i)Most electronic circuits in communication are used to process signals which can be in digital or analogue form. These circuits are manned for manipulating signals towards producing a desired result. Generally, all signal processing circuits will engage with two main factors. Identify these factors and compare their role in communication. A) Electronic and Optical B) Wireless and Free Space C) Analog and Digital D) Gain and Noise E) Noise and Attenuation F) Gain and Attenuation G) None of the above ii)Signals travel in communication channels are always exposed to the possibility of interference effect that could destroy the transmitted information. The interference occurs due to the existence of two or more frequencies. There is a component that limits specific range of frequencies and allows other range to pass through in the channel. Identify this component and explain its operation with aid of diagram. A) Modulator B) Baseband C) Local Oscillator D) Electrical Coupler E) Optical Switch F) Bandpass Filter G) None of the above
i)Most electronic circuits in communication are used to process signals which can be in digital or
analogue form. These circuits are manned for manipulating signals towards producing a desired
result. Generally, all signal processing circuits will engage with two main factors. Identify these
factors and compare their role in communication.
A) Electronic and Optical
B) Wireless and Free Space
C) Analog and Digital
D) Gain and Noise
E) Noise and Attenuation
F) Gain and Attenuation
G) None of the above
ii)Signals travel in communication channels are always exposed to the possibility of interference
effect that could destroy the transmitted information. The interference occurs due to the existence
of two or more frequencies. There is a component that limits specific range of frequencies and
allows other range to pass through in the channel. Identify this component and explain its operation
with aid of diagram.
A) Modulator
B) Baseband
C) Local Oscillator
D) Electrical Coupler
E) Optical Switch
F) Bandpass Filter
G) None of the above
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