Analog Circuits

Welcome to Module 6 where we will tackle analog circuits like rectifiers, amplifiers, and filters. These circuits are incredible useful and allow us to learn more about circuit components like resistors, diodes, capacitors, and transistors.

The world of electronics is divided into analog and digital circuits. Analog circuits use voltages that can vary along a spectrum, say, from 0 to 60 volts. Digital circuits, on the other hand, use a specific value ‘step function’ for voltage; perhaps switching between a ‘high’ and a ‘low’ state to represent a binary ‘0’ and ‘1’ signal that can be easily interpreted by computers.

Most electronic systems use both analog and digital circuits. An analog circuit is used to convert an AC power source into a DC signal, which is then used by digital circuits to perform computational functions.

As we learn about analog circuits, we’ll start to learn about circuit design; how components are used to do really practical and useful things inside circuits.

About This Course

On each page, you will find a drop-down lesson menu at the top of the page and a content listing at the bottom of each page for easy access if you’d like to review past lessons or jump around.

If you’re a newbie, we recommend reading through each lesson before moving on to the next. As in any complex subject, the more you learn, the more you will understand- don’t be surprised if you find it difficult at first- because the farther you go, the more you will be able to understand. Each new concept builds on the last, but also enhances your understanding of what you thought you already knew.

As always, if you have any questions, don’t hesitate to reach out!