Signalling and communicationQuestion 241 of 1506

What is the advantage of phase-continuous FSK?

Every bit takes the same time to send
It removes the need for a modulator at the sender
It sends the data as square waves on the cable
It sends only the 1s as pulses

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Correct answer: Every bit takes the same time to send

A low-high pair stands for one state and a high-low pair for the other, so every bit lasts the same time.

Source: Lessons in Electric Circuits IV: Digital (Kuphaldt), 14.4: Electrical Signal Types

Questions last reviewed: 18 October 2026

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