Pages created and updated by Terry Sturtevant Date Posted: November 4, 2015


Scope Trace List



  1. Square Wave Harmonic Structure
    FFT trace showing fundamental and at least 3 harmonics
    Identify artifacts of function generator
    Calculate position and height of fundamental and each harmonic


  2. Triangle Wave Harmonic Structure
    FFT trace showing fundamental and at least 3 harmonics
    Identify artifacts of function generator
    Calculate position and height of fundamental and each harmonic


  3. EIA-232 Character Transmission
    trace with one complete character, partial preceeding and following
    Identify data bits
    Identify start, stop bits
    Calculate timing of each bit
    Show "mark" and "space" levels


  4. SPI D/A Converter
    trace of a two byte SPI transfer, including clock, data, and slave select lines.
    Identify the characters being sent.
    Explain from the data sheet what the instruction is doing.


  5. D/A Conversion
    trace with analog output signal
    Show conversion time and resolution
    Calculate conversion time and voltage resolution


  6. A/D and D/A Conversion
    trace with analog input signal and reconstructed analog output signal
    Show delay due to conversion
    Show sample time and resolution
    Calculate conversion time, voltage resolution and delay


  7. A/D and D/A Conversion Frequency Aliasing
    trace with analog input signal and reconstructed analog output signal
    Show conversion time
    Show periods of input and output
    Calculate alias frequency based on input and conversion time


  8. Amplitude Modulation
    trace with analog input signal and modulated output signal
    Show carrier period
    Show signal period
    Calculate carrier and signal frequencies and modulation percentage


  9. Frequency Modulation and Demodulation
    trace with analog input signal and modulated output signal
    Show carrier period
    Show signal period
    Calculate carrier and signal frequencies and modulation percentage


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