Design Technology · A3 Product
DTA3.4 — Introduction to electronic systems
Design Technology · SL / HL · syllabus-mapped notes
DTA3.4.1
Input, process, output, feedback
Electronic systems comprise of an input, process, output and feedback loop.
DTA3.4.2
Responsible electronics
Electronics are ubiquitous and designers need to consider how they can be created so that they may be used responsibly in homes, industry and society as well as improving aspects of modern-day life.
DTA3.4.3
Analogue or digital
Electronic systems can be either analogue or digital.
DTA3.4.4
Analogue systems
An analogue system uses continually changing signals such as sine waves.
DTA3.4.5
Digital systems
A digital system is designed to store, process and communicate information in digital form.
DTA3.4.6
Components with a purpose
Electronic systems are composed of electronic components that have a specific purpose.
DTA3.4.7
Input devices
Electronic systems utilize input devices to identify a change in an environment that requires a response.
DTA3.4.8
Processing devices
Processing devices translate an input into an output.
DTA3.4.9
Control circuits
Many everyday electronic devices contain control circuits to monitor and control.
DTA3.4.10
Output devices
Electronic systems utilize output devices to perform a function in response to an initial stimulus.
DTA3.4.11
Feedback
Electronic systems utilize feedback to monitor an environment and respond to a stimulus if required.
DTA3.4.12
The operational amplifier
An operational amplifier (op-amp) is a high-gain voltage amplifier with differential inputs and a single output. It is one of the basic building blocks of analogue circuits.
DTA3.4.13
Embedded systems
Digital systems communicate with each other through the use of embedded systems to perform a specific task.
DTA3.4.14
Circuit diagrams
Electronic components are combined to perform a function in an electronic circuit, which is represented in a circuit diagram.