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Assume that two antennas are half-wave dipoles and each has a directive gain of 3dB. If the transmitted power is 1W.
The power level to the line is required to be restricted to -3 dB. The gain of the amplifier is fixed at 24 dB and its maximum input signal.
A splitter is a device that has a single input and several outputs. It is used to send a signal to several different locations.
Find the maximum winding resistance of the secondary winding if the transformer is to have 2% regulation at unity power factor.
A vertical line at a frequency of 150 kHz with a magnitude of 0.60 V and additional vertical lines at 200 kHz and 250 kHz with power levels below that at 150 kH
If the transmitter power can not be changed, what change would have to be made to the receiving earth station to increase CNR by 3 dB?
If they are now connected in parallel across the 150 V supply, find the total current and its power factor when the frequency is 50 Hz.
Xpu in terms of the fault level MVA and the base MVA.The fault level of a system or unit in a system.
A 9 V power supply delivers 2 A to a resistive load. The a.c. supply is 230 V, 50 Hz and a bridge rectifier is used in conjunction with a 0. 047 farad.
The wearout of a machine part has a lognormal distribution with s=0.5 and t_med=5,630 hours. What is MTTF?
Find current "i" for the op-amp circuit shown, assuming an ideal Op Amp (operational amplifier).
A sinusoidal voltage has a maximum value of 100V, and the value is 10V at t=0. The period is T=1ms. Determine v(t) for this sinusoidal voltage.
Assume that the input is a 60Hz signal with maximum voltage VM=100V and the load resistance R= 10kW.
In this question you have to determine the closed loop transfer function and then use the characteristic equation to determine the closed loop poles.
The outputs of two "NAND" gates are connected to the inputs of an "Exclusive Or" gate. Each of the "NAND" gates has one input at a logic high level.
Consider the given circuit; the voltage step is an "ideal" pulse going from 0V to 4V and then back to 0V; the pulse width is 5 microseconds wide.
How to plot a graph for the following RLC circuit which shows the magnitude of Z (the input impedance) as a function of frequency from 10Hz to 10KHz?
For the following circuit, how to find the Laplace transform of the transfer function V0(s)/V1(s)? Would this be considered a low or high pass filter?
A 5.1K resistor is connected between the cathode of a 6.2V zener diode and a 12V power supply. The anode of the diode is connected to 6V.
Find values for the resistances shown in the circuit below such that the circuit behaves as a difference amplifier with an input resistance of 30 kohms.
A first-order circuit, having a gain of 10 at dc and a gain of 1 at infinite frequency, has its pole at 20 kHz. Find its transfer function.
Find the load voltages Vout1 and Vout2 with one voltage alone driving the circuit in each case. Also find the net response by using the superposition theorem.
Current through 1µF capacitor is given as i(t) = 4 cos (?t) where ? corresponds to the frequency of 1 MHz.
A washing machine that sequences through the soak, wash, and spin cycles for preset periods of time.
The impulse response for a circuit is h(t)=e^(-t), t>=0. What is the response function of the circuit in the s-domain if the input is f(t)=cos(2t)?