First Order Butterworth High Pass Filter - Expression for gain and frequency response

[@vinayGuvvala]

Thank you for clear and concise explanation....

[@ElectronicsforYoututorials]

Welcome 🙏

[@vismayapr2089]

sir is there any mistake.. in the text book V0/Vin = Af( f/fl) / root 1 +( f/fl )^2

[@ElectronicsforYoututorials]

Edit:I got it. This expression is also true. We have simplified it so it looks different. Just divide Nr and Dr by f/fl and again u will get same.

[@VikashKumar-ou7bv]

Nice lecture sir

[@ElectronicsforYoututorials]

Thanks Vikash...

[@truptikulkarni9503]

Isn't (-j)^2= -1?