz, rolls off to 0 dB at cutoff at 4.02 KHz and 3 dB down at 3.59 KHz'"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Q = 2.0\n",
- "pole frequency fp = 5.31 KHz\n",
- "cutoff frequency fc = 4.02 KHz\n",
- "resonant frequency f0 = 5.64 KHz\n",
- "3-dB frequency f(3-dB) = 3.58 KHz\n",
- "circuit produces 6.3-dB peak in response at 5.65 KHz, rolls off to 0 dB at cutoff at 4.02 KHz and 3 dB down at 3.59 KHz\n"
- ]
- }
- ],
- "prompt_number": 16
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 21-11, Page 825"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "\n",
- "R1=18 #non-inverting input resistance R1(KOhm)\n",
- "R2=30 #feedback path resistance R2(KOhm)\n",
- "C=8.2*10**-9 #non-inverting input capacitance (F)\n",
- "R31=0.080 #inverting max input resistance R3(KOhm)\n",
- "R32=0.015 #inverting min input resistance R3(KOhm)\n",
- "\n",
- "BW=((2*math.pi*R1*C)**-1)/10**6 #bandwidth(KHz)\n",
- "f0=((2*math.pi*C*((2*R1*((R1**-1+R31**-1)**-1))**0.5))**-1)/10**6 #minimum center frequency(KHz)\n",
- "f01=((2*math.pi*C*((2*R1*((R1**-1+R32**-1)**-1))**0.5))**-1)/10**6 #minimum center frequency(KHz)\n",
- "\n",
- "print 'bandwidth BW = ',round(BW,2),'KHz'\n",
- "print 'minimum center frequency f0 = ',round(f0,2),'KHz'\n",
- "print 'maximum center frequency f0 = ',round(f01,2),'KHz'"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "bandwidth BW = 1.08 KHz\n",
- "minimum center frequency f0 = 11.46 KHz\n",
- "maximum center frequency f0 = 26.42 KHz\n"
- ]
- }
- ],
- "prompt_number": 15
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 21-12, Page 827"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "\n",
- "R=22.0 #non-inverting input resistance(KOhm)\n",
- "C=120*10**-9 #non-inverting input capacitance (F)\n",
- "R1=13.0 #inverting input resistance(KOhm)\n",
- "R2=10.0 #feedback path resistance(KOhm)\n",
- "\n",
- "Av=(R2/R1)+1 #voltage gain \n",
- "Q=0.5/(2-Av) #Q\n",
- "f0=((2*math.pi*R*C)**-1)/10**3 #center frequency(KHz)\n",
- "\n",
- "print 'voltage gain Av = ',round(Av,2)\n",
- "print 'Q = ',round(Q,2)\n",
- "print 'center frequency f0 = ',round(f0,2),'KHz'"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "voltage gain Av = 1.77\n",
- "Q = 2.17\n",
- "center frequency f0 = 60.29 KHz\n"
- ]
- }
- ],
- "prompt_number": 13
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 21-13, Page 833"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "import math\n",
- "\n",
- "R=1.0 #non-inverting input resistance(KOhm)\n",
- "C=100*10**-9 #non-inverting input capacitance (F)\n",
- "f=1.0 #frequency given(KHz)\n",
- "\n",
- "f0=((2*math.pi*R*C)**-1)/10**6 #center frequency(KHz)\n",
- "phi=(2*math.atan(f0/f))*180/math.pi #phase shift(deg)\n",
- "\n",
- "print 'center frequency f0 = ',round(f0,2),'KHz'\n",
- "print 'phase shift = ',math.ceil(phi),'degrees'"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "center frequency f0 = 1.59 KHz\n",
- "phase shift = 116.0 degrees\n"
- ]
- }
- ],
- "prompt_number": 14
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [],
- "language": "python",
- "metadata": {},
- "outputs": []
- }
- ],
- "metadata": {}
- }
- ]
-}
\ No newline at end of file |