The solution covers in a detailed and explanatory manner the following topics:
- Op-amp ''golden rules'' as an introduction to op-amp circuits.
- Differential amplifier structure with detailed graphical representation.
- Derivation of the differential amplifier gain expression followed by the example of how to calculate the gain of the differential amplifier.
- Derivation of the differential amplifier input impedance expressions followed by the example of how to calculate the input impedance.
- Explanation of input impedance mismatch effects on the differential amplifier functionality.
- How to optimize differential amplifier design?
- Instrumentation amplifier structure with detailed graphical representation.
- Derivation of the instrumentation amplifier gain expression followed by the example of how to calculate the gain of the instrumentation amplifier (stage by stage approach).
- Rules of thumb in op-amp circuit design.