Recent questions tagged gate1996-ec

A dynamic $\text{RAM}$ cell which hold $5 \mathrm{~V}$ has to be refreshed every $20 \mathrm{~m}$ secs, so that the stored voltage does not fall by more than $0.5 \mathrm...

A $10$ - bit $\text{ADC}$ with a full scale output voltage of $10.24 \mathrm{~V}$ is designed to have $\mathrm{a} \pm \mathrm{LSB} / 2$ accuracy. If the $\mathrm{ADC}$ is...

A memory system of size $26 \mathrm{~K}$ bytes is required to be designed using memory chips which have $12$ address lines and $4$ data lines each. The number of such chi...

The following sequence of instructions are executed by an $8085$ microprocessor:$\begin{matrix}1000 &LXI & SP &27 \; FF \\ 1000 &CALL & & 1006\\ 1006 &POP \; H & & \...

The number of bits in a binary $\mathrm{PCM}$ system is increased from $n$ to $n+1$. As a result, the signal to quantization noise ratio will improve by a factor$\frac{n+...

The autocorrelation function of an energy signal hasno symmetryconjugate symmetryodd symmetryeven symmetry

An $\text{FM}$ signal with a modulation index $9$ is applied to a frequency tripler. The modulation index in the output signal will be$0$$3$$9$$27$

The critical frequency of an ionospheric layer is $10 \; \mathrm{MHz}$. What is the maximum launching angle from the horizon for which $20 \; \mathrm{MHz}$ wave will be r...

A $1 \mathrm{~km}$ long microwave link uses two antennas each having $30 \mathrm{~dB}$ gain. If the power transmitted by one antenna is $1 \mathrm{~W}$ at $3 \; \mathrm{G...

Some unknown material has a conductivity of $10^{6} \; \mathrm{mho} / \mathrm{m}$ and a permeability of $4 \pi \times 10^{-7} \; \mathrm{H} / \mathrm{m}$. The skin depth ...

In the circuit shown in the figure is $(a)-(c)$, assuming initial voltage and capacitors and currents through the inductors to be zero at the time of switching $(t=0)$, t...

(a) Cascade amplifier(b) Differential(c) Darlington pairdoes not provide current gainis a wideband amplifier amplifierhas very low input common-emitter impedance and very...

(a) A shift register(b) A multiplexer(c) A decoder canfor code conversion can be usedto generate memory can be used chip selectfor parallel-to-serial be used conversionas...

(a) Capture effect is (b) Granular noise(c) Guard band isan $\text{AM}$ system a characteristics ofan $\text{FM}$ system occurs ina $\text{DM}$ system required ina $\text...

(a) SSB Modulation(b) $\nabla \cdot \overline{\mathrm{B}}=0$(c) Model dispersionTransmission lineHilbert transformFaraday's lawAbsence of magnetic monopolesWaveguidesPhas...