Clarification at 6:22: It is perfectly fine to add capacitance to ground at the inverting input if you also add additional capacitance from this input to the output. This is actually the well know differentiator circuit, and can be used for high pass filtering. When you forget the compensating capacitance is when you normally get into stability troubles. Perhaps at some point we can do videos on op amp stability...
Hi Lance, This comes from the thermal noise of the resistor and is a fundamental property. Google "resistor noise" or "johnson noise" to find out more.
No need to open my college books :P. I'll never use this stuff again. My employer set me up for failure because they didn't believe I actually know any of this stuff... but yes my presence on the Honor Roll was no fluke. I'll just take my underemployment, super high credit score, easy job that includes stuff I've been doing since high school... and call it it a career. Being Black, it's simply bewildering... Especially when you take the reciprocal of what they think you're capable of and implement it. LOL! LOL! LOL! LOL! Great video series by the way. I wish it was around when I was going through Electronics Coursework.
Clarification at 6:22: It is perfectly fine to add capacitance to ground at the inverting input if you also add additional capacitance from this input to the output. This is actually the well know differentiator circuit, and can be used for high pass filtering. When you forget the compensating capacitance is when you normally get into stability troubles. Perhaps at some point we can do videos on op amp stability...
Amazing Videos. Better than what we learned in school
This whole filtering series has helped me understand many basic concepts. Thank you,
+ujjwal karki You are very welcome!
How to design switched capacitor Universal filter
Dude you are fabulous!!!
Can you explain why putting a cap on the amp input causes instability?
Analog device always the best
Thank you!
Fabulous explanation
excellent very good
I hope he teaches on the side. Excellent presentation.
Is there a video on anti-aliasing?
How does having a larger resistor value increase the noise?
Hi Lance, This comes from the thermal noise of the resistor and is a fundamental property. Google "resistor noise" or "johnson noise" to find out more.
No need to open my college books :P. I'll never use this stuff again. My employer set me up for failure because they didn't believe I actually know any of this stuff... but yes my presence on the Honor Roll was no fluke.
I'll just take my underemployment, super high credit score, easy job that includes stuff I've been doing since high school... and call it it a career. Being Black, it's simply bewildering... Especially when you take the reciprocal of what they think you're capable of and implement it.
LOL! LOL! LOL! LOL!
Great video series by the way. I wish it was around when I was going through Electronics Coursework.