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Discuss the advantages of using an emitter bias configuration.
Discuss the various ways to recognize transistor saturation.
An op-amp is connected in the noninverting amplifier configuration. A gain of 21 is achieved using resistors ofvalue 1Mohm and 50 kohms in the feedback circuit. The signal source is connected to the v+ terminal via a 100 ohm resistor.
The proportion of bottles that actually have such a flaw is only 0.0002, If a bottle has a flaw, the probability is 0.995 that is will fail the inspection. If a bottle does not have a flaw,the probability is 0.99 that it will pass the inspection.
The system uses a 7-cell reuse pattern. If the offered traffic per user is 0.03 Erlangs and the average number of calls per hour per user is 1.5, for an Erlang-C system with a probability of delaying a call being 5%, calculate the traffic load per..
Find the current i1 through a branch connected to a node of an ac circuit, knowing that i1 enters the node and connected to the same node are three other branches carrying the currents: i2 = 14.6 sin(377t - 15°) A, leaving the node,
A processor has a 32 MB cache and a 64 bit data bus. What is the minimum width of the address bus needed to access the entire cache
For the difference equation below, find the impulse response by first solving without any transforms. Assume sequence is zero-valued for n
1 Derive the output voltage across the series circuit as a function of time in standard form. 2 Convert the output voltage to laboratory form. 3 Convert the output voltage to exponential form. 4 Derive the average power delivered to the resistor in o..
An alarm is powered by 120 VAC, and the on/off state of the alarm is controlled by an EM relay. Design the interface between a computer output port and the EM relay. The dropout voltage is 3.5 V, and the coil current needs at least 100 mA.
(a) Find the locus of the closed-loop roots (poles) with respect to K; (b) Is there a value of K that will cause all roots to have a damping ratio greater than 0.5 (c) Find the values of K that yield closed-loop poles with the damping ratio
A 200-kVA, 2300\230-V, 60-Hz transformer operating at rated voltage in the step-down mode is supplying 150 kVA at 0.654 power-factor lagging. Assume the transformer is ideal. Determine (a) secondary current; (b) impedance of the load; (c) primary ..
It is often preferred to use a FET for the RF amplifier in an AM receiver. Can you explain why?
Find an expression for the scalar electric potential at any point on the axis of the ring. Indicate clearly your coordinate system and its geometry. Check the limiting case as the field point recedes to infinity.
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