1.
According to transfer characteristics of PLL, the phase error between VCO output & incoming signal must be maintained between _______ in order to maintain a lock.

2.
In VCO IC 566, the value of charging & discharging is dependent on the voltage applied at ______.

3.
In AM detector using PLL, the phase detector is basically a multiplier which produces ________components of frequencies at its output.

4.
In LM317 voltage regulator, the protective diodes do not allow the filter capacitors to discharge through ______current points.

5.
In LM317 voltage regulator, what is the minimum value of voltage required between its input & output in order to supply power to an internal circuit?

6.
Which type of IC voltage regulator exhibits continuous variation in the impedance of transistor in order to supply the desired load current?

7.
Due to operation of series pass transistor in an active region of linear voltage regulator, ___________

8.
Which among the following are regarded as three-pin voltage regulator ICs?