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In a DSSS multiple user system, how many simultaneous users may be supported such that an average BER of less than 10E-3 is maintained for each user if the average Eb/No=10dB, and a Pg from a straight code of 11 bit shift register length or the Npg = (2^11- 1) since we do not consider the 00000000000's state.
Use the DSSS Pe Formula in which the thermal noise Eb/No is not a factor.
Convert the value: $2103.25 using an IEEE standard 4 byte (32 bit) float floating point number representation. Identify every bit of the 32 bit number holding this record by first converting the number 2103.25 from decimal to binary
Find the Laplace transform of a rectangular voltage pulse that is 0 V until time 0 s, then jumps to 5 V and stays there until time 2 ms, then returns to 0 V and stays there after time 2 ms. Hint: express the pulse in terms of unit step functions.
1. A potentiometer with a total range of 350° is supplied with a voltage of 12 Vdc. Find the output voltage for an angle of 135°. 2. An absolute optical rotary encoder has five tracks. How many bits is the output.
Problem Feeder - Transformer, A single-phase load is supplied through a 35 kV feeder whose impedance is 115 + j380 Ohms and a 35 kV, 2400 V transformer whose equivalent impedance is 0.26 + j1.21 Ohms referred to its low voltage side.
Write an equation to help determine P-type body doping concentration Na for a required threshold voltage V (sub TN) for an N-channel Al-Sio(sub 2) -Si MOSFET. Use the equation to design an N-MOSFET with a thershold voltage of 10V
If inductive load has a 2ohm resistance and 2microhenry inductance in series with a 120V/60Hz source and a capacitor is connected parallel to the entire load so no reactive power is being delivered by the source what is the capacitance value.
A three-phase steam-turbine synchronous generator is connected to an infinite bus. The generator excitation current is IF=1000 A at the time of synchronization with the bus. The generator has a synchronous reactance of Xs =1.5 per unit.
A platinum resistance coil has a resistance at O0 C of 100 . Determine the change in resistance that will occur when the temperature rises to 30°C if the temperature coefficient of resistance is 0.0039 K-1.
Discuss different applications that could use non-inverting and inverting amplifier circuits. Will the actual op amp characteristics cause any challenges if used for each application What effect will high source resistance have on your output volta..
a. A WLAN uses the 1-Mbps IEEE 802.11 infrared standard and the 16-PPM modulation scheme. Compute the period of transmission (time between bits). b. What is the average time between pulses (1 values) and the corresponding average rate of pulse tran..
In a simple model of the hydrogen atom an electron has a circular orbit of radius 5.0 x 10-11 m around a stationary proton.(a) the magnitude of the electrical force exerted by the proton on the electron, (b) the speed of the electron in its motion ar..
A 75-kVA, 230-V/115-V, 60-Hz was tested with these results: Open-circuit test: 115 V, 16.3 A, 750 W; Short-circuit test: 9.5 V, 326 A, 1200 W Determine the equivalent impedance in high-voltage terms.
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