- an introduction or tutorial to the essentials of phase locked loop, PLL frequency synthesizer operation and design. PLL frequency synthesizers are widely used in all forms of radio communications equipment today.
Twisted pair cabling is a type of wiring in which two conductors of a single circuit are twisted together for the purposes of canceling out electromagnetic interference (EMI) from external sources; for instance, electromagnetic radiation from unshielded twisted pair (UTP) cables, and crosstalk between neighboring pairs.
In order to overcome such distortion, which has rendered the DNA unstable, the DNA twist around itself, like a circular rubber band undergoing twisting, such a twists on its own thread is called Super coiling; it is also referred to as tertiary structure.