{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 1: Circuit Configuration for Linear Integrated Ciruits"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###Example 1 Page No:1.81"
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"adm= -1482.0\n",
"acm= -1.0\n",
"cmrr= 76.4838188131 db\n"
]
}
],
"source": [
"#given\n",
"rc=50000;#ohm\n",
"re=100000;#ohm\n",
"rs=10000;#ohm\n",
"rp=50000;#ohm\n",
"beta0=2000;\n",
"r0=400000;#ohm\n",
"\n",
"\n",
"\n",
"#determine adm,acm,cmrr\n",
"#calculation\n",
"rc1=(rc*r0)/(rc+r0);\n",
"adm=(-(beta0*rc1)/(rs+rp))#differential mode gain\n",
"acm=(-(beta0*rc1)/(rs+rp+2*re*(beta0+1)))#common mode gain\n",
"import math\n",
"cmrr=20*(math.log10((1+((2*re*(beta0+1))/(rs+rp)))))#common mode rejection ratio\n",
"\n",
"#result\n",
"print 'adm=',round(adm,3);\n",
"print 'acm=',round(acm,3);\n",
"print 'cmrr=',cmrr,'db'\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###Example 2 Page No:1.83"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"maximum peak amplitude at 100khz 3.185 V\n"
]
}
],
"source": [
"#given\n",
"sr=0.000001;#volt/sec\n",
"freq=100000;\n",
"vsat=12;\n",
"baw=100000;\n",
"#determine vx\n",
"\n",
"#calculation\n",
"vx=2*(1/(sr*2*3.14*freq))\n",
"\n",
"#result\n",
"print 'maximum peak amplitude at 100khz',round(vx,3),'V'\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###Example 3 Page No: 1.84"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"slew rate= 5 volt/μsec\n"
]
}
],
"source": [
"#given\n",
"V=20;\n",
"t=4;\n",
"#determine slew rate\n",
"#calculation\n",
"w=V/t\n",
"#result\n",
"print'slew rate=',w,'volt/μsec'\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###Example 4 Page No: 1.84"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"max frequency of input is 79617.8343949 hz\n"
]
}
],
"source": [
"#given\n",
"a=50;\n",
"vi=20e-3;\n",
"sr=0.5e6;\n",
"#determine max frequency\n",
"#calculation\n",
"vm=a*vi;\n",
"freq=sr/(2*3.14*vm)\n",
"#result\n",
"print 'max frequency of input is ',freq,'hz'\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###Example 5 Page No: 1.84"
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"max peak to peak input signal 0.398089171975 V\n"
]
}
],
"source": [
"#given\n",
"sr=0.5e6;\n",
"freq=40e3;\n",
"a=10;\n",
"#determine max peak to peak input signal\n",
"#calculation\n",
"vm=sr/(2*3.14*freq);\n",
"vm=2*vm;\n",
"v1=vm/a\n",
"#result\n",
"print'max peak to peak input signal ',v1,'V'\n"
]
},
{
"cell_type": "markdown",
"metadata": {
"collapsed": true
},
"source": [
"###Example 6 Page No: 1.85"
]
},
{
"cell_type": "code",
"execution_count": 12,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"noise 0.0063247 V\n"
]
}
],
"source": [
"#given\n",
"adm=400;\n",
"cmrr=50;\n",
"vin1=50e-3;\n",
"vin2=60e-3;\n",
"vnoise=5e-3;\n",
"#calculation\n",
"v0=(vin2-vin1)*adm;\n",
"acm=adm/316.22;\n",
"v1=vnoise*acm\n",
"print'noise ',round(v1,7),'V'\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###Example 7 Page No: 1.86"
]
},
{
"cell_type": "code",
"execution_count": 13,
"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": [
"#given\n",
"sr=35e6;#volt/sec\n",
"vsat=15;#volt\n",
"#determine time to change from 0 to 15V\n",
"#calculation\n",
"c=100e-12;#farad\n",
"i=150e-6;#A\n",
"w=vsat/sr\n",
"w1=i/c;\n",
"#result\n",
"print'time to change from 0 t0 15 ',round(w,7),'sec'\n",
"print'slew rate',w1/1000000,'volt/μsec'\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###Example 8 Page No: 1.86"
]
},
{
"cell_type": "code",
"execution_count": 14,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"bandwidth 21231.4225053 hz\n"
]
}
],
"source": [
"#given\n",
"sr=2e6;#v/sec\n",
"vsat=15;#volt\n",
"#determine bandwidth \n",
"#calculation\n",
"\n",
"bw=sr/(2*3.14*vsat)\n",
"#result\n",
"print'bandwidth ',bw,'hz'\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###Example 9 Page No: 1.87"
]
},
{
"cell_type": "code",
"execution_count": 15,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"output offset 3.0 V\n"
]
}
],
"source": [
"#given\n",
"iin=30e-9;#A\n",
"a=1e5;\n",
"rin=1000;#ohm\n",
"#determine output offset voltage\n",
"#calculation\n",
"vid=iin*rin;\n",
"v0=a*vid\n",
"#result\n",
"print'output offset ',v0,'V'\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###Example 10 Page No: 1.86"
]
},
{
"cell_type": "code",
"execution_count": 16,
"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": [
"#given\n",
"inb1=22e-6;#A\n",
"inb2=26e-6;#A\n",
"#determine input offset current input base current\n",
"#calculation\n",
"i1=inb2-inb1\n",
"i2=(inb2+inb1)/2\n",
"#result\n",
"print'input offset current ',i1,'A'\n",
"print'input base current ',i2,'A'\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###Example 11 Page No: 1.86"
]
},
{
"cell_type": "code",
"execution_count": 17,
"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": [
"#given\n",
"inb2=90e-9;#A\n",
"inb1=70e-9;#A\n",
"a=1e5;\n",
"#determine input offset current\n",
"#calculation\n",
"i1=(inb2+inb1)/2\n",
"i2=inb2-inb1\n",
"v1=((inb2-inb1)*1000)*a\n",
"print'input base current ',i1,'A'\n",
"print'input offset current ',i2,'A'\n",
"print'input offset ',v1,'V'\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###Example 12 Page No: 1.88"
]
},
{
"cell_type": "code",
"execution_count": 19,
"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": [
"#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",
"#calculation\n",
"vc=(vin1+vin2)/2;\n",
"vd=(vin1-vin2);\n",
"j=0;\n",
"while j<=3 :v0=(a*vd*(1+(vc/(cmrr[j]*vd)))) ;print 'output voltage cmrr ',cmrr[j],' ',v0,'V';j=j+1;\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###Example 13 Page No: 1.87"
]
},
{
"cell_type": "code",
"execution_count": 20,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"output voltage 0.00316455696203 V\n"
]
}
],
"source": [
"#given\n",
"rin=100e3;#ohm\n",
"rf1=900e3;#ohm\n",
"vc=1;#volt\n",
"cmrr=70;\n",
"#determine the output voltage\n",
"#calculation\n",
"v0=(1+(rf1/rin))*vc/3160\n",
"print 'output voltage ',v0,'V'\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###Example 14 Page No: 1.89"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"input voltage 0.08 V\n"
]
}
],
"source": [
"#given\n",
"sr=0.5e6;#volt/sec\n",
"a=50;\n",
"freq=20e3;#hz\n",
"#determine max peak to peak voltage\n",
"#calculation\n",
"v1=sr/(2*3.14*freq*a)\n",
"print'input voltage ',round(v1,3),'V'\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###Example 15 Page No: 1.90"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"max frequency 26.5392781316 Khz\n"
]
}
],
"source": [
"#given\n",
"sr=50e6;#volt/sec\n",
"rin=2;\n",
"vimax=10;\n",
"#determine max frequency\n",
"#calculation\n",
"vm=vimax*(1+rin);\n",
"freq=sr/(2*3.14*vm)/10e3;\n",
"print 'max frequency ',freq,'Khz'\n"
]
},
{
"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
}