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design a Zener regulator with an output voltage of 7.5 v. the supply voltage can vary between 10 v and 25 v and the load current between 10 mA and 60mA.
design a circuit to limit the output voltage between -5v and+5v. the input is a sinusoidal source with a peak value of 10 v and a frequency of 1KHz.
A coil with an unknown resistance and inductance isconnected in series with a resistor of 12 ohms and a capacitor of168 micro farads. The circuit is connected across a 220V 50Hzsupply, with lagging
Design a 4-bit down counter with truncated sequence that count down a truncated sequence from 1111 to 0101. On reachingthe count value 0101, the counter must preset to 1111. Also draw its timing dia
The manufacturer of a 6 Volt dry-cell flashlight battery says thatthe battery will deliver 15 mA for 10 hours. During that time, thevoltage will drop from 6 Volts to 4.7 Volts. Assume the drop invol
There are four oscilloscopes , A ,B, C,D in a laboratory that areequipped with individual indicator circuits. There indicator circuits give our a logic 1 any time the scope mal functions.
The vaultdoor will be equipped with a vibration sensor that will cause aswitch to close it the vault is disturbed, ans a switch will bemounted on the bank door in such a way that i will close whenev
A home entertainment center has four different audio sources that can be played over the same set of speakers. Each audio source, named A,B,C,D, is connected using 8 wires on which the digitizedaud
Design a 4-bit down counter with truncated sequence that countdown a truncated sequence from 1111 to 0101. On reaching the countvalue 0101, the counter must preset to 1111. Also draw its timing diag
Three incandescent lamps rated 60 W, 120 V are connected is delta. What line voltage is needed so that the lamps burn normally
Three resistors are connected in delta. If the line voltage is 13.2 kV and the line current is 102.2 A, calculate the following: a. The current in each resistor. b. The voltage across each resistor. c
The following binary numbers have a sign in the leftmost position and, if negative, are in 2s complement form. Perform the indicated arithmetic operations and verify the answers. a.) 110001 - 010010
Implement the following Boolean function with an 8-to-1-line multiplexer and a single inverter with variable D as its input: F(A,B,C,D)= Em(2,4,6,9,10,11,15)
Calculate the corrosion rate in mpy, pm/y, and mdd. What is the ranking of this carbon steel in this acid environment and determine the effect of time on the solution corrosiveness and the carbon stee
Design a filter with lower frequency cut-off: 10Hz, upper frequency cut-off: 2KHz, gain of 5, and an input resistance greater than 5kOhms.
On the right side, we have an inductor and a impedance 2+4i and another impedance 20<30 ohms and the voltage across it is V3. The ratio of the circuits are 2:5 from left to right respectively. We
A 3-phase,4pole star connected turbo alternater has a cylindrical rotar. The reactance and resistance perphase of winding is 2.5 ohms and 0.15 ohms.The alternater hasterminal potential difference of
An NRZ-L signal is passed through a filter with r = 0.5 and thenthen modulated onto a carrier. The data rate is 2400 bps Evaluate the bandwidth for ASK and FSK. For FSK assume that the twofrequencie
Desing a combinational circuit that accept a 3-bit numbuer and generates a 6-bit binary number output equal to the squre of the i/p number.
In discovering a material that would be superconducting above room temperature, so that no refrigerant would be required. Suggest how the properties of such superconductors could be valuable in eac
Consider a diode with n=1 which biased at 2mA. Find the change incurrents as a result of changing the voltage by (a) -10mv (b) +5mv(c) +10mv , using small signal model and exponential model
plot the magnitude and phase (bode plots) of the following transfer function in the frequency range of 0.1 to1000rd/sec. Fs=(s+10)(s+50)/200s2
Calculate the drift current in cylindrical piece of material (crossection is 1cm2) with conductivity 10E3 1/Ohm*cm if the internal electric field directed along cylinder axis equals 10 V/cm.
Show that H(s) is invertible with an LTI inverse that is causal and stable (meaning, we can implement the inverse system) if and only if all poles and zeros of H(s) are strictly in the left half pla
Explain how to find a causal, stable LTI system with rational Laplace transform G(s), such that, at least,the magnitude frequency response of H(s) is inverted; i.e.,|G(jω)| = |H(jω)-1|.