In spread-spectrum and direct-sequence receivers, it’s often necessary to change the frequency of the clock oscillator, and thus the spreading-code clock, to lock the receiver’s reference pseudorandom ...

Analog transmission is not particularly efficient. When the signal-to-noise ratio of an analog signal deteriorates due to attenuation, amplifying the signal also amplifies noise. Digital signals are ...

The gossip: Analog and digital will soon battle for control of power-supply regulation. The reality: When it comes to feedback-loop control, both approaches seem to happily coexist. (See "True Digital ...