Electronic Devices - Communications

Exercise : Communications - General Questions
11.
A phase-locked loop (PLL) is a feedback circuit consisting of a
phase detector.
low-pass filter.
VCO.
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
If a 1 MHz carrier is amplitude modulated with a 5 kHz audio signal, the upper-side frequency is ________ kHz.
1005
1000
995
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.