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specify the parameters Rin, Avo, and Ro of an amplifier that is to be connected between a 100k ohm source and a 2k ohm load and is required to meet the following specifications:
A. No more than 10% of the signal strength is lost in the connection to the amplifier input;
B. If the load resistance changes from the nominal value of 2k ohms to a low value of 1k ohm, the change in output voltage is limited to 10% of nominal value, and;
C. The nominal overall voltage gain is 10V/V. This question is 5.81 from the sixth edition of microelectronic circuits by Sedra/Smith.
Suppose that two optical guides embedded in a substrate such as LiNbO3 are coupled as in the below figure and the transmission length Lo=10mm. If the coupling separation d is =10µm, n = 2.2, the operating wavelength is 1.3µm
Consider the following MATLAB code: a = 0:(1/9000):4; % vector of time samples b = 100*a; % instantaneous frequency x = sin(4*pi*b.*a); (a) How many samples are in vector a, b, and x, respectively
Write at least one paragraph explaining why the power factor of the motor changes as the rotor mechanical speed changesin the induction motor. evaluate when the machine is operating in motor mode or generator mode.
Sketch the Capacitance-Voltage characteristics for both devices based on part (d) by giving appropriate labeling to the voltage and capacitance axis. You may assume high f measurements.
Memory storage and bit density, A hard disk contains four Platters. Each side of the platter is coated with a magnetic oxide, allowing data to be stored on it. The platters are 3.5 inches in diameter.
Design a clocked synchronous state machine with the state/output table shown below. Use D flip flops. Also use two state variables Q1 and Q2 with the state assignment AA = 00, B = 01, C = 11, and D = 10
Create the Walsh code matrix for a W16. (c) For IS-95, on the forward link, list the Walsh code assigned to the various logical channels (hint: there are 64 Walsh codes)
A balanceed three-phase load of 15 MA with a lagging load factor of 0.85 is supplied by a 115KV subtransmission line. if the line impedance is 50+j100Ohm per phase, determine the following: (a) The line current of the load.
A portable battery supplies electricity to an external circuit for 2 hours. The voltage across the terminals of the battery is observed to increase from initial voltage of 5V to 10V (linearly) and the current increases from 1A to 2A (linearly) in ..
Assuming that only integer multiples of a unit bipolar transistor having IS = 3 x 10-16A can be placed in parallel, and only a single voltage source, VB, is available (Fig. 4.54), construct the required circuit with minimum number of unit transist..
A unity feedback control systems for a robot submarine has a plant with a third-order transfer function G(s) = K / (s(s + 10)(s +50)) We want the overshoot to be approximately 7.5% for a step input
An AB latch operates as follows: If A = 0 and B = 0, the latch state is Q = 0; if either A = 1 or B = 1 (but not both), the latch output does not change; and when both A = 1 and B = 1, the latch state is Q = 1.
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