The animated TECHTip Tutorial is available here.

• PSK [Phase Shift Keying] varies the carrier (power level) signal. Like with multiple shifts (changes) in frequency, there are many changes in phases.

• BPSK [Binary (two) PSK] shifts 180 degrees.
• DPSK [Differential PSK] - the phase is not shifted by some known factor, but by the phase of the last symbol sent.

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[tags]techtionary,psk,bpsk,dpsk,phase[/tags]