A Class D audio amplifier is basically a switching amplifier or PWM amplifier. There are a number of different classes of amplifiers. We will take a look at the definitions for the main ...

JFETs are, almost invariably, depletion mode devices, which means that there will be some drain current at a zero-applied gate-source potential. This current will decrease in a fairly linear manner as ...

For hams who build their own radios, mastering the black art of radio frequency electronics is a necessary first step to getting on the air. But if voice transmissions are a goal, some level of ...

In this video, discover effective techniques on how to increase subwoofer bass effortlessly with just your phone. Learn about the best amplifier options for enhancing your audio experience. Whether ...

Part 1 of 7 about vintage audio covers the basics of vintage hifi amplifiers, receivers and preamps. Learn what to look for and what to avoid, along with some money saving tips. Our 7-part podcast ...