op-amp on Bald Engineerhttps://www.baldengineer.com/tag/op-ampRecent content in op-amp on Bald EngineerHugoen-USMon, 07 Sep 2015 14:22:55 +0000Review of EMSL's XL741https://www.baldengineer.com/review-of-emsl-xl741.htmlThu, 03 Sep 2015 01:25:09 +0000https://www.baldengineer.com/?p=5338When you need to buffer the output of an R-2R ladder or an RC filtered PWM signal, an op-amp is a single chip option. Unlike a discrete NPN transistor like a 2n3904, there is a lot going on inside of an LM741—or any op amp for that matter. What if you could look inside of the op-amp? Wouldn’t it be cool to see how many transistors make up these small chips?

Review of EMSL's XL741