A linear delta modulator is designed to operate on speech signals limited to 3.4 kHz; the specifications
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A linear delta modulator is designed to operate on speech signals limited to 3.4 kHz; the specifications of the modulator are as follows:
- Sampling rate = l0 ƒNyquist, where ƒNyquist is the Nyquist rate of the speech signal.
- Step size ∆ = 100 mV.
The modulator is tested with a 1-KHz sinusoidal signal. Determine the maximum amplitude of this test signal required to avoid slope overload.
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