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Write the scattering matrix for a nonideal symmetric hybrid coupler in terms of the coupler parameters, C, D, I, and L, as defined in (7.20). Repeat for a nonideal antisymmetric hybrid coupler. Assume that the couplers are matched at all ports.
A dc shunt motor of 50 hp, 250 V is connected to a 230 V supply and is drawing an armature current of 200 A, and is running at speed of 1200 rpm. Its armature resistance is Ra = 0.2 ohms.
An indecisive student contemplates whether he should stay home ortake his final exam, which is being held 2 miles away. Starting at home, the student travels half the distance to the exam venue before changing his mind.
For use in a liquid crystal display, you want an electrode that is transparent to all visible light. You decide to use a doped semiconducting oxide with a mobility of 10^(-2) m^2/V-s. What is the maximum conductivity you can expect from your oxid..
A Complete Guide about Solar Panel Installation with Step by Step Procedure and with Calculation and Images
The number of turns in the primary and secondary windings of a transformer are 80 and 20 respectively. The reluctance of the core is 64x10^3 A/Wb . The primary is connected to a voltage source, Vpri(t) = 170 sin (377t) V
a. How many poles are on the rotor winding of the induction motor? b. If the stator field in the induction machine rotates in a clockwise direction, what is the rotation direction of its rotor?
Design a 4-bit "adder/subtractor/comparator" circuit with inputsand outputs. it will have as inputs a control input SUB/ADD' amdtwo four-bit two's complement numbers, A4-A1 and B4-B1. It will have as outputs a four-bit two's complement number S4 -..
Show the truth table for the circuit. Find a simplified expression for each output. Simplify Boolean algebra or K-maps
Ten multimode glass fibers (n1 = 1.48, n2 = 1.45) are spliced together. Each fiber is 2 km long and has a loss rate 2-dB/km. Each splice adds 1 dB of loss. If the output power of the source is 7 dBm and radiates uniformly in a 60 degree half cone
The cast steel torroid shown below has a rectangular cross-section. If the flux in the core is known to be 7.75mWb and the coil has 200 turns, determine the current in the coil. dimensions on the torrid. 300mm id; 400mm od; 100mm tall
For the feedback voltage amplifier let the op amp have an infinite input resistance, a zero output resistance, and a finite open-loop gain A = 10^4 V/V. If R1 = 1 kOhms, find the value of R2 that results in a closed-loop gain of 100 V/V.
Three equal point charges Q form an equilateral triangle of side length a. How much work is needed to move one charge to the position halfway between the other two
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