What is a zener diode? A zener diode tutorial.
A tutorial on zener diodes and how to use them as voltage clamps, voltage regulators, and how to create audio distortion circuits. The post What is a zener diode? A zener diode tutorial. first appeared...
View ArticleWhat is a schottky diode? A schottky diode tutorial.
A tutorial covering the advantages and disadvantages of schottky diodes over regular silicon diodes including forward voltage, efficiency, leakage current and recovery time issues. The post What is a...
View ArticlePeak detector circuit tutorial
Peak detectors are used when you have a rapidly changing AC input signal, and you want to obtain the peak voltage the signal reaches. Peak detectors are really simple to make – just a diode and a...
View ArticleOp amp comparator tutorial and clapper circuit
Comparators are a very handy circuit block that everyone should know. The basic idea is that you have a reference voltage, and as your input goes above or below that voltage, the output of the...
View ArticlePassive RL low pass filter tutorial
This video shows how you can use RL filters to filter out high frequency signals. An example audio crossover circuit for a woofer speaker is given. The post Passive RL low pass filter tutorial first...
View ArticlePassive RC high pass filters
This video builds upon the basics I covered with my low pass filter tutorial, so make sure you have seen that video first. This video shows you how high pass filters affect sine waves and square waves...
View ArticleWhat is a low pass filter? Passive RC low pass filter tutorial
This video covers the basics of low pass filters – how they affect signals, and how to design your own. By the end of the video you’ll know how to filter out high frequencies, which may prove useful...
View ArticleLM317 Adjustable Voltage Regulator Tutorial
A tutorial on the LM317 voltage regulator. Shows you how to make a 1.25 to 25V adjustable voltage supply, or choose any other output voltage you want. An example of a fan speed controller is shown....
View ArticleHow to protect circuits from reversed voltage polarity!
This video shows different ways you can protect your circuit from backwards power connections. Diodes, schottky diodes and P channel MOSFETs are discussed. The post How to protect circuits from...
View ArticleWhat is PWM? Pulse Width Modulation Tutorial in HD
PWM circuits are fun. You can use them to dim LEDs, control the speed of fans and motors, control the power going to a thermoelectric cooler, or control the power going to pretty much anything you...
View Article
