He built this 2.4 GHz biquad antenna on the cheap (translated) just to test if it improved the signal before he tried to buy a proper antenna. It turns out to work well enough that this is all ...

In the literature this circuit is either referred to as the single amplifier biquad (SAB) or as the standard tantalum active resonator (STAR). It is currently being used extensively in the Bell ...

King John Balliol defied King Edward I of England by not helping him in his war against the French. The English king invaded Scotland to make King John pay for standing up to him. NARRATOR:The ...

We consider first the biquadratic active- RC sections that use a single op amp, configured in either an inverting (negative-feedback) or noninverting (positive-feedback) mode, in a single-loop ...