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Diffstat (limited to 'sample_notebooks/S PRASHANTHS PRASHANTH/Untitled.ipynb')
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1 files changed, 464 insertions, 0 deletions
diff --git a/sample_notebooks/S PRASHANTHS PRASHANTH/Untitled.ipynb b/sample_notebooks/S PRASHANTHS PRASHANTH/Untitled.ipynb new file mode 100755 index 00000000..8d7fb2e1 --- /dev/null +++ b/sample_notebooks/S PRASHANTHS PRASHANTH/Untitled.ipynb @@ -0,0 +1,464 @@ +{
+ "cells": [
+ {
+ "cell_type": "code",
+ "execution_count": 23,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "adm= -1482\n",
+ "acm= -1\n",
+ "cmrr= 76.4838188131 db\n"
+ ]
+ }
+ ],
+ "source": [
+ "#problem 1 page 1.81\n",
+ "#given\n",
+ "rc=50000;\n",
+ "re=100000;\n",
+ "rs=10000;\n",
+ "rp=50000;\n",
+ "beta0=2000;\n",
+ "r0=400000;\n",
+ "#determine adm,acm,cmrr\n",
+ "rc1=(rc*r0)/(rc+r0);\n",
+ "print 'adm=',(-(beta0*rc1)/(rs+rp))\n",
+ "print 'acm=',(-(beta0*rc1)/(rs+rp+2*re*(beta0+1)))\n",
+ "import math\n",
+ "print 'cmrr=',20*(math.log10((1+((2*re*(beta0+1))/(rs+rp))))),'db'\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 28,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "maximum peak amplitude at 100khz 3.1847133758 V\n"
+ ]
+ }
+ ],
+ "source": [
+ "#problem 2 page 1.83\n",
+ "#given\n",
+ "sr=0.000001;#volt/sec\n",
+ "freq=100000;\n",
+ "vsat=12;\n",
+ "baw=100000;\n",
+ "#determine vx\n",
+ "print 'maximum peak amplitude at 100khz',2*(1/(sr*2*3.14*freq)),'V'\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 31,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "slew rate= 5 volt/μsec\n"
+ ]
+ }
+ ],
+ "source": [
+ "#problem 3 page 1.84\n",
+ "#given\n",
+ "V=20;\n",
+ "t=4;\n",
+ "#determine slew rate\n",
+ "print'slew rate=',V/t,'volt/μsec'\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 35,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "max frequency of input is 79617.8343949 hz\n"
+ ]
+ }
+ ],
+ "source": [
+ "#problem 4 page 1.84\n",
+ "#given\n",
+ "a=50;\n",
+ "vi=20e-3;\n",
+ "sr=0.5e6;\n",
+ "#determine max frequency\n",
+ "vm=a*vi;\n",
+ "print 'max frequency of input is ',sr/(2*3.14*vm),'hz'\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 36,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "max peak to peak input signal 0.398089171975 V\n"
+ ]
+ }
+ ],
+ "source": [
+ "#problem 5 page 1.84\n",
+ "#given\n",
+ "sr=0.5e6;\n",
+ "freq=40e3;\n",
+ "a=10;\n",
+ "#determine max peak to peak input signal\n",
+ "vm=sr/(2*3.14*freq);\n",
+ "vm=2*vm;\n",
+ "print'max peak to peak input signal ',vm/a,'V'\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 40,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "noise 0.0063247 V\n"
+ ]
+ }
+ ],
+ "source": [
+ "#problem 6 page 1.85\n",
+ "#given\n",
+ "adm=400;\n",
+ "cmrr=50;\n",
+ "vin1=50e-3;\n",
+ "vin2=60e-3;\n",
+ "vnoise=5e-3;\n",
+ "v0=(vin2-vin1)*adm;\n",
+ "acm=adm/316.22;\n",
+ "print'noise ',round(vnoise*acm,7),'V'\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 62,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ " time to change from 0 t0 15 4e-07 sec\n",
+ "slew rate 1.5 volt/μsec\n"
+ ]
+ }
+ ],
+ "source": [
+ "#problem 7 page 1.86\n",
+ "#given\n",
+ "sr=35e6;#volt/sec\n",
+ "vsat=15;#volt\n",
+ "#determine time to change from 0 to 15V\n",
+ "print 'time to change from 0 t0 15 ',round(vsat/sr,7),'sec'\n",
+ "c=100e-12;#farad\n",
+ "i=150e-6;#A\n",
+ "print'slew rate',(i/c)/1000000,'volt/μsec'\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 63,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "bandwidth 21231.4225053 hz\n"
+ ]
+ }
+ ],
+ "source": [
+ "#problem 8 page 1.86\n",
+ "#given\n",
+ "sr=2e6;#v/sec\n",
+ "vsat=15;#volt\n",
+ "#determine bandwidth \n",
+ "print'bandwidth ',sr/(2*3.14*vsat),'hz'\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 70,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "output offset 3.0 V\n"
+ ]
+ }
+ ],
+ "source": [
+ "#problem 9 page 1.87\n",
+ "#given\n",
+ "iin=30e-9;#A\n",
+ "a=1e5;\n",
+ "rin=1000;#ohm\n",
+ "#determine output offset voltage\n",
+ "vid=iin*rin;\n",
+ "print'output offset ',a*vid,'V'\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 73,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "input offset current 4e-06 A\n",
+ "input base current 2.4e-05 A\n"
+ ]
+ }
+ ],
+ "source": [
+ "#problem 10 page 1.86\n",
+ "#given\n",
+ "inb1=22e-6;#A\n",
+ "inb2=26e-6;#A\n",
+ "#determine input offset current input base current\n",
+ "print'input offset current ',inb2-inb1,'A'\n",
+ "print'input base current ',(inb2+inb1)/2,'A'\n",
+ "\n",
+ "\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 74,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "input base current 8e-08 A\n",
+ "input offset current 2e-08 A\n",
+ "input offset 2.0 V\n"
+ ]
+ }
+ ],
+ "source": [
+ "#problem 11 page 1.86\n",
+ "#given\n",
+ "inb2=90e-9;#A\n",
+ "inb1=70e-9;#A\n",
+ "a=1e5;\n",
+ "#determine input offset current\n",
+ "print'input base current ',(inb2+inb1)/2,'A'\n",
+ "print'input offset current ',inb2-inb1,'A'\n",
+ "print'input offset ',((inb2-inb1)*1000)*a,'V'\n",
+ "\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 23,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "output voltage cmrr 100 0.05125 V\n",
+ "output voltage cmrr 200 0.050625 V\n",
+ "output voltage cmrr 450 0.0502777777778 V\n",
+ "output voltage cmrr 105 0.0511904761905 V\n"
+ ]
+ }
+ ],
+ "source": [
+ "#problem 12 page 1.88\n",
+ "#given\n",
+ "vin1=150e-6;#volt\n",
+ "vin2=100e-6;#volt\n",
+ "a=1000;\n",
+ "from array import *\n",
+ "cmrr=array('i',[100,200,450,105])\n",
+ "#determine output voltage\n",
+ "vc=(vin1+vin2)/2;\n",
+ "vd=(vin1-vin2);\n",
+ "j=0;\n",
+ "while j<=3 : print 'output voltage cmrr ',cmrr[j],' ',(a*vd*(1+(vc/(cmrr[j]*vd)))),'V';j=j+1;\n",
+ "\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 30,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "output voltage 0.00316455696203 V\n"
+ ]
+ }
+ ],
+ "source": [
+ "#problem 13 page 1.87\n",
+ "#given\n",
+ "rin=100e3;#ohm\n",
+ "rf1=900e3;#ohm\n",
+ "vc=1;#volt\n",
+ "cmrr=70;\n",
+ "#determine the output voltage\n",
+ "print 'output voltage ',(1+(rf1/rin))*vc/3160,'V'\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 32,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "input voltage 0.0796178343949 V\n"
+ ]
+ }
+ ],
+ "source": [
+ "#problem 14 page 1.89\n",
+ "#given\n",
+ "sr=0.5e6;#volt/sec\n",
+ "a=50;\n",
+ "freq=20e3;#hz\n",
+ "#determine max peak to peak voltage\n",
+ "print'input voltage ',sr/(2*3.14*freq*a),'V'\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 33,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "max frequency 265392.781316 hz\n"
+ ]
+ }
+ ],
+ "source": [
+ "#problem 15 page 1.90\n",
+ "#given\n",
+ "sr=50e6;#volt/sec\n",
+ "rin=2;\n",
+ "vimax=10;\n",
+ "#determine max frequency\n",
+ "vm=vimax*(1+rin);\n",
+ "print 'max frequency ',sr/(2*3.14*vm),'hz'\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+ "source": []
+ },
+ {
+ "cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+ "source": []
+ },
+ {
+ "cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+ "source": []
+ }
+ ],
+ "metadata": {
+ "kernelspec": {
+ "display_name": "Python 2",
+ "language": "python",
+ "name": "python2"
+ },
+ "language_info": {
+ "codemirror_mode": {
+ "name": "ipython",
+ "version": 2
+ },
+ "file_extension": ".py",
+ "mimetype": "text/x-python",
+ "name": "python",
+ "nbconvert_exporter": "python",
+ "pygments_lexer": "ipython2",
+ "version": "2.7.10"
+ }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}
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