Here is an idea for a simple low-cost adaptor that allows a portable FM radio (or MP3 player with FM tuner) to be connected to an external antenna and to audio equipment such as a hifi system or PC ...

Check any audiophile facebook group or forum and you will find dozens of enthusiasts asking the oh so common question "what are the best cables to use with my audio components?" There are never ...

The single op-amp differential amplifier shown in Figure 1 is often used as an audio balanced line receiver. Obtaining high common-mode rejection is a critical requirement that requires four ...