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The voltage gain of an amplifier when it feeds a resistive load of 1.0 kΩ is 40 dB. Determine the magnitude of the output signal voltage and the signal power in the load when the input signal is 10 mV.
the telephone company has a fiber-optic line with time division multiplexing that runs from the united states to
Design a DC power supply that provides -95v +/- 5v to a 2 amp load (energy absorber). The input source is a 100 volt peak sinusoid, 60 Hz. You may use any circuit element we've studied. State the values of all circuit elements
A particular tachometer displays engine RPMs from zero to10,000.If the ADC accepts voltage levels from zero to fivevolts,in order to achieve full-scale representations from the tachometer, what should the output voltage be at 8500 RPM
If the amplifier is fed from a voltage source Vsig having a resistance Rsig = 1kΩ, find the transfer funtion Vo/Vsig as a function of the complex-frequency variable s and hence the 3-dB frequency fH and the unity-gain frequency ft.
Show a complete timing diagram for a 3-bit up/down counter that goes through the following sequence: 0, 1, 2, 3, 2, 1, 2, 3, 4, 5, 6, 5, 4, 3, 2, 1, 0. Indicate when the counter is in the UP mode and when it is in the DOWN mode. Assume positive..
If the supply frequency is 50 Hz and the line current is 3 A determine (a) the phase voltage and (b) the line voltage.
After the user enters the words, the program will determine which words would come first and last if the words were listed in dictionary order. The program must stop accepting input when the user enters a four letter word. Assume that no word is m..
When a forward bias is applied across a junction is the increased current flow due to movement of the Fermi level closer to the band edge or to lowering of the potential barrier. If you want to increase the space charge width on the n side of a p,n..
A phosphorus diffusion has a surface concentration of 5 x 10^18/cm^3,and the background concentration of the p type wafer is 1 x 10^15/cm^3.The Dt product for the diffusion is 10^-8 cm^2.
In a DSSS multiple user system, how many simultaneous users may be supported such that an average BER of less than 10E-3 is maintained for each user if the average Eb/No=10dB, and a Pg from a straight code of 11 bit shift register length or the Np..
The substrate concentration of a N-type semiconductor is ND=10^15cm^-3. the wafer is doped with NA= 1.1*10^15 cm^-3, so that a very lightly doped P-type region is created at the surface. What is the concentration of electrons in the P-type region
The current through a branch in a linear network is 2 A when the input source is 10 V. If the voltage is reduced to 1 V and the polarity is reversed, the current through the branch is a. - 2 A b. - 0.2 A c. 0.2 A d. Cannot be determined with the in..
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