Course Description

Topics 29: R-L-C Circuits, 30: OP-Amps, 31: Phase Locked Loops (PLLs): Voltage Controlled Oscillators (VC)s); Mixers, and 32 Schematics.

Senior Instructor

Charles Bohe

About the author: Mr. Bohe has a master of science degree in education from California State University East Bay and specializes in online education. He holds a General Radiotelephone Operator License with a RADAR endorsement. His background includes twenty-four years of service with the United States Navy as a sonar technician. He taught electronics for over ten years at Heald College. He is currently employed as a civilian facilities maintenance supervisor with the United States Marine Corps. Certifications include Senior Certified Electronics Technician by Electronics Technician Association International (ETA-i) He holds a Journeyman Electronics Technician certification in Industrial and RADAR Electronics from ETA International. As  an active member of ETA International he proves guidance and testing opportunities for electronic certificationsThis book is dedicated to a Navy Captain, a Navy Commander (Ret.),  an Army Lt. Col. (Ret.) and the people of Pine Ridge SD who shaped my life. 

Course curriculum

  • 1

    Topic 29 R-L-C (R=Resistance, L=Inductance, C=Capacitance)

    • R-L-C Lectrure

    • R-L-C Quiz

  • 2

    Topic 30 Op Amps

    • Op Amps Lecture

    • Op Amp Quiz

  • 3

    Topic 31 Phase Locked Loops (PPLs); Voltage Controlled Oscillators (VCOs); Mixers

    • Topic 31 Phase Locked Loops (PPLs); Voltage Controlled Oscillators (VCOs); Mixers Lecture

    • Topic 31Phase Locked Loops (PPLs); Voltage Controlled Oscillators (VCOs); Mixers Quiz

  • 4


    • Schematics Lecture-Figure 3D7

    • Schematics Lecture-3D8

    • Schematics-coupling capacitor failure

    • Schematics Lecture-3D9

    • Schematics Lecture-3D10

    • Schematics 3D11

    • Schematics-Quiz

  • 5

    Element 3 Test Pool

    • Element 3 test pool