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Explain CMRR IN AN OP-AMP
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</figure><p>XXX of the XXXXXXX XX to XXXXXXX XXX XXX of v1,v2,XX in XXXXXXXXX form XX output terminal.</p><p>Now as XXX Op-XXX XXX a very XXXXX XXXXX impedance, there XXXX no current going into XXX XX-XXX.</p><p>Therefore, i = i1+XX+i3 is what XXXXXXX XX the XXXXXX XXXX. XXXX XXXXX XX a XXXXXXX short between the XXXXXX X and B, XXXXX for XXXXXXX XX these two nodes will be equal. B point XX at XXXXXX there the point A will also be XX 0 XXXXX. Considering these XXXX XXXX into XXXXXXXX.<br></p><figure><XXX src="https://XXXXXXXXXXXX.XX.amazonaws.XXX/XXXXX/XXXXXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXXXXX.52.XXXX.XXXX" data-XX="https://XXXXXXXXXXXX.XX.amazonaws.XXX/XXXXX/attachments/XXXXXXXXXXXXXXXXXXXXXXXXXXX.XX.35AM.jpeg"></XXXXXX><p>Equating XXX currents at XXXXX and XXXXXX XXXX,</p><figure><img src="XXXXX://schoolsolver.XX.XXXXXXXXX.XXX/media/XXXXXXXXXXX/476WhatsAppImage20200630at9.XX.XXXX.XXXX" data-XX="XXXXX://schoolsolver.XX.XXXXXXXXX.com/XXXXX/attachments/XXXXXXXXXXXXXXXXXXXXXXXXXXX.XX.XXXX.XXXX"></figure><p>To achieve XXXXXXX we will be XXXXXXX,</p><figure><img src="XXXXX://schoolsolver.s3.amazonaws.com/XXXXX/XXXXXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXXXXXX.07.54AM.XXXX" data-s3="https://XXXXXXXXXXXX.XX.XXXXXXXXX.XXX/XXXXX/attachments/659WhatsAppImage20200630at10.XX.54AM.jpeg"></figure><p>Then XXX result will XX,</p><XXXXXX><XXX src="https://schoolsolver.XX.amazonaws.XXX/media/attachments/XXXXXXXXXXXXXXXXXXXXXXXXXXX.XX.28AM.XXXX" XXXX-XX="https://XXXXXXXXXXXX.XX.XXXXXXXXX.com/media/XXXXXXXXXXX/590WhatsAppImage20200630at9.XX.28AM.jpeg"></XXXXXX><p><XX></p><p><br></p><p>XXX let's XXXX XXXX the XXXXXXXXXXXX amplifier XXXXXXX.</p><p>XXX circuit XXXXX XXXX,</p><XXXXXX><XXX src="XXXXX://XXXXXXXXXXXX.s3.amazonaws.com/media/XXXXXXXXXXX/074WhatsAppImage20200630at9.53.47AM.jpeg" XXXX-XX="https://XXXXXXXXXXXX.XX.XXXXXXXXX.com/XXXXX/XXXXXXXXXXX/074WhatsAppImage20200630at9.53.XXXX.XXXX"></XXXXXX><p>Same current rule applies XXX XXX XXXXXXX XXXXX XXXXX Voltage at point X (VA) will be XXXXX XX XXXXXXX at point X(VB).</p><p>Now XXXX on! what's XX should XX?</p><p>XX XX w the XXXXXXX drop XXXXXX XX resistor, XXXXX is,</p><figure><XXX src="XXXXX://XXXXXXXXXXXX.s3.XXXXXXXXX.com/XXXXX/attachments/XXXXXXXXXXXXXXXXXXXXXXXXXXX.54.00AM.jpeg" XXXX-s3="https://schoolsolver.XX.amazonaws.com/media/attachments/164WhatsAppImage20200630at9.54.XXXX.jpeg"></figure><p>Let's XXX XXXX XXXXXXX analysis,</p><p>The current XX is what XX XXXX XXXXXXX at XXX output side XXXXXXX of XXXX input impedance of the XX-XXX, <br></p><p>XXXXXXXX the current XX XXXXX and output side,<br></p><figure><XXX XXX="XXXXX://schoolsolver.XX.XXXXXXXXX.XXX/XXXXX/attachments/851WhatsAppImage20200630at9.54.XXXX.XXXX" data-s3="XXXXX://schoolsolver.XX.amazonaws.XXX/XXXXX/XXXXXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXXXXX.54.18AM.jpeg"></figure><p>Solving XXXXXXXXXXXXX,</p><figure><img XXX="https://XXXXXXXXXXXX.XX.amazonaws.com/XXXXX/XXXXXXXXXXX/463WhatsAppImage20200630at9.54.32AM.XXXX" data-XX="XXXXX://schoolsolver.s3.XXXXXXXXX.com/XXXXX/XXXXXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXXXXX.XX.XXXX.XXXX"></figure><p>So, output voltage XXXXXXX,</p><figure><XXX XXX="https://XXXXXXXXXXXX.XX.XXXXXXXXX.com/media/attachments/973WhatsAppImage20200630at9.XX.XXXX.XXXX" data-XX="XXXXX://XXXXXXXXXXXX.s3.amazonaws.XXX/media/attachments/XXXXXXXXXXXXXXXXXXXXXXXXXXX.XX.45AM.XXXX"></XXXXXX><p>Now XX achieve XXX XXXXXXXXXXXX XXXXXXXXX we should XX the XXXXXXXXX,</p><XXXXXX><XXX XXX="https://schoolsolver.s3.amazonaws.com/XXXXX/attachments/568WhatsAppImage20200630at9.XX.XXXX.XXXX" XXXX-s3="XXXXX://schoolsolver.XX.XXXXXXXXX.com/XXXXX/attachments/568WhatsAppImage20200630at9.54.XXXX.XXXX"></figure><p>Now XXX XXXXXX XXXXXXX,</p><figure><XXX src="https://XXXXXXXXXXXX.s3.amazonaws.XXX/XXXXX/attachments/026WhatsAppImage20200630at9.55.09AM.XXXX" data-s3="https://XXXXXXXXXXXX.s3.XXXXXXXXX.com/XXXXX/XXXXXXXXXXX/026WhatsAppImage20200630at9.55.XXXX.jpeg"></figure><p>Differential operation achieved!!</p><p><br></p><p><XX></p><p>Let's XXXX onto XXX problem,</p><p>XXXXXXX XXX circuit, it's just a XXXXXXX XXXXXXXXX and we just XXX the XXXXXXXX value XXXXX in XXX problem into the XXXXXXXX XX XXX,</p><figure><XXX XXX="https://schoolsolver.XX.amazonaws.com/XXXXX/XXXXXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXXXXXX.17.16AM.jpeg" XXXX-XX="XXXXX://schoolsolver.XX.XXXXXXXXX.com/media/attachments/XXXXXXXXXXXXXXXXXXXXXXXXXXXX.XX.16AM.XXXX"></XXXXXX><p>where,</p><figure><img XXX="XXXXX://schoolsolver.XX.XXXXXXXXX.com/media/attachments/807WhatsAppImage20200630at10.18.XXXX.jpeg" XXXX-s3="https://XXXXXXXXXXXX.XX.amazonaws.com/media/attachments/807WhatsAppImage20200630at10.18.38AM.XXXX"></XXXXXX><p>XXXXXXX these values,</p><XXXXXX><img src="XXXXX://XXXXXXXXXXXX.XX.amazonaws.XXX/XXXXX/XXXXXXXXXXX/681WhatsAppImage20200630at10.XX.34AM.jpeg" XXXX-XX="https://schoolsolver.XX.XXXXXXXXX.XXX/media/XXXXXXXXXXX/681WhatsAppImage20200630at10.19.34AM.jpeg"></figure><p>XXXXXX XXXX XX -40V.<br></p><p><XX></p><p><br></p>">
