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The Chopper controls a dc machine with an armature inductance of 0.2mH. the armature resistance can be neglected. the armature current is 5A, switching frequency is 30kHz and diode voltage is 0.8?
Design a common collector circuit using a npn silicon transistor having Beta=90 with Vcc=20 V The desired Q-point is Vce=14V and Ie=2mA
The total trace length on the printed wiring board between the IC power and ground pins and the decoupling capacitor is 1 in. a)To the limit the voltage transient of the IC to 0.01V, what is the minimum value decoupling that should be used
8 bit DAC with a 5 volt reference connects to a light source with an intensity given by Il=45V^(3/2)W/m^2 a. what is the range of intensity that can be produced b. what intensities are produced by digital inputs of 1bh, 7ah,9fh,e5h
Reduce the two functions given below and implement them using fewest 8x2 ROM's. Draw a neat labeled diagram showing interconnection between the ROM's address and data lines, and content of each ROM.
In polysilicon emitters, heavily doped polysilicon forms the contact to the emitter. The minority density does not go to zero at the polysilicon contact, but decreases to zero well inside it. This allows one to have very thin emitter contacts for ..
a. Write a Verilog code for a 2 to 1 Mux using gate-level structural level description. The two data input is D0 and D1, control input is C and output is Q. b. Write a Verilog code for a 2 to 1 Mux using behavioral level description.
A particle ( charge = 50 µC ) moves in a region where the only force on it is an electric force. As the particle moves 25 cm from point A to point B, its kinetic energy increases by 1.5 mJ. Determine the electric potential difference. ( Vb - Va )
(a) Determine the minimum required sampling rate fsamp(min). Hence, use twice this value. (b) Draw a block diagram of the system indicating the requirements of each block. (c) Design and write the difference equations of the digital filters needed.
Signal generator‘s internal impedance is purely resistive and has an open-circuit voltage of 3.5 V. When the generator is loaded with 22 ohms of resistance, its terminal voltage drops to 2.8 V. What is the generator's output impedance (pure resist..
A continuous line of charge lies along the x-axis, extending from x= +xo to positive infinity. The line carries positive charge with a uniform linear charge density lambda not. What are (a) the magnitude
Design Negation (Two's complement),We mentioned that one can obtain the negative of any number using only inverters and an adder. The function that performs this conversion is -p = p +1 where p iscalled the One'sComplement of P
Two identical 138 kV Y: 13.8 kV DELTA 100 MVA tap changing transformer each with a per unit series impedance of j.1 ohms are operating in parallel and supplying a 180 MVA load at 13.8 kV and .8 lagging pf.
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