List of top Questions asked in TANCET

Match the following: For 8086 microprocessor 

On a radio frequency transmission line, the velocity of signals at a frequency of 125 MHz is \( 2.1 \times 10^8 \) m/sec. What is the wavelength of the signal on the line?
When an arbitrary length of any general transmission line, is terminated in an open circuit or a short circuit, its input impedance is determined completely by
In the absence of attenuation on the line \( (\alpha = 0) \), the Voltage Standing Wave Ratio (VSWR) is
Consider an air filled rectangular waveguide with a cross section of 5cm x 3cm. For this waveguide, the cut off frequency (in MHz) of \(TE_{21}\) mode is
Transfer characteristics of JFET is drawn between
Calculate the value of LSB and MSB of a 12-bit DAC for 10V.
Which of the following Light source is popularly used in optical communication?
The Numerical aperture of a fiber describes the __________ characteristics.
When mean optical power launched into an 8 km length of fiber is 12 \(\mu\)W, the mean optical power at the fiber output is 3 \(\mu\)W. Find the overall signal attenuation in dB
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,
Forward current of 75mA passes through a diode for a forward drop of 0.6V. Find the forward resistance of the diode.
Early effect in bipolar transistor is caused by
Find the operating region of N-channel MOSFET with VGS = 1.4V, VTN = 0.5V, VDS = 1.8V
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
A linear, bilateral, electrical network produces 2A current through a load when the network was energized by a 20V source. If the network is energized by 40V source, the current through the load will be
Find the differential mode gain of differential amplifier with CMRR of 5200 and common mode gain of 0.015V/V
Why the feedback circuit is said to be negative for voltage series feedback amplifier?

Which type of filter is shown in the figure?