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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
What are the integrated transformation program of the PNP?
The Philippine National Police (PNP) Integrated Transformation Program (ITP) aims to enhance the organization's capabilities, improve service delivery, and promote transparency and accountability within the force. It encompasses various initiatives, including leadership development, community engagement, and the modernization of equipment and technology. The program seeks to foster a culture of professionalism among officers and strengthen public trust through reforms and effective policing strategies. Overall, the ITP is designed to create a safer and more secure environment for the Filipino people.
What does RECTIFIER and REGULATOR ASSEMBLY?
A rectifier and regulator assembly is an electronic component often used in power supplies to convert alternating current (AC) into direct current (DC) and to stabilize the output voltage. The rectifier converts AC voltage to DC voltage using diodes, while the regulator ensures that the output voltage remains constant despite variations in input voltage or load conditions. This assembly is crucial in applications requiring reliable and consistent power, such as in electronic devices and systems.
What would happen if the number of coils on both sides of the transformer were the same?
This is what is known as a 1:1, or ISOLATION Transformer. There is no change to the Voltage or Current of the input, but this does provide a separation between the input and output of the transformer. This separation is sometimes required for safety purposes, especially in a medical environment.
All events can be traced to natural causes that are potentially within our ability to comprehend.
Why a pull up resistor is so called?
A pull up resistor is often used in an open-collector circuit, where there is a transistor that can pull to down ground, but there is no transistor to pull up to Vcc. When the transistor is off, the pull-up resistor "pulls-up" the voltage to a point where any connected circuit "sees" the voltage and "knows" the transistor is off. This is often used in circuits where many output gates can drive a single line. Any one gate can pull the line low, while all gates have to be off to allow the line to pull high. In the alternate configuration, a totem-pole system, there are two transistors, one to pull low and one to pull high. If you have multiple gates on a common line, you must three state (turn off both transistors) on the non driving gates, or there will be conflict between gates and possible damage.
What make a latent failure especially troublesome?
Because it doesn't happen now but at some indeterminate time in the future, probably when proper operation is critical.
This is the whole purpose of burn-in - make the latents fail before the unit leaves the factory so they can be fixed before the user gets the units.
Why offset voltage is 0 in inverting and non inverting operational amplifiers?
A: In reality they are never zero but practically guarantee to be virtual zero. It is possible to get rid of the input offset voltage by biasing the circuit, Anyhow op amps have some offset but hardly ever zero.
How does the signal change at the output AM out?
Your question doesn't give enough detail. AM typically stands for amplitude modulation. It is how AM radio works. A constant frequency is transmitted and the amplitude is varied to modulate the carrier wave with an information signal such as a song. Hence if you were examining how an AM signal changed you would see changes in the peak-to-peak voltage of the carrier frequency waveform.
How you get power to TV using AAA battery?
Yes, but you might need a lot of AAA batteries, because they don't have a lot of available power.
A biopotential is a biologically or biochemically-generated potential or voltage.
Analysing a circuit with a shorted component?
Analysing a circuit with a shorted component need specialised electrical test equipment.
Why does your digital multimeter read ac and dc on same terminal?
The switching of the circuitry is done internally for the different voltages. This is done when you move the switch on the front of the meter from AC to DC.
What are the available transistor-transistor logic subfamilies?
§ Low-power TTL (L), which traded switching speed (33ns) for a reduction in power consumption (1 mW) (now essentially replaced by CMOS logic)
§ High-speed TTL (H), with faster switching than standard TTL (6ns) but significantly higher power dissipation (22 mW)
§ Schottky TTL (S), introduced in 1969, which used Schottky diode clamps at gate inputs to prevent charge storage and improve switching time. These gates operated more quickly (3ns) but had higher power dissipation (19 mW)
§ Low-power Schottky TTL (LS)- used the higher resistance values of low-power TTL and the Schottky diodes to provide a good combination of speed (9.5ns) and reduced power consumption (2 mW), and PDP of about 20 pJ. Probably the most common type of TTL, these were used as glue logic in microcomputers, essentially replacing the former H, L, and S sub-families.
§ Fast (F) and Advanced-Schottky (AS) variants of LS from Fairchild and TI, respectively, circa 1985, with "Miller-killer" circuits to speed up the low-to-high transition. These families achieved PDPs of 10 pJ and 4 pJ, respectively, the lowest of all the TTL families.
§ Low-voltage TTL (LVTTL) for 3.3-volt power supplies and memory interfacing.
How much current does a line with a voltage of 20 volts and a resistance of 40 Ohms?
The answer is 20 divided by 40, in amps.
What is the major difference an NPN transistor and a PNP transistor?
The NPN transistor has its conduction curve where the base is more positive than the emitter, while the collector is also more positive than the emitter.
The PNP transistor is exactly opposite, with its conduction curve where the base is less positive than the emitter, while the collector is also less positive than the emitter.
Explain flywheel effect of a tank circuit?
Fly wheeling or ringing is a process where by circulating current will cause a ringing effect where that is useful is on SCR circuit to reverse power for a shot time enough to reduce holding current therefore shutting the device off
In what stage modulation is done on high power amplitude modulation transmission?
In high power AM transmission, modulation is done at
How do you measure amps on a 208V single phase circuit with a clamp on amp meter?
Clamp the meter around the energized conductor that is connected to the load to be measured and read the amperage off of the dial face of the meter.
