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Consider a path with discrete points A,B,C,D and E. It takes 2 pJto move an electron from A to B or from B to C. It takes 3 pJto move a proton from C to D. It takes no energy to move an electron from D to E.
a. What is the potential difference (in volts) between A and B?(Assume + refrence at B)
b. What is the potential difference (in volts) between D and E?(assume + refrence at E)
c. What is the potential difference (in volts) between C and D?(assume + refrence at D)
d. What is the potential difference (in volts) between D andB(assume + refrence at D)
Assume that the memory locations M[$20], M[$21] and M[$22]. Write a 68HC11 assembly language program (with lots of comments) that will determine the sum of the largest two numbers and store its value in M[$23].
if we have an amplifier whose spec. is 2nV/rtHz and the bandwidth of the amplifier extends from 100Hz to 10kHz, and the gain of the amplifier is 5, how much noise should we expect at the output of the amplifier
Design a Miller integrator with a time constant of 0.1 s and an input resistance of 100 k ohm. A dc voltage of -1 volt is applied at the input at time 0, at which moment vO = -10 V. How long does it take the output to reach 0 V to +10 V
The following represent soulution of the transmission line disserential equations for some arbitrary function f(u): V(z, t) =60 cos(1000t -5z) -120 pi f (2t +z/100 +12) V i(z, t) = 2 pi f (2t +(z/100) +12) - cos(1000 t -5z) A a) what is the forward p..
Given two NPN BJTs having b = 100 and ro = 100 KW. Using a single 5V dc power supply, design a differential pair amplifier having 1mA bias current in each transistor. What is its maximum gain for linear operation (balanced input, unbalanced output..
Develop the pseudo-code below for a program that will retrieve 2 bytes (NUM1 and NUM2) from memory, determine which is closest to the numeric value 50, and indicate the result by setting a variable named "CLOSEST" to 1 (if 1st byte is closest) or ..
A modulating signal consists of two sinusoidal components: 1 kHz and 3 kHz. The transmitter carrier frequency is 80 kHz. If the signal is applied to an ideal DSB transmitter, indicate the output frequencies (in kHz).
An RC circuit with a time constant T = 30 msec has reached a steady state of 2 V at time t = 0. The circuit is then suddenly switched to ground (0 V). Calculate the time required for the voltage to fall to 1 V.
Consider the BJT differential amplifier when fed with a common-mode voltage VCM . As is often the case, the supply voltage VCC may not be pure dc but might include a ripple component vr of small amplitude and a frequency of 120 Hz.
An unknown semiconductor has Eg = 1.1 eV and Nc = Nv. It is doped with 10^15 cm^-3 donors where the donor level is 0.2 eV below Ec. Given that Ef is 0.25 eV below Ec, calculate ni and the concentration of electrons and holes in the semiconductor ..
Write a VHDL description of a BCD-to-Binary converter. Initially a three-digit BCD number is placed in the A register. When St signal is recieved, conversion begins, and the resulting binary number in stored in register B.
In a balanced three-phase system the Y-connected impedances are 3∠60°Ω. If V_bc=480∠-75° V, find current of phase "b" in polar form.
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