Public learning track
Op-Amp Comparators and Sensor Interfacing
11th Grade · Technology · UK A-Level
5 lessons
Goal
Design and analyse open-loop operational amplifier comparator circuits, interpret transfer characteristics, and interface resistive sensor dividers.
5 lessons
0 of 5 done
- 1Input Voltage Thresholds and Comparator ActionUp nextStart
- 2Designing Inverting and Non-Inverting Comparator CircuitsPremiumNot started yet
- 3Input Bias Currents and Input Offset VoltagesNot started yet
- 4Op-Amp Transfer Characteristics and Switching SlopesNot started yet
- 5Comparator Circuits with Resistive Sensor DividersNot started yet
Standards Covered
- ELEC-8.3General Certificate of Education Advanced Level (UK A-Level) · Electronics · Year 13 (A2 Level) · Grade 11the dependence of the output state of an op-amp on the relative values of the two input states
- ELEC-8.2General Certificate of Education Advanced Level (UK A-Level) · Electronics · Year 13 (A2 Level) · Grade 11the characteristics of an ideal op-amp and their comparison with those of typical op-amps
- ELEC-8.1General Certificate of Education Advanced Level (UK A-Level) · Electronics · Year 13 (A2 Level) · Grade 11the definition of the voltage gain of an amplifier
Curriculum Framework
11th Grade · Technology · UK A-Level
1
7 lessons
Voltage Gain and Operational Amplifier Fundamentals
Master linear and decibel voltage gain calculations, cascaded amplifier analysis, and core operational amplifier characteristics and supply limits.
2
5 lessons
Op-Amp Comparators and Sensor Interfacing
Design and analyse open-loop operational amplifier comparator circuits, interpret transfer characteristics, and interface resistive sensor dividers.
3
5 lessons
Negative Feedback and Inverting Amplifier Fundamentals
Understand negative feedback theory, master the virtual earth concept, and design single-stage inverting amplifier circuits.
4
8 lessons
Summing Amplifiers, DACs, and Virtual Earth Applications
Design and analyse multi-input summing amplifiers, digital-to-analogue conversion networks, AC-coupled stages, and transimpedance amplifiers using the virtual earth principle.
5
7 lessons
Non-Inverting Amplifiers and Voltage Followers
Design and analyse non-inverting op-amp amplifiers and unity-gain buffers to achieve high input impedance and eliminate circuit loading.
6
5 lessons
Difference and Instrumentation Amplifiers
Design difference and three-op-amp instrumentation amplifiers with high common-mode rejection for sensor signal conditioning.
7
8 lessons
Op-Amp Dynamic Limitations, Active Filters, and Calculus Circuits
Evaluate high-frequency and dynamic op-amp limitations, design active filtering networks, and synthesise practical integrator and differentiator circuits.
8
5 lessons
Non-Linear Op-Amp Circuits and Analogue System Synthesis
Design positive-feedback switching circuits, signal generators, single-supply biasing configurations, and integrated analogue sensor interfaces.