You Can DIY! Building a Guitar-Controlled Synthesizer - Frequency to Volts and Back

This is the second article in a fascinating DIY journey of a guitar-controlled, all-analog synthesizer project that will include multiple stages and modules. Following a Sample & Hold circuit designed to retrieve previous voltages that no longer exist, this article details voltage control and how the playing is converted to voltages and back to frequency.

Hal Leonard published the book “Electronics Concepts, Labs, and Projects, Essential Electronics Theory for the Audio World” by Alden Hackmann. This is a complete introduction to essential theory relating to electronics principles specific to the audio world, including practical lessons on basic things from soldering to how to use an oscilloscope and function generator to diagnose circuits.

Researchers Jeong-Yun Sun and Christoph Keplinger at the Harvard School of Engineering and Applied Sciences (SEAS) have demonstrated a new type of loudspeaker transducer, which works on a different principle than the conventional moving coil design. It is made of …

B&K Precision announced the launch of its 4050 Series, a line of four dual-channel function/arbitrary waveform generators. These instruments can generate waveforms up to 50 MHz for use in education and applications requiring stable and precise sine, square, triangle, and …

Global Specialties has introduced the 1315D, a new rugged, general-purpose AC/DC power supply that features variable outputs of 0 to 25 V at 5 A with digital LED (green) displays for motoring voltage and current outputs. This unique power supply …