A high frequency operating transistor coupling to a | Chegg.com
Using RC filter with transistor - General Electronics - Arduino Forum
operational amplifier - How to design BJT active filters? - Electrical Engineering Stack Exchange
Can I build active filters with BJT instead of opamps? - Quora
ElectronicsNotes on Twitter: "It is very easy to make a simple high pass filter out of a single transistor circuit stage. #highpassfilter #circuitdesign https://t.co/2hHxXL91OZ https://t.co/L58JP0UolS" / Twitter