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A two resistor voltage divider employing a 3.3k ohm and a 6.8k ohm resistor is connected to a 9v ground referenced power supply to provide a relatively low voltage (close to 3V). Sketch the circuit. Assuming exact valued resistors what output voltage (measure to ground) and equivalent output resistance result? if the resistor used are not ideal but have a +-5% manufacturing tolerance what are the extreme output voltafes and resistances that can result?
If power Ps=10W, power gain factor G1=150, and power gain G2=14 dB, find the maximum value of LdB (path loss in dB) such that the power delivered to the resistor is -85 dBm.
Three amplifiers with power gains of 15, 22, and 7 are cascaded. The input power is 120 µW. What is the output power of the final amplifier stage
A 1 W power source is connected to the input of a directional coupler with C=20 dB, D=35 dB, and an insertion loss of 0.5 dB. Find the output powers (in dBm) at the through, coupled, and isolated ports. Assume all ports to be matched.
A Newton's ring apparatus is to be used to determine the radius of curvature of a lens (see the figure below and Problem 75). The radii of the nth and (n+16)th bright rings are measured and found to be 0.129 and 0.317 cm
transfer function: T(s)=1/(0.1s+1) with all initail conditions at 0 a) if the input is 1.5sin(2t)*u(t) find the steady state value of the output b) after the input is applied, approximately how long will it take for the steady state value you found i..
If the semiconductor depicted in the graph below is germanium at room temperature, what is the value of n (the density of electrons in the conduction band) at x=L
Hard to find all the information, Just want to ask for people who can give some good webside which can provide all the informationat at lease price,maximum output power, voltage, and current per module; short circuit current; dimension; weight; ma..
A self-excited DC shunt generator is delivering 20 A to a 100-V line when it is driven at 200 rad/s. It is known that Ra=1.0 ohms and Rf=100 ohms. When the generator is disconnected from the line, the drive motor speeds up to 220 rad/s
A load consists of a resistance R in parallel with a capacitor of reactance X. The load is fed from a single phase supply through a line of impedance 8.4 + j11.2 ohms. The rms voltage at the load terminal is 1200 at 0 degress V rms,
A 25KW, 250V dc shunt generator has armature and field resistances of 0.06 ohm and 100 ohm respectively, determine the total armature power developed when working (1) as a generator delivering 25KW output and (2) as a motor taking 25KW
On a breadboards, hook up an IR LED to provide an infrared light source for signaling the phototransistor as shown in Figure 2 below. Use a pushbutton switch to turn the IR LED on and off.
A two-wire copper transmission line is embedded in a dielectric material with εr = 2.6 and σ = 2X10-6 S/m. Its wires are sperated by 3 cm and their radii are 1mm each. Calculate the line parameters R', L', G', and C' at 2GHz.
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