Bandwidth is one of those technical terms that has been overloaded in popular speech: as an example, an editor might ask if you have the bandwidth to write a Hackaday piece about bandwidth. Besides ...

Using high school trigonometry combined with knowledge of four-quadrant multipliers to form a frequency quadrupler.

Most RF and microwave analyzers have a superheterodyne architecture that down-converts the input signal to a lower IF, generally using several IF stages at different frequencies. Digital technology ...

As an ultra-wideband microwave signal, amplitude shift keying (ASK) can be used in many applications, such as electronic warfare, wireless communications and modern radar systems. Initially, ASK ...

A new method for restoring high frequencies within the seismic bandwidth has been applied to a producing field in southern Alberta. Oct. 13, 2003 Click on the pdf link below to view entire article. A ...

Smartphones have utilized 4G connections since late 2010. While these once seemed very fast, you might notice as you’re streaming Netflix on your phone that it’s getting a little slow. Next-generation ...

A new quantum sensor can analyze the full spectrum of radio frequency and real-world signals, unleashing new potentials for soldier communications, spectrum awareness and electronic warfare. Army ...

A new method for restoring high frequencies within the seismic bandwidth has been applied to a producing field in southern Alberta. This method is different from the conventional methods practiced in ...