List of top Electronics and Communication Engineering Questions on Digital Signal Processing asked in TANCET

A digital filter with impulse response $ h[n] = 2^n u[n] $ will have a transfer function with a region of convergence.

The number of multipliers and delay elements required in the direct form II realization of $$ H(z) = \frac{1 + 0.5z^{-1} - 2z^{-2}}{1 + z^{-1} - 2z^{-2}} $$ 

Which of the following causal analog transfer functions is used to design causal IIR digital filter with transfer function? $$ H(z) = \frac{0.05z}{z-e^{-0.42}} + \frac{0.05z}{z-e^{-0.2}} $$ Assume impulse invariance transformation with \( T = 0.1 \, \text{s} \). 

If the data rate of delta modulator output is 43.2 kbps, for the input signal of 3.6 kHz, then the sampling rate used is equal to,
The shape of the rectangular window function is changed to other function such as Hamming and Blackman window functions so that
Window function used in FIR realization,
The new pole locations due to truncation of coefficient to 4 bit including sign bit in the cascade realization \[ H(z) = \frac{1}{(1-0.95z^{-1})(1-0.25z^{-1})} \]
The number 110000000.010.....000 represented in IEEE single precision format corresponds to the decimal number
The transfer function of first order high pass digital Butterworth filter that has 3dB cut off frequency \( \omega = 0.15\pi \) using bilinear transformation with T=1s
The signal to quantization noise ratio of an analog to digital converter having full scale range of ±1 volt for seven bit word length is 42dB. The approximate value of signal to quantization noise ratio for 9 bit word length is
The output noise variance due to an 8-bit ADC of a first-order filter with \[ H(z) = \frac{1}{1 - 0.25z^{-1}} \] for the input signal with noise variance \( \sigma^2 \) is