Analog and Digital Communication Set 1

Band pass filter ✘ Band stop filter ✘ Low pass filter ✘ High pass filter ✔

At the receiving end ✘ At transmitting antenna ✘ In the channel ✘ During regeneration of the information ✔

Directly proportional to the value of the resistor ✘ Inversely proportional to the value of the resistor ✘ Unaffected by the value of the resistor ✘ Becomes half as the resistance value is doubled ✔

Transit time noise ✘ Flicker noise ✘ Shot noise ✘ None of the above ✔

Generation of SSB signals ✘ Representation of band pass signals ✘ Designing of minimum phase type filters ✘ All of the above ✔

May be represented by g(t) = g(t + T0) ✘ Value may be determined at any point ✘ Repeats itself at regular intervals ✘ All of the above ✔

Periodic signal ✘ Aperiodic signal ✘ Deterministic signal ✘ Both a and c ✔

The signal and its Hilbert transform have same energy density spectrum ✘ The signal and its Hilbert transform are mutually diagonal ✘ Both a and b are correct ✘ None of the above ✔

f(x) = f(-x) ✘ f(x) = -f(x) ✘ f(x) = f(x)f(-x) ✘ None of the above ✔

May be specified in time ✘ Occurrence is random ✘ Repeat over a period ✘ None of the above ✔