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the atomic weight of sodium is 23 and the density is 0.97*103 kg/m3. calculate the number of electrons in a cubic meter of sodium.
In the early days of Op Amps, banks of Op Amps were used for computing mathematical expressions. Describe how you would configure them to do, say a complex calculus function. Feel free to share a diagram.
If you have 1024 samples of a discrete-time band-limited signal sampled at a rate of 100MHz. what is the time period between samples. If you take a 2048 point FFT of the sampled signal, what will be the freuqency spacing between the output samples..
Draw a block diagram that shows the various stages required in a linear (conventional) power supply. Explain the purpose of each stage.
a machine processor address a maximum 2^24 bytes of memory. What is the maximum number of 32 bit words that can be store in memory.
A single-phase load is supplied with a sinusoidal voltage v(t) = 200 cos(377t) The resulting instantaneous power isp(t) = 800 + 1000 cos(754t ¡ 36:87±) (a) Find the complex power supplied to the load.
A signal is modulated by BPSK and transmitted over an AWGN channel. At the receiver, the bit error rate performance is 0.001
design the logic to control the temperature in a green house. the temperature between 72 degrees and 80 degrees if the tem is below 72 degrees, a heater must be activated if the tem is above 80 degrees a cooler must be started.
Consider a particular communication system that the threshold is 1.5. If the signal energy falls below the threshold, the system is in the outage state. What is the outage probability P?
Design a single state amplifier that satisfies the following specifications. State the transistor used and show all equations. 1. The voltage gain is greater than or equal to 0.9 and less than or equal to 1.0 2. The source resistance is 10k ohms
A rectangular chip has a top surface of 0.5 cm by 2 cm cooled by air at 20 oC with h = 150 W/m2.K. There are also 16 connector pins, 1 mm wide, 0.5 mm thick, 6 mm long and k = 60 W/m.K attached to a circuit board at 30 oC.
Consider a p-type Si sample with a resistivity of 0.5 cm. The doping level is uniform throughout. In a certain portion of this sample, there is an electric field of a magnitude 1000 V/cm.
A) Convert the following Switch Algebra function into NOR-NOR implementation (Draw the logic and then convert it into NOR-NOR): F = W X + Y Z +W Y Z B) Convert the following Switch Algebra function into NAND-NAND implementation
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