A two-port bridge connects on the end of a cable of length X m. to the end of a similar cable of length 3x/2 m. Hosts are attached at various points on the cable system, which operates as a shared-access LAN implementing the CSMA/CD protocol with a minimum frame length of 512 bits. The bridge imparts a delay in forwarding frame
Suppose a router has built up the routing table shown in Table below. The router can deliver packets directly over interfaces 0 and 1, or it can forward packets to routers R2, R3, or R4. Describe what the router does with a packet addressed to each of the following destinations (see Attachment)
The three-phase half-wave converter in figure below is operated from a three-phase wye-connected 220V, 60 Hz supply and the load resistance is R=10 ohms. If the average output voltage is 25% of the maximum possible average output voltage, calculate the delay angle (alpha). See Attached File.
An Rl load as shown in figure below is controlled by a chopper. If load resistance R=0.25 ohms, inductance L=20 mH, supply voltage Vs=600V, battery voltage E=150V, and chopping frequency F=250 Hz, determine the peak-to-peak ripple current (delta I). See Attached File.
The waveforms of the current flowing through a diode are shown in the figure below. Determine the RMS current ratings of the diode.
What are Setup time, Hold time, Clock-to-Q delay and metastability problems
Sketch the Bode magnitude plots for the following functions: (a) T(s)=-10s/(s+20)(s+2000) (b) T(s)=10(s+10)/(s+1000) Bode plots were introduced in my second circuit analysis class, but I really didn't think it was important because it looked like an outdated tool no longer in use. Other than changing s to jw and plottin
The common-emitter circuit has an emitter bypass capacitor. (a) Derive the expression for the small-signal voltage gain Av(s)=Vo(s)/Vi(s). Write the expression in a form similar to that of equation (Av=(-Gm*Rpi*Rc)(Rs+rpi+(1+Beta)Re)*((1+s*taua)/(1+s*taub)). (b) What are the expressions for taua and taub? The circuit is
Often Netlist is generated by programs such as Cadence. However, on the rare occasions when one has to look at Hspice netlist, one should not be at a complete loss. Give a brief Hspice Netlist example that explains how to read and understand .hsp files.
Evaluate int_{0}^{infty}exp(-Ab^2)p(b)db, where b is a Rician random variable with the probability density function p(b)=2b(1+K)exp(-K-b^2(1+K))I_0(2bsqrt(K(1+K))), b>=0, p(b) = 0, b<0, where K is a constant and I_0(.) is the zero-order modified Bessel function of the first kind.
In the circuit shown (in the attachment) a ZL = 200 + j 100 Ohm load is to be matched to a 40 Ohm line, using a length, l, of lossless transmission line of characteristic impedance, Z1. Find l and Z1. Determine, in general, what type of load impedances can be matched using such a circuit.
Please help me find the impedance and the admittance matrices for each one of the two circuits in the attached file.
The frequency of the induced rotor currents in the rotor of a 60 Hz induction machine is 2 Hz. Furthermore, the fields in the air gap turn at -40 rpm with respect to the rotor. (a) Find the number of poles. (b) Find the slip of the motor. (c) Find the synchronous speed in rpm. (d) Find the motor speed in rpm. (e) Is this a
A 50 Hz induction motor operates in such a way that the slip is 1.45. (a) is this motoring, generating or braking? Explain (b) If the synchronous speed is 900 rpm, find the mechanical speed. (c) Find the number of poles. (d) Find the frequency of the rotor currents. (e) Find the speed of rotation of the magnetic field in th
1) Two identical diodes are connected in series with 100 ohms and a 2 V battery such that each diode is forward biased. Let Io = 10fA; n = 1, T = 25 degrees C. Calculate the loop current if (a) ideal diodes are assumed; (b) VD = 0.6 V for each diode; (c) each diode is represented by a piecewise-linear model that is exact at ID
A resistor, R, was connected to a circuit box as shown. The voltage, V, was measured. The resistor was changed and the voltage was measured again. The results are shown in the table. Determine the Thevenin equivalent resistance (Rt) of the circuit within the box. See attached file for full problem description.
The circuit shown in the attached figure was built in the laboratory and V0 was measured to be 6.25V. Verify this measurement using the voltage divider principle, whether measured result is consistent with the figure.
A security alarm for an office building door is modeled by the circuit as shown in the attachment. The switch represents the door interlock, and V is the alarm indicator voltage. Find the current through the inductor, iL(t), for t>0. The switch has been closed for a long time at t=0.
Draw the ladder diagram for the following PLC program. A batch process which involves filling a tank with liquid, mixing the liquid and draining the tank, is automated with a PLC. The specific sequence of events is as follows: When the start push button is pressed, a fill valve V1, opens and lets a liquid into the tank unt
How do we deal with a L1 cache that is Write-back Write allocate, and the L2 cache, which is a Write-through Write no-allocate?
In order to monitor the condition of a heavy duty electric motor, vibration analysis can be performed. Fourier analysis of the vibration of the motor, when new, results in the spectrum, as shown in the attachment, which comprises of four significant components. Given the amplitudes indicated in the above spectrum diagram, com
What is the relation between the conductance and the capacitance of two parallel conductors immersed in a lossy dielectric medium that has permittivity 'ε' and conductivity 'σ'?
Please see attachment for full question with diagram. (a) Calculate the change in output code from the ADC for the transducer if the gap is changed from 500 micrometers to 600 micrometers. (b) If the transducer was removed from the circuit what would be the DC offset voltage measured at the output? (c) What is the bandw
Three equal charges of 0.5 uC lie at the corners of an equilateral triangle ABC of side a. Find the force on the charge at point A if a = 20 cm . Please see the attachment for the diagram.
Two single turn circular coils share a common horizontal axis and are separated by a horizontal distance of 2.5m. The radius of one of the coils is 50 cm and it carries a current of 5 A. The radius of the other coil is 25 cm and it carries a current I in such a direction that the magnetic field which it produces in the oppositio
The distance l from a point at a height h above the Earth's surface to the horizon can be approximated using Pythagoras theorem by the expression: l = h * SQRT(1 + (2*re/h)) , where re is the radius of the Earth. (a) Sketch the dependence of l versus h on Cartesian axes. (b) Thus determine approximations for l by taking l