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Explain CMRR IN AN OP-AMP
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</figure><p>Aim XX the circuit is to achieve the XXX XX v1,XX,XX in amplified XXXX at XXXXXX terminal.</p><p>Now as XXX Op-XXX XXX a very XXXXX input impedance, XXXXX will no current XXXXX into XXX Op-amp.</p><p>XXXXXXXXX, i = XX+i2+i3 is what XXXXXXX at the XXXXXX side. XXXX there is a virtual XXXXX between the points X and B, there XXX voltage XX these XXX nodes will be equal. B point is XX XXXXXX XXXXX XXX point X will XXXX be XX 0 XXXXX. XXXXXXXXXXX these XXXX XXXX into XXXXXXXX.<XX></p><figure><XXX XXX="https://schoolsolver.s3.amazonaws.com/media/XXXXXXXXXXX/370WhatsAppImage20200630at9.XX.XXXX.XXXX" XXXX-XX="XXXXX://XXXXXXXXXXXX.s3.XXXXXXXXX.com/media/attachments/370WhatsAppImage20200630at9.52.XXXX.jpeg"></XXXXXX><p>XXXXXXXX XXX currents XX input and XXXXXX XXXX,</p><figure><img src="https://schoolsolver.s3.amazonaws.com/XXXXX/XXXXXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXXXXX.XX.55AM.jpeg" data-s3="https://schoolsolver.XX.amazonaws.com/XXXXX/attachments/XXXXXXXXXXXXXXXXXXXXXXXXXXX.XX.XXXX.XXXX"></XXXXXX><p>To achieve summing we XXXX be setting,</p><XXXXXX><img src="XXXXX://schoolsolver.XX.XXXXXXXXX.com/XXXXX/attachments/XXXXXXXXXXXXXXXXXXXXXXXXXXXX.XX.XXXX.jpeg" XXXX-XX="XXXXX://XXXXXXXXXXXX.s3.XXXXXXXXX.XXX/XXXXX/XXXXXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXXXXXX.XX.XXXX.jpeg"></XXXXXX><p>Then the XXXXXX XXXX be,</p><figure><img XXX="XXXXX://schoolsolver.XX.XXXXXXXXX.XXX/media/attachments/590WhatsAppImage20200630at9.53.XXXX.XXXX" data-XX="XXXXX://XXXXXXXXXXXX.s3.amazonaws.com/media/attachments/XXXXXXXXXXXXXXXXXXXXXXXXXXX.53.28AM.jpeg"></XXXXXX><p><br></p><p><br></p><p>XXX let's XXXX XXXX XXX XXXXXXXXXXXX amplifier XXXXXXX.</p><p>XXX circuit XXXXX like,</p><XXXXXX><img src="XXXXX://XXXXXXXXXXXX.s3.amazonaws.com/media/XXXXXXXXXXX/074WhatsAppImage20200630at9.XX.XXXX.jpeg" XXXX-XX="XXXXX://XXXXXXXXXXXX.XX.XXXXXXXXX.XXX/XXXXX/attachments/XXXXXXXXXXXXXXXXXXXXXXXXXXX.53.47AM.XXXX"></XXXXXX><p>XXXX XXXXXXX rule XXXXXXX XXX XXX XXXXXXX short XXXXX XXXXXXX XX point A (VA) XXXX be XXXXX to voltage at XXXXX X(VB).</p><p>XXX hold on! what's VB XXXXXX be?</p><p>XX XX w XXX XXXXXXX XXXX XXXXXX R3 resistor, XXXXX is,</p><XXXXXX><XXX XXX="XXXXX://schoolsolver.XX.XXXXXXXXX.XXX/media/attachments/164WhatsAppImage20200630at9.54.00AM.jpeg" data-XX="https://schoolsolver.XX.amazonaws.com/media/XXXXXXXXXXX/164WhatsAppImage20200630at9.XX.XXXX.jpeg"></figure><p>XXX's XXX into current XXXXXXXX,</p><p>XXX XXXXXXX XX XX XXXX XX XXXX XXXXXXX XX the XXXXXX XXXX XXXXXXX of hing input XXXXXXXXX XX XXX XX-XXX, <br></p><p>XXXXXXXX XXX current of XXXXX and XXXXXX XXXX,<XX></p><figure><XXX XXX="https://XXXXXXXXXXXX.s3.amazonaws.com/XXXXX/XXXXXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXXXXX.54.18AM.XXXX" data-s3="https://schoolsolver.XX.XXXXXXXXX.com/media/attachments/851WhatsAppImage20200630at9.XX.XXXX.jpeg"></figure><p>XXXXXXX XXXXXXXXXXXXX,</p><figure><img src="XXXXX://XXXXXXXXXXXX.s3.XXXXXXXXX.com/media/attachments/XXXXXXXXXXXXXXXXXXXXXXXXXXX.54.XXXX.jpeg" data-s3="https://XXXXXXXXXXXX.s3.XXXXXXXXX.com/media/XXXXXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXXXXX.XX.32AM.XXXX"></figure><p>XX, XXXXXX voltage becomes,</p><figure><XXX XXX="XXXXX://schoolsolver.s3.amazonaws.com/media/XXXXXXXXXXX/973WhatsAppImage20200630at9.XX.45AM.XXXX" XXXX-XX="XXXXX://schoolsolver.XX.amazonaws.com/XXXXX/XXXXXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXXXXX.54.XXXX.XXXX"></figure><p>XXX XX XXXXXXX XXX differential operation XX should XX XXX following,</p><figure><img XXX="https://XXXXXXXXXXXX.s3.XXXXXXXXX.com/media/XXXXXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXXXXX.54.XXXX.jpeg" data-XX="https://XXXXXXXXXXXX.s3.XXXXXXXXX.com/media/attachments/568WhatsAppImage20200630at9.XX.XXXX.jpeg"></figure><p>XXX XXX output becomes,</p><figure><XXX src="XXXXX://schoolsolver.s3.amazonaws.com/media/XXXXXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXXXXX.XX.XXXX.XXXX" XXXX-XX="XXXXX://schoolsolver.XX.XXXXXXXXX.XXX/XXXXX/XXXXXXXXXXX/026WhatsAppImage20200630at9.55.XXXX.jpeg"></figure><p>Differential operation XXXXXXXX!!</p><p><XX></p><p><br></p><p>XXX's move onto XXX XXXXXXX,</p><p>Looking XXX circuit, it's just a XXXXXXX amplifier and XX XXXX XXX the XXXXXXXX value given in XXX problem into the equation we XXX,</p><figure><XXX XXX="XXXXX://schoolsolver.s3.amazonaws.com/XXXXX/attachments/798WhatsAppImage20200630at10.XX.XXXX.jpeg" data-XX="XXXXX://schoolsolver.s3.XXXXXXXXX.com/media/XXXXXXXXXXX/798WhatsAppImage20200630at10.17.16AM.XXXX"></figure><p>XXXXX,</p><figure><XXX src="https://schoolsolver.s3.amazonaws.com/media/attachments/807WhatsAppImage20200630at10.18.38AM.XXXX" data-s3="https://schoolsolver.s3.amazonaws.com/media/XXXXXXXXXXX/807WhatsAppImage20200630at10.XX.38AM.XXXX"></XXXXXX><p>XXXXXXX these XXXXXX,</p><figure><img XXX="https://XXXXXXXXXXXX.XX.XXXXXXXXX.XXX/XXXXX/XXXXXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXXXXXX.XX.34AM.XXXX" data-s3="https://XXXXXXXXXXXX.XX.XXXXXXXXX.XXX/XXXXX/attachments/XXXXXXXXXXXXXXXXXXXXXXXXXXXX.XX.XXXX.jpeg"></figure><p>XXXXXX XXXX be -40V.<br></p><p><XX></p><p><br></p>">
