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design an amplifier for use in recording theshort-circuit current of experimental electrochemical cellsversus time.( For this purpose, a short circuit is any resistanceless than 10Ω) The amplifier output is to be applied to astrip-chart recorder that deflects 1cm ±1 percent for eachvolt applied. The input resistance of the recorder is unknown andlikely to be variable, but it is greater than 10kΩ. Adeflection of 1 cm per milliampere of cell current with anaccuracy of about ±3 percent is desired. What type of idealamplifier is best suited for this application?
if the LM324 is a single supply Op Amp, how can it be used to amplify an AC signal that oscillates between a positive peak and a negative peak
The function f(t) is given as f(t) = [cost] -infinity
A 100-Ohm lossless transmission line is to be matched to a load with impedance ZL = 120 - j80 Ohm using a short-circuited stub. Use the Smith chart to determine: (a) the standing wave ratio, (b) the shortest distance from the load to the location ..
A series circuit consists of a 220V- source and 10k-ohm, 40k-ohm, and 60k-ohm resistors. Draw the circuit and find the voltage across each resistor.
A box contains resistors whose values are independent and areuniformly distributed between 100 and 120 ohms. If two resistorsare selected at random and connected in series, find a. the most probable value of resistance for the series combination
A p-type wafer has a diffused Phosphorous n-type junction with a junction depth of 0.15µm. a) If the wafer (no pre-existing oxide) is to be oxidized at 1000-oC for two hours to form a ‘dense, non-porous, high-quality' gate oxide.
(a) Using superposition, determine the voltage labeled vx in the circuit represented. (b) To what value should the 2 A source be changed to reduce vx by 10% (c) Verify your answers by performing three dc sweeps in PSpice.
Explain how energy efficiency can be traded off for bandwidth efficiency by multilevel modulation schemes. Rank the following modulation schemes: 64-ary PSK, Binary FSK, QPSK in terms of bandwidth efficiency and energy efficiency.
Can protons every flow through current? Even though in the overwhelming majority of cases the current flowing through a material is dominated by the movement of electrons"
Starting from rest, a 4.70-kg block slides 2.10 m down a rough 30.0° incline. The coefficient of kinetic friction between the block and the incline is k = 0.436. (a) Determine the work done by the force of gravity.
A meta dyne with a uniform air gap is driven at constant speed with a constant dc voltage applied to the q brushes the stator is unexcited. Determine the current in the two circuit and the voltage between the q brushes. what driving torque will be..
For a 12-bit linear PCM code with a resolution of 0.02 V, determine the voltage range that would be converted to the following PCM codes. (a) 1 0 0 0 0 0 0 0 0 0 0 1 (b) 0 0 0 0 0 0 0 0 0 0 0 0 (c) 1 1 0 ..
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