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Design an amplifier that provides 0.5 W of signal power to a 100 ohm load resistance. The signal source provides a 30-mV rms signal and has a resistance of 0.5 Mohms. Three types of voltage-amplifier stages are available:
(a) A high-input-resistance type with Ri = 1 Mohm, Avo = 10, and Ro = 10 kohms
(b) a high-gain type with Ri = 10 kohms, Avo = 100, and Ro = 1 kohm
(c) A low-output-resistance type with Ri = 10 kohm, Avo = 1, and Ro = 20 ohms
Design a suitable amplifier using a combination of these stages. Your design should utilize the minimum number of stages and should ensure that the signal level is not reduced below 10 mV at any point in the amplifier chain. Find the load voltage and power output realized.
Determine the peak-to-peak current ripple in the output inductor for a forward converter and determine the output voltage ripple of the converter . We know the following parameters: duty cycle d, input voltage Vin, turn ratio: N1/N2
A point charge is placed at the origin of the spherical system of coordinates. a) Calculate the total energy stored in the space between R=a and R=b (b>a); b) What is the energy stored between R=b and R=5b
1. The electron concentration in the conduction band of a GaAs sample is 10^5/cm^3 at room temperature. Is it p type or n type, how do you know 2. Based on the Kronig-Penny model, would you expect the bandgap of a semiconductor to increase
Sketch the baseband signals for the two users when user 1 sends the bits 011, and user 2 sends the bits 101. Add the signals for the first bit only, and show that the output of the correlator for user 1 is -4, corresponding to a 0
Develop the VHDL text file for a binary down-counter to divide a frequency by 32. Use Q as the outputs and CLK as the falling edge clock input.
A semiconductor, in thermal equilibrium, has a hole concentration of p0 = 2x1016 cm-3. The minority carrier life time = 3x10-7 s. (Assume, ni = 1010 cm-3)
Perform a link budget for a 25-kilometer point-to-point microwave link in the 30 GHz band. Calculate the free space loss (dB), received power dBm), fade margin (dB), and Fresnel zone radius(m) given the following: Tx Power = 70 dBm
Use the immediate addressing mode to add four to each value that is loaded to accumulator. Store the results in Locations 13-15. Let's assume that in Locations 10-12 we have the values 5, 6, and 7. After executing your code, the values in Location..
The receiver takes the three received bits and decides which bit was sent by taking the majority vote of the three bits. Find the probability that the receiver makes a decoding error.
A volume charge density of K Coulombs per cubic meter resides uniformly within the material of a long cylindrical shell whose inner radius is 1 m and whose outer radius is 3 m. Find D and E in all regions.
how does Intel's architecture differ from MiPS?
Two dc motors are compared. the first one is a 4hp dc motor which draws a current or 0.7A when the field is connected to a 150V source. the second, a 600 hp motor draws a field current of 5A when the field is connected to a 300V dc source.
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