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You are designing the input stage for an amplifier used in abiomedical application. A high-impedance voltage sensor isdetecting the voltages generated by a human brain for producing an electro encephalogram. The input voltages are inthe range of a few micro volts. Contrast the utility of a BJTversus a MOS transistor for this input stage. How would yourchoice be different if the application were for a low impedancehall effect sensor used in a wheel rotation sensor for a car?
What is the minimum number of pins required for a socalled dual-op-amp IC package, one containing two op amps What is the number of pins required for a so-called quad-opamppackage, one containing four op amps
A compensated op-amp has an open loop low frequency gain of 10^5 and an open loop -3db frequency of 10 Hz. If an inverting amplifier with a closed loop low frequency gain of 100 uses this op-amp, determine the closed loop bandwidth.
Four Resistors are connected in parallel. what is the equivalent resistance if their individual resistances are r1 =100 Ohms ±5% tolerance r2 =470 Ohms ±5% tolerance r3 =330 Ohms ±10% tolerance r4 =1000 Ohms ±5% tolerance
A somewhat discharged automotive battery has an open-curcuit voltage of 12.5 V and supplies 50 A when a 0.1 ohm resistance is connected across the battery terminals.
Your design calls for a 4-way multiplexer. However, when you go to the stock room, all you can find is a 2x4 decoder, AND gates, OR gates, and inverters. Show how you can create the 4-way multiplexor with a single 2x4 decoder and the appropriate m..
A 5.00-g sample of vinegar is titrated with 0.108 MNaOH. If the vinegar requires 39.1 mL of the NaOH solution for complete reaction, what is the mass percentage of acetic acid, HC2H3O2, in the vinegar
The armture of 2 -pole , 200 volts , wave wound DC machine has 400 conductors and runs at 300 r.p.m . Calculate the useful flux per pole.
Design, a simple RLCcircuit which can be used to display both an underdamped andoverdamped natural response. The circuit design and componentvalues are up to you. The key is to keep it simple - asimple circuit, and a simple adjustment
Two cards are drawn at random from a single well-shuffled deck of playing cards. What is the probability of drawing the ace of spades followed by the jack of hearts. What is the probability of drawing an ace and a jack (in either order).
Assume that a given transformer is 100% efficient; that is, the power being supplied by the primary side is transported without loss to the secondary side. (Transformers are not 100% efficient. One can detect this by the heat that they radiate.)
A general relationship for the current density carried by electrons of density n is J = qnv, where q is the electronic charge and v is the electron velocity due to drift and/or diffusion. (a) Find the velocity of electrons, v(x), that are moving on..
The transformer input is a three wire three phase 120V (line-to-line) system. the transformer output supplies a "Y" connected three phase load with a phase impedance of 600 + j300 ohms. A. sketch the diagram of the system described above.
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