21. Nota
22. Nota
23. Which of the following best describes limitations for the 566 VCO?
(a) 2 kΩ ≤ R1 ≤ 20 kΩ
(b) 0.75V+ ≤ Vc ≤ V+
(c) fo < 1 MHz
(d) All of the above
24. Which of the following best describes the output of a 566 voltage-controlled oscillator?
(a) Square-wave
(b) Triangular-wave
(c) Both square- and triangular-wave
(d) None of the above
25. Which of the slope intervals of the integrator does the counter in the analog-to-digital converter (ADC) operate?
(a) Positive
(b) Negative
(c) Both positive and negative
(d) Neither positive nor negative
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