===== Ham College 99 - Extra Class Exam Questions – Part 37 ===== **Released: April 01, 2023** **Show Hosts** * George Thomas (W5JDX) * Tommy Martin (N5ZNO) **Topics** E7G Active filters and op-amp circuits: active audio filters, characteristics, basic circuit design, operational amplifiers. Runtime(51:22) **Questions** - E7G1 - E7G2 - E7G3 - E7G4 - E7G5 - E7G6 - E7G7 - E7G8 - E7G9 - E7G10 - E7G11 **Watch** * Download http://www.amateurlogic.tv/downloads.htm * https://youtu.be/aXngUeE-TyI **Sponsors** * Icom America http://www.icomamerica.com