The MIXX Analog Plus combines a 2-speed turntable with a cleverly integrated CD player, with AUX and Bluetooth connectivity.

Shortwave radio enthusiasts are sure to know the problem: You're trying to tune in to your favorite global broadcast only to find that the signal is fuzzy. Is it you? Your equipment? It might just be ...

Learn how to make a simple device for monitoring the state of the ionosphere and the quality of shortwave signals using the CA3089 chip. Shortwave Propagation is the way radio waves in the 3 to 30 MHz ...

A multimeter is my go-to instrument for initially figuring out what is going on or going wrong in a circuit. The “multi” in “multimeter” refers to the tool’s ability to read voltage, current and ...

Abstract: This paper describes an evaluation of the Keysight 3458A digital multimeter (DMM) noise performance. A DMM noise model is given in closed form for all ranges and integrating ...

When working on electrical projects around the home—whether that’s troubleshooting an issue with your HVAC system, repairing an appliance, or testing a car battery—a multimeter is essential. These ...

We earn commissions from purchases you make using links in our articles. Learn more. Anyone who works on their car should have a multimeter, but they come in handy around the house too. Whether you ...

We may receive a commission on purchases made from links. One tool you'll find stashed in all the best electrician's tool backpacks is a multimeter. Most modern multimeters are of the digital variety, ...

The ZX Spectrum in its original form produces a radio frequency signal that can be fed into an analog TV. The quality of this signal is very poor, but this can be improved by a simple modification ...