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Suppose the quadrature up conversion mixers in a GSM transmitter operate with a peak baseband swing of 0.3 V.
If the TX delivers an output power of 1 W, determine the maximum tolerable input-referred noise of the mixers such that the transmitted noise in the GSM RX band does not exceed -155 dBm.
Two Loads are in parallel with a 2000 Volt sinusoidal source.Load 1 draws 40 Amps at 0.5 lagging power factor. Load 2 draws 15Amps at 0.8 leading power factor. (a) Make a table showing each load and its complex power
Explain briefly why a capacitor can block DC voltage. How might you use this feature in a design. Explain why the impedance Zeq of a parallel RC circuit decreases as the frequency increases.
A 3-phase 230 V, 9 kVA, 0.9 PF (lagging) load is supplied by 10 kVA, 1330/230 V, 60 Hz three-phase transformer connected in Y-?. The equivalent impedance of transformer referred to the low-voltage side is 0.12 + j0.25.
A 10-uF capacitor has a voltage with the following time dependence:v(t)=20*[1-exp(-0.2*t)] in unit of Volt. Determine the current, power, and energy of the capacitor as a function of time
Design a 2's complementer with a shift register and a flip-flop. The binary # is shifted out from one side and it's 2's complement shifted into the other side of the shift register.
A p-channel MOSFET with VTP = -0.5 V has a drain current of 0.5 mA when VSG = 2.08 V and VSD = 5 V. Determine the value of the drain current when VSG= 3 V and VSD= 4 V
a mealy sequential network has two inputs andone output. if the total number of outputs recieved is >=4 andat least three pairs of inputs have occured,then the output shouldbe 1 coincidence with the last input pair in the sequence.
Conventional current flow and electron current flow are two different ways of establishing the direction of the current in an electrical circuit.- Which method are you more comfortable with?
1-Explain the operation of common emitter (CE) and common base (CB) in NPN amplifier 2-Explain the operation of common collector (CC) in NPN and PNP amplifiers 3- What is the relationship between the input and the output in NPN and PNP amplifiers and..
A 480-120 volt, 5kVA, 2-winding transformer is to be used as an autotransformer to supply a 480-volt circuit from a 600-volt source. When tested as a 2-winding transformer at rated load, 0.8 pf lagging, its efficiency is 0.965.
What is the role of the variable resistor and capacitor? The 555 timer has a DIL layout. What does DIL mean? How many types of multi vibrator circuits are there? Define Monostable Multivibrator.
The undamped angular frequency of the transient speed oscillations, and the damping ratio of the system.
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