The junction field effect transistor (FET) is a component with many applications. In this post, are shown the structure and the operation.
Category: Analog electronics
2 common base BJT amplifier projects
The common base is little known configuration for amplifiers using BJT. This type is used in high frequencies.
2 common collector BJT amplifier projects
In this post, it is shown another type of amplifier configuration using BJT. This time, it is the common collector or emitter follower.
2 projects of BJT common emitter amplifiers
In this post, it is shown how to design a BJT amplifier with voltage divider on common emitter mode. Two examples of projects are presented.
AC detector and cooler with LED effect
In this post, are shown 2 circuit projects: an AC voltage detector and a cooler with LED effect.
Current sources
The current sources are electronic circuits that provide a constant current. In this post, are shown some examples.
Arduino tutorial (Part 13, joystick), 2nd edition
This is the post’s second edition. It’s shown one more project to control servomotors with a joystick, using another method.
Remote control vehicle
This is a project of a vehicle with tracks controlled by a pair of RF modules and intergated circuits HT-12E (encoder) and HT-12D (decoder).
How to control a robotic arm without a microcontroller?
It is possible to control a robotic arm without a microcontroller, using simple electronic circuits. This post shows how.
Seebeck and Peltier effects
The Seebeck and Peltier effects are thermoelectric phenomena that explain the operation of thermocouples, temperature sensors with 2 different materials.