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What is the primary source of distortion with a Class B amplifier. What are some ways the distortion can be minimized and discuss the tradeoffs that exist when implementing these distortion minimizing methods.
The amplifier is connected to the handset antenna which has an impedance of 35 + j10 at one unspecified operating frequency. Find the inductive reactance and capacitive reactance needed to match the transmitter output to the antenna
Indicate the use of each memory in the microcontroller (HCS12). In other words, state which one is used for code, program variables, and variables that must remain when the power is turned off.
Write the mathlab program to plot the modulation index necessary to keep the Vdc constant at 1200v when the input power factor angle is varied from -60 degrees to 60 degrees.
The outputs of two "NAND" gates are connected to the inputs of an "Exclusive Or" gate. Each of the "NAND" gates has one input at a logic high level, and the other input at a logic low level. What is the output of the "Exclusive Or" gate?
Consider a system equation \(s^{4}+s^{3}+s^{2}+2s+10=0\) Find its Routh Table. Determine if the system is stable , marginal stable, or unstable.
Box 1 contains 1000 Integrated Circuits of which 10% are counterfeit. Box 2 contains 2000 Integrated Circuits of which 5% are counterfeit. Externally, all IC's look identical. Two integrated circuits are picked from a (single) randomly selected bo..
A circular loop TV antenna with 0.01 m2 area is in the presence of a uniform -amplitude 300 MHz signal. When oriented for maximum response, the loop develops an emf with a peak value of 20 mV. What is the peak magnitude of B of the incident wave?
The voltage across the load must remain between 4.7 and 5.0 V for all values of load current. Come up with (draw) a voltage-divider network to supply the load. You may assume that resistors of any value desired are available.
A wave in free space has a wavelength of 12 cm. This wave reaches a material in which the transmitted wave has a wavelength of 8 cm. lEl= 10V/m and lHl= 100 mA/m. Find the frequency of the wave, along with the permitivity and permeability of the m..
Using coppers resistivity of 10.30 CM-olm/ft at +25 °C, find how long a 1 inch square bar of copper would need be to have a resistance of 1 at +20 °C
The system has total capacitance CT = 1.0 muF (10 ^ 6 Farad) and average frequency in use at 10kHz. The transformation of battery power to power inn the microcontroller and additional components occurs with virtually no losses.
The waveform output by the signal generator in part (b) is changed so that the rectangular pulses have the same width but no longer are periodic. They occur at random intervals of time. Explain in words how the display on the spectrum screen would..
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