1) What do you mean by a voltage controlled oscillator?
2) Write down the parameters on which the free running frequency of VCO depend?
3) Write down the expression for VCO free running frequency.
4) Describe Voltage to Frequency conversion factor.
5) Explain the purpose of having a low pass filter in PLL.
6) Describe the effect of having large capture range.
7) Write down some of the typical applications of PLL.
8) What do you mean by a compander IC? Explain it with some suitable examples.
9) Write down the merits of companding.
10) Write down the applications of OTA.