Input = sine wave, steady frequency

- A: Steady DC voltage

- B: frequency equal to input signal

Input = sine wave, increasing frequency

- A: Increasing DC voltage

- B: frequency equal to input signal

Input = sine wave, decreasing frequency

- A: Decreasing DC voltage

- B: frequency equal to input signal

Input = sine wave, frequency increases and decreases regularly

- A: DC voltage that rises and falls with input frequency

- B: frequency equal to input signal