Learning electronic circuits

Simple electronic circuit scheme

When we talk about electronics, surely it will never be separated from the name electronic circuit. Because one of the outputs of learning electronics is being able to create and improve electronic circuits. Currently, we are familiar with various kinds of electronic circuits, ranging from simple to complex.

In every electronic device that we encounter everyday, there must be an electronic circuit inside, such as: television, radio, refrigerator, washing machine, and many other electronic devices that rely on electronic circuits as the brain or control.

If we look at the definition, an electronic circuit is a set of electronic components that are assembled into a single unit so that they have a specific function.

Electronic circuits usually use active electronic components, such as: transistors and integrated circuits (IC chips). Electronic circuits can be categorized into three parts, namely: analog circuits, digital circuits, and combined circuits between the two.

Analog electronic circuits are concerned with signals that change continuously (fine or little by little) according to the information they contain. Some electronic equipment, such as: Amplifiers, tuners, radios, and televisions use analog signals primarily at the front and the end. The main components in analog electronic circuits are passive components, such as: resistors, capacitors, inductors and transformers, and active components, such as: transistors, diodes, FETs, CMOS, and others.

Whereas in digital electronic circuits, the electrical signal used changes discrete (high or low) according to the logical value (1 or 0) of the information to be processed. Electronic components that use digital signals include: logic gates, digital clocks, calculators, PDAs (personal data assistants), microprocessors, and computers.

Combined electronic circuits contain both analog signal types and digital signals. Some examples of circuits that use these two types of signals are: Comparators, counters (timers), PLL, ADC (analog to digital converter), and DAC (digital to analog converter).

In this application there are several kinds of simple electronic schematic circuits that you can find out about and you can try to make or improve these electronic circuits.

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