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Electronics Engineering
Electronics Engineering is a branch of engineering that deals with practical applications of electronic components, devices, systems, or equipment. Electronics are devices that operate on low voltage sources, as in electron tubes, transistors, integrated circuits, and printed circuit boards and use electricity as part of its driving force.
24,372 Questions
Is 150K ohms equal to 1.5M ohms?
A lower-case 'k' stands for kilo which is 1000.
An upper-case 'M' stands for mega which is 1 000 000.
so 150 000 does not equal 1 500 000.
How refrigerators system is closed loop control system?
A refrigerator operates as a closed-loop control system by continuously monitoring and adjusting its internal temperature. It uses a thermostat as a sensor to detect the current temperature and compare it to the desired setpoint. If the temperature deviates from this setpoint, the control system activates the compressor to cool the interior until the desired temperature is reached, after which it turns off. This feedback mechanism ensures consistent temperature control, maintaining the efficiency and effectiveness of the refrigeration process.
How has thyristor term been coined?
The term "thyristor" was coined from the terms "thyratron" and
"transistor". A thyratron was a gas-filled vacuum tube switch -
when triggered, it developed a low impedance path from cathode to
anode, and that path stayed in place until the current through the
tube ceased - you couldn't "turn it off". The thyristor was seen as
a "solid-state thyratron".
I wanted the theory for implementation of full adder using 3 to 8 decoder and 4 input nand gates?
A full adder is a logic circuit that take two inputs and a carry input, and produces an output and a carry ouput. It is one stage in a multi-bit adder. The truth table is: ABC RC D
000 00 0
001 10 1
010 10 2
011 01 3
100 10 4
101 01 5
110 01 6
111 11 7
The columns are A, B, Carry Input, Result, Carry Output, and Decoder Output You can use a 3 to 8 decoder to generate these 8 lines. Look at the R and C outputs, and note that there are 4 combinations of inputs thet generate a 1 or a 0. For each of Result and Carry Ouput, connect the decoder output representing the 0 state to those four lines. (Result = 0, 3, 5, 6. Carry Output = 0, 1, 2, 4) What you are doing logically is or'ing the lines to produce the 1's. Since you have nands instead or ors, treat the nands as nors and pick the opposite inputs.
Can I use a 9 Volt 1 Amp power adaptor in place of a 5 volt 1.2 Amp adaptor?
No, the voltage of the replacement adapter must always be IDENTICAL to the original adapter and the current of the replacement adapter must be the same or larger than the original adapter.
Trying to use a 9 Volt adapter to replace a 5 Volt adapter will almost certainly completely destroy the device the moment you plug it in.
You did not say whether the adapters provided AC or DC or the polarity if DC. Either way both the replacement adapter and the original adapter must be IDENTICAL in this respect.
What is what is the clock in modulation?
Clock in modulation refers to the timing signal used to synchronize the modulation process in communication systems. It ensures that the transmitter and receiver are aligned in time, allowing for accurate encoding and decoding of the information being transmitted. The clock signal can influence the data rate and overall performance of the modulation scheme, making it critical for effective communication. Proper clocking helps to minimize errors and improve the integrity of the transmitted signal.
What does a standing wave result from?
Standing waves are also known as stationary waves. They are waves that remain in a constant position. This phenomenon can occur because the medium is moving in the opposite direction to the wave, or it can arise in a stationary medium as a result of interference between two waves traveling in opposite directions.
Is modulation needed for digital data transmission?
Modulation is only required if the data is being sent over a radio wave, or a laser beam.
And even in the case of a laser, if you are content with on/off data streams, then there is no underlying signal to be modulated.
Essentially all of the data whizzing round in your computer is doing so without the benefit(?) of a carrier - the wires are sufficient.
Which is the best Distributed Control System?
DCS selection shall based on the following criteria
- Ease for peer peer communication
- Global Tag database
- Ease for configuring Trends , Alarms , reports , documentation instaneously for the tag
- Third party connectivity
- Interface to standard communcation protocol
- Server redundancy
- Smart client possibility
- Loop tuning from the central location
- Standard Face plate and its configuration
- Centrally engineering can be done for all the connected devices and controller.
- Easy configuration
- Reporting facility
- Online documentation
- Alarm Management
- Integration with the HT relays.
- Single solution for the complete plant
This is wat one can get in ABB 800xA system.
From Meena
How depletion width varies with biasing voltage?
when the diode is applied forward bias voltage the width of depletion region gets reduced the barrier voltage decreases there by facilitating the easy exchange of holes and electrons.
when the diode is reverse biased the width of depletion region increases there by hindering the flow or exchange of charge carriers.
What is the physical interpretation of bessel function?
spherical bessel function arise in the solution of spherical schrodinger wave equation. in solving the problem of quantum mechanics involving spherical symmetry, like spherical potential well, the solution that is the wave function is spherical bessel function
Define failure rate in reliability?
When determining how reliable something is, a benchmark called "Mean Time Between Failures" is often used. It's usually represented as "MTBF". That means, the average time that a component will operate continuously.
Binary adder-subtractor combine circuit?
Switch Mode (SM) is a control input to the circuit to switch between addition or subtraction operations.
Adder
When SM = 0 the circuit is equivalent to Binary Adder.
A + B (bit ) XOR 0 = A + B (bit)
Subtraction
When SM = 1 the circuit is equivalent to Binary subtraction.
A + B (bit ) XOR 1 = A + invert(B (bit))
'B' input becomes inverted in this case.
What is the analog sampling rate of the MSP430?
The ADC10 peripheral on most MSP430s can sample at upwards of 200 ks/s.
Where you use damping resistor?
Damping Resistor on Inputs/Outputs (R)
Series damping resistors (SDR), denoted by R in the device number, are included at all input/output and output ports of designated devices (see Figure below). The SDRs limit the current, thereby reducing signal undershoot and overshoot noise. Additionally, SDRs make line termination easier, which improves signal quality by reducing ringing and line reflections.
This tutorial is based on the Understanding and Interpreting Standard Logic Data Sheets application report (SZZA036).
Which bulb is brighter a 60W or 30W in a series then in parallel then separate circuits?
In series, a 30W incandescent lamp dissipates twice as much power as a 60W unit
designed for the same supply voltage. While it's difficult to estimate how much of
that power will be in the form of visible light and how much as heat, we're guessing
that their comparative visual brightnesses will track the total power dissipation of
each lamp, so the 30W will appear brighter than the 60W.
In parallel, or in separate, independent, unconnected circuits on separate power supplies,
the 60W lamp is brighter than the 30W unit designed for the same supply voltage.
Note: Plugging two bulbs into any two separate outlets in the same house
normally connects them in parallel.
What is the purpose of impedance phlebography?
Impedance phlebography may be done in order to: detect blood clots lodged in the deep veins of the leg, screen patients who are likely to have blood clots in the leg, detect the source of blood clots in the lungs.
A neeble is the half of a byte...or 4 bits WRONG ACTUALLY a neeble is a knee that is the size of an eyeball, eg that of the lovely EMMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA NEEBLE MCGEEBLE YEAH!
