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DC offset VS Superimposed DC voltage on AC waveform

Discussion in 'General Electronics Discussion' started by Danny Daviss, Mar 21, 2013.

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  1. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    Last chance Danny...
     
  2. Danny Daviss

    Danny Daviss

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    Mar 16, 2013
    1. Uni-directional Waveforms - these waveforms are always positive or negative in nature flowing in one forward direction only as they do not cross the zero axis point. Common uni-directional waveforms include Square-wave timing signals, Clock pulses and Trigger pulses.

    2. Bi-directional Waveforms - these waveforms are also called alternating waveforms as they alternate from a positive direction to a negative direction constantly crossing the zero axis point.

    How does a tech know if the square waveform is a bi-directional square waveform?

    The power supply is +12 and -12 volts
     
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