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A typical 50,000 watt AM broadcast transmitter will generally have severallow power audio amplifier stages, a high power (~25,000 watt) audiooutput stage to generate the audio power that modulates t
a) Make a table showing each load and its complex power. b) Determine the total complex power and the overall power factor. c) Determine the magnitude of the total current supplied by the 600V source.
The sawtooth voltage pulse Vs(t) = 40t[u(t) - u(t-0.1)]V is applied to the series combination of R = 2Ω and C =0.05F. Find the two instants of time at which the capacitor voltage is 1 V.
At 2GHz, a certain material has εr=2.5,μr=1, tanθ=10-2. Calculate the distance a uniform plane wave can travel through the materialbefore a) its amplitude is reduced by 20%, b) the
apply the MACDtrading strategy to the closing price of QQQQ for the period from February 1, 2005 through September 1, 2005. What is the netgain over the time period assuming that your first order mu
using 25 nF capacitors and ideal op-amps, design a high pass unity gain butterworth filter with a cut off fq of 10 kHz and a gain of at least -25dB at 5kHz.
There is a generator with internal resistance, 50 Ohms. A matching load of 50 Ohms is connected for max power to be extracted. There exists 2 other resistors which do not equal to 50 Ohms; one res
2 coils are magnetically coupled. There are 2 possible conductance values when the coils are in series: 25 H and 23H. Calculate the value of coupling coefficient, K
a 60 Hz power generator is in series with a 800 Ohm resistor and 4 micro farad capacitor. Calculate the power concert.
An aluminum cylindrical strain gage load cell is to be specified tomeasure a force of 100,000lbs. The maximum stress in the metal isto be 20,000 psi, the modulus of elasticity is 9.5 x 106psi, and P
plot the output voltage for problem, when the supply voltage op-amp is (+ or -) 20V. however, the voltage gain is defined as Av = (Vout / Vin). and the output of the amplifier is limited by its voltag
If it is instrumented with four active strain gages on awheatstone bridge, two axial and two transverse as shown, with S,i.e. strain gage factor of 2.1, initial resistance of strain gagesR = 350 &Om
Four 1/2 W resistors are in series: 49-ohm , 64-ohm,109-ohm , and 125-ohm . To what maximum value can the current be raised before the power rating ofone of the resistors is exceeded
A car battery with a 14.2 V emf and aninternal resistance of 0.0380 is beingcharged with a current of 51.5 A. (a) What is the potential difference across its terminals
Sketch and explain the interface of PPI 82C55A to the 8086 microprocessor in minimum mode.Interface 8 LEDs to the port B of 82C55A. Interface 8 keys to theport A. Assume that port A of 82C55A is loc
It is used in a quarter Wheatstone bridge with three other fixed 100 W resistors. If the strain gauge constant is 2.0, find the output voltage when the input voltage to the bridge is 10 Volts and t
Indctance = 300nH/m, Capacitance = 53pF/m, Frequency = 0.02HzA coax cable... start with the general form of thecharateristic impedance state any approximations and find the expression for the charat
A coax cable has an inducance of 300nH/m and capacitance 53pF/m and carries very high frequency radio waves. Sart with the quantity gamma for transmission line, explain your approximations and find
An overflow occurs when the result of adding two number islarger than can be represented. for example, two 4-bit signednumbers will cause an overflow if their result is greater than +7or less than -
what is the range of numbers that can the represented by a 4-bit two's complement representation A 5-bit representation A 16 -bit representation
What conclusions can you draw about phase measurements in RC, RL, and RLC circuits? How does the phasechange as a function of the capacitance and inductance, and why What is the best technique for e
Describe what cross-over distortion is. What types of amplifiers is itmost prevalent in. How can it be controlled. When is itmost troublesome. How might it's level be specified inan amplifier design
A typical50,000 watt AM broadcast transmitter will generally have severallow power audio amplifier stages, a high power (~25,000 watt) audiooutput stage to generate the audio power that modulates th
Older versions of CMOS devices may have had input gate capacitances of 10pF, logic levels of 0-5V, and propagation delays of 10 ns. With smaller physical sizes, the same function might have an input