State the number of quantisation levels available with an -bit sample.
Salam Academy Original Practice · Proposed mark scheme
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12 questions
A signal contains frequencies up to kHz. Calculate the minimum sampling rate in kHz.
Salam Academy Original Practice · Proposed mark scheme
A filter has resonant frequency kHz and bandwidth Hz. Calculate its Q factor.
Salam Academy Original Practice · Proposed mark scheme
Convert the binary number to decimal.
Salam Academy Original Practice · Proposed mark scheme
A key advantage of digital signals over analogue signals is that
Salam Academy Original Practice · Proposed mark scheme
State the number of quantisation levels with a -bit sample.
Salam Academy Original Practice · Proposed mark scheme
A voice signal is sampled at kHz with bits per sample. Calculate the bit rate in kbit s⁻¹.
Salam Academy Original Practice · Proposed mark scheme
A filter has kHz and bandwidth kHz. Calculate its Q factor.
Salam Academy Original Practice · Proposed mark scheme
CD audio is sampled at kHz with bits per sample on channels. Calculate the bit rate in Mbit s⁻¹.
Salam Academy Original Practice · Proposed mark scheme
Calculate the resonant frequency, in kHz, of an LC circuit with mH and nF.
Salam Academy Original Practice · Proposed mark scheme
Calculate the resonant frequency, in kHz, of an LC circuit with mH and μF.
Salam Academy Original Practice · Proposed mark scheme
A radio tuner uses mH. Calculate the capacitance, in pF, needed to tune to MHz.
Salam Academy Original Practice · Proposed mark scheme