LNGR · Learning laboratory
Worksheets for teaching and independent study
Six topics · 20 exercises each · separate answers.
Free with attribution
You may use, copy, share and adapt these LNGR worksheets free of charge. Keep the visible attribution “LNGR · https://langer.com.de” and identify modifications. Retain the mark on unchanged sheets. This does not grant permission to use the mark as your own brand.
Each topic includes 20 exercises with writing space and a separate answer booklet. German and English are separate files.
Fundamentals and mixed circuits
Capacitor, inductor and decoupling
Diode, transistor and MOSFET
Filters and crossovers
Driver matching, phase and delay
Measurement and troubleshooting
Brand mark: supplied LNGR brand board, red version.