1. Which type of receiver suffers from the “image signal” problem?a) Superheterodyneb) Tuned radio frequency (TRF)c) AM transmitterd) FM transmitter Answer: b) Tuned radio frequency … Read more
1. What are the two types of angle modulation?a) Amplitude Modulation (AM)b) Frequency Modulation (FM)c) Pulse Modulation (PM)d) Phase Modulation (PM) Explanation: Angle modulation refers … Read more
1. Which modulation technique utilizes both upper and lower sidebands along with a carrier signal? a) Amplitude Modulation (AM)b) Frequency Modulation (FM)c) Phase Modulation (PM)d) … Read more
1. Which mathematical tool is used to represent a signal in the frequency domain? a) Laplace transformb) Fourier transformc) Z-transformd) Hankel transform Answer: b) Fourier … Read more