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Awalker's cassette tape player uses four AA batteries in series to provide 6V to the player circuit. The four alkaline battery cells store a total of 200watt-seconds of energy. If the cassette player is drawing a constant 10mA from the battery pack, how long will the cassette operate at normal power?
The cutoff frequencies of a series resonant circuit are 5400 Hz and 6000 Hz. a. Find the bandwidth of the circuit. b. If Qs is 9.5, find the resonant frequency of the circuit. c. If the resistance of the circuit is 2-ohm, find the value of X and XC a..
The U.S. Digital Cellular provider uses a TDMA scheme for multiple access. It uses a 48.6 kbps data rate and supports three users per frame. Each user occupies two of the six time slots per frame. Compute the raw data rate provided for each user.
An array is defined as: ARRAY DB 2 DUP(5,2,2 DUP(4,7),6) The location of ARRAY is at 500H and DS = 0 Select an instruction to read the third copy of 4. Select one: a. MOV AL,ARRAY[SI] :where SI=10 b. MOV BL,[500] c. None of the answers. d. MOV [BX+SI..
Design a NMOS resistive load inverter for: VDD = 5V P = 0.2 mW when Vlow = 0.1V kn = 60 micro Ampere / V^2 VTN = 0.25V Find the load resistor and the W/L ratio for the switching transistor.
Let us assume that a synchronouse 3 phase alternator produces a no-load line voltage of 13.2 KV. if a load having a lagging power factor of 0.8 is connected to the machine, must the excitation be increased or decreased
1) For a forwarard converter, derive the minimum value of Vr - as a function of the input voltage Vg, the duty cycle D, and the turns ratio N1/N2 - that will cause the transformer magnetizing current to be reset to zero by the end of the switching..
A 2 GHz and 100 Watt transmitter is connected to a transmitter antenna with a gain of 12 dB. A 20 dB receiving antenna is placed 10 kilometers away, in what we assume to be free space, in the direction of maximum gain.
Describe the difference between a N-Channel and a P-Channel CMOS transistor when a signal is applied to the gate
How many different code words are there How many code words have exactly two 0's. If 0 and 1 are equally likely, what is the probability to obtain a code word with exactly two 0's
What is the advantage of building circuits using only NAND gates instead of the appropriate AND, OR, and NOT gates
A sinusoidal voltage source is zero at t = 0.2 microseconds and is "going positive" at that point, meaning that v(t') > 0 for t' = 0.21 microseconds. Furthermore, the voltage at t = 0 is -28 milliVolts and its next zero is at t = 8.2 microseconds
The voltage ratings are 4800v rms and 240v rms for the primary and secondary windings, respectively. The transformer is rated to 10KVA. Now we want to use this transformer at 120Hz. Discuss the factors that must be considered in setting ratings ap..
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