-link- Diode State
-link- BJT analysis: DC current and voltage with DC loadline plot for emitter stabilized bias circuit
-link- JFET Self Bias Circuit Operating Point using Graphical & Mathemathical Methods
-link- Active Current Mirror for Differential Amplifier Circuit
-link- Voltage series op-amp: Derive and find output resistance with feedback
-link- Voltage series op-amp: Derive and find input resistance with feedback