Reggie Grant is a communications technology teacher at Lincoln High School in Tallahassee, Fla. He teaches photography, graphic design, video production and audio production. The thing I like most ...

Bug Labs is the maker of The Bug, a modular open source system for building devices. With different modules you can add GPS, motion detection or sound to your gadget. They are always releasing new ...

Solid State Devices (Fall ‘10, Spring ’11) – Designed and built a sound transmission and receiving system with laser as the transmission medium using analog devices in the fall. Also designed a VCO ...

Semiconductor Electronics Class 12 MCQ Questions: Before the transistor's discovery in 1948, vacuum tubes were the primary tools for managing electron flow in electronic circuits. These tubes, ...

The most common audio power amplifier operates in the Class-AB mode. It provides the greatest amount of output power with the least amount of distortion. The downside is that it consumes quite a bit ...

Fig 1. This shows the spectra of both waveforms when the Class D output is issuing silence (no audio, duty cycle = 50%) with a switching frequency of 333 kHz. Fig 2. The blue line shows the energy ...