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WJEC A-Level Electronics Signal Conversion overview quiz quiz

12questions. Pick an answer and you'll see why right away.

  1. The Nyquist criterion states that a signal must be sampled at a rate of at least:

  2. If a signal is sampled below the Nyquist rate, the result is:

  3. An n-bit analogue-to-digital converter divides the input range into:

  4. The resolution of an ADC (the voltage of one step) is given by:

  5. Increasing the number of bits of an ADC from 8 to 10:

  6. Quantisation error is:

  7. In a weighted-resistor DAC, the resistors are binary-weighted so that:

  8. A weighted-resistor DAC feeds each bit into the:

  9. The main advantage of the R-2R ladder DAC is that it:

  10. The raw output of a DAC is:

  11. A low-pass reconstruction filter is placed on a DAC output to:

  12. An anti-aliasing filter is placed before an ADC to: