4. Op-Amp Applications I - Amplifiers
Operational amplifiers are critical components in electronic circuits, particularly for signal amplification. This chapter discusses various configurations of Op-Amp amplifiers, including inverting, non-inverting, differential, and instrumentation amplifiers, elaborating on their unique applications and behaviors. Through lab exercises, students engage with the practical aspects of building and analyzing these circuits.
Sections
Navigate through the learning materials and practice exercises.
What we have learnt
- Op-Amp amplifiers serve to amplify weak input signals into larger output signals.
- Different configurations of Op-Amp amplifiers are suited for specific applications, affecting gain and signal processing.
- Hands-on lab work is essential for understanding the theoretical concepts of amplifier circuits.
Key Concepts
- -- Inverting Amplifier
- An amplifier configuration that inverts the input signal, with voltage gain determined by the ratio of feedback and input resistors.
- -- NonInverting Amplifier
- An amplifier configuration that amplifies the input signal without inversion, preserving the phase.
- -- Differential Amplifier
- An amplifier that amplifies the difference between two input signals, useful in applications that require noise rejection.
- -- Instrumentation Amplifier
- A specialized differential amplifier designed for accurately amplifying low-level differential signals with high common-mode rejection.
- -- Voltage Follower
- A buffer configuration that provides unity gain, isolating the input from the output, typically used for impedance matching.
Additional Learning Materials
Supplementary resources to enhance your learning experience.