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An amplifier has an input resistance of 100 Ω, an output resistance of 10 Ω, and a short-circuit current gain of 500. Draw the voltage amplifier model for the amplifier, including numerical values for all parameters. Repeat for the transresistance and trans-conductance models.
A two-stage amplifi er has these stage gains: Av1 =25.8 and Av2 =117. What is the decibel voltage gain of each stage? The total decibel voltage gain?
A voltage divider consists of two 56kohms resistors and a 15V source. Calculate the unloaded output voltage taken across one of the 56kohm resistors. What will the output voltage be if a load resistor of 1.0Mohms is connected across the output
two conducting spheres of radii R1 and R2 that have a very high conductivity are emmersed in a poorly conducting medium of conductivity and permittivity e. the distance d between the spheres is very large in comparison with the radii.
a certain radio frequency generator delivers a power level of 12 dBm. If this signal is amplified, calculate how many decibels of gain is required to produce a power of 20 dBm.
A 117 V(rms), 60Hz household circuit has two 75 Watt lights,PF=1, and a fan using 500VA at 0.78 PF (lagging). A) Draw the circuit, representing each load by its impedance. Include the switches for each load. B) Determine the total current required fo..
I need a survey paper on Wavlete and Subband Coding. I need 10 pages and I will provide the referances to you.
A Si (ni = 1 e+10 cm^-3, eps = 11.7) p-n junction is doped with NA = 5.2 e+18 cm^-3 and ND = 8.4 e+14 cm^-3. What reverse bias (the absolute value) should be applied to the junction, in order to achieve the maximum electric field of 3.89E+4 V/cm
Design a 2-digit 24 second "shot-clock" countdown timer with pushbutton controller.
A three phase ac machine with sinusoidally distributed windings has a 3-phase inductance, Lm = 40 mH . Balanced three phase voltages are applied to the stator with line-line voltage,VLL = 208V ( RMS ) , at 50 Hz.
Each X-valley has "jelly-bean" shaped constant-energy surfaces with one effective mass (the longitudinal,ml*) along the long axis and equal masses (the transverse,mt*) along each of the two short axes. Find the Density of States mass associated wi..
A dc shunt machine is connected to 220 volt supply and is running at speed of 1200 r.p.m . its armature current is 60 amp and the torque of its shaft is 95 Nm . show whether the machine in running as a motor or generator.
Design a circuit that satisfies the equation VOUT = - 3 * VB - 2 * VA. Draw the circuit schematic identifying supply voltages and show your work on component selection
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