Ever wondered why your op-amp doesn’t behave exactly as the textbook says? 🤔
In this video, we break down two critical concepts in op-amp design: common-mode voltage and the common-mode rejection ratio (CMRR).
✅ You’ll learn:
What common-mode voltage really means (in plain English)
Why real op-amps don’t perfectly reject it
How datasheet specs like CMRR are measured and interpreted
A practical look at the LM741 and why its limits matter
How instrumentation amplifiers solve common-mode problems
By the end, you’ll clearly see why CMRR is one of the most important specs when working with difference amplifiers and sensor circuits.
🔗 Watch next:
📘 Difference Amplifier Explained → [https://youtu.be/MPABGUq-lpA?si=t7wO72UNtI_9Dp37]
🎥 Full Op-Amp Playlist → [https://youtube.com/playlist?list=PLfox_rt4mFCL94d_hcqqFCABmmup9VI9K&si=affGKAplXb78bdEy]
👉 instrumentation amplifier : [https://youtu.be/byLFy2_Y4h4?si=cLtm4lI1Uh7mFYTg]
💡 Support our work and help us keep making clear, accessible science content:
👉 Patreon → [ https://www.patreon.com/ProfMAD]
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#OpAmp #CMRR #Electronics #Engineering
