Difference Between Zener and Avalanche Breakdown

Owing to two types of events such as Zener as well as an avalanche, an electrical takes place. The occurrence of their process due to the high electric field is the main key distinction between Zener breakdown and avalanche breakdown. The disparity between the breakdown of Zener and the breakdown of avalanches will assist us to understand the occurrence of their process.

What is a Zener breakdown?

As the elevated electric field is applied across the PN junction diode, the Zener breakdown takes place. This results in electron flow through the junction of the PN.

What is avalanche breakdown?

The avalanche breakdown occurs when the electric field is increased by a high reverse bias voltage, which increases the depletion area further.

Difference between Zener and avalanche breakdown:

  • Zener breakdown is a process in which the electron move across the barrier from the valence band of the p-type material to the conduction band of the n-type material is known as Zener breakdown. While the avalanche breakdown is the process of applying high voltage and increasing the free electrons or electric current in semiconductor and insulating materials is called an avalanche breakdown.
  • This is observed in Zener diodes having Zener breakdown voltage V of 5 to 8 volts, while the avalanche diode in Zener diode has a Zener breakdown voltage V is greater than 8 volts.
  • In the Zener diode, the VI characteristics of a Zener breakdown have a sharp curve, while the avalanche diode VI characteristics curve of the avalanche breakdown is not as sharp as the Zener breakdown.
  • While the use of Zener diode we decrease the temperature breakdown of the voltage, while the avalanche diode the increase in temperature increases the breakdown voltage.
  • Zener diode occurs that is highly doped, while the avalanche diode is lightly doped.
  • The valence electrons are pulled into conduction due to the high electric field in the narrow depletion region, while the avalanche diode the valance electrons are pushed to conduction due to the energy imparted by accelerated electrons, which is the gain their velocity due to their collision with other atoms.
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Difference between Centre Tapped and Bridge Rectifier

The main comparison between a center-tapped rectifier and a bridge rectifier is that one uses a center-tapped transformer while the other they do not require a center-tapped transformer. both of these types of full-wave rectifiers but their method of converting AC input into DC is different by employing a different number of diodes. So here this article gives the difference between center-tapped rectifier and bridge rectifier to better understand this topic.

What is a center-tapped rectifier?

 In this rectifier, the anodes of the diode are connected with a center-tapped secondary winding, and the cathodes of the diode are connected with the load resistor. Thus it is called a center-tapped rectifier. In this diode firstly it converts one-half of the AC cycle into DC voltage and then it converts another half of the AC cycle into DC voltage.

What is a bridge rectifier?

The bridge rectifier converts the complete cycle of AC into pulsating DC, but it is conversion manner is different from the center-tapped rectifier. In this rectifier, all four diodes are connected in the form of a Wheatstone bridge.

Difference between center-tapped rectifier and bridge rectifier:

  • The Center tapped rectifier as its name suggests is center-tapped, its secondary winding is center-tapped. While there is no center tapping in the case of the bridge rectifier.
  • The Center tapped rectifier uses only two diodes while the bridge rectifier uses four diodes in its circuit.
  • The magnitude of peak inverse voltage of the bridge rectifier is half of that of the center-tapped rectifier. These features of the bridge rectifier make it appropriate for high voltage applications.
  • The transformer utilization factor is 0.692 in the center-tapped rectifier, while 0.812 in the bridge rectifier.
  • Circuit complexity is less in the Center tapped rectifier, while circuit complexity is more in the bridge rectifier.
  • The voltage drop is low in the Center tapped rectifier, while the bridge rectifier voltage drop is high due to the presence of four diodes.
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Difference Between Pressure and Stress

There are several key distinctions between stress and pressure, but these are also terms that are often mistaken for each other. Pressure may primarily be defined as the amount of force per unit area exerted. Stress refers to materials amount of force exerted per unit area, This is a term as stress is uniquely more different from pressure.

What is pressure?

The pressure is an inherent property, and it is often fluid-related. It depends on the transfer of momentum on a micro-scale between the atoms of a liquid or gas volume.

What is stress?

Stress is a consequence of the property of a body undergoing arbitrary deformation to return to its own reference state, stress is produced whenever a force is generated to simplify.

Difference between Pressure and stress:

  • Pressure can be defined as the amount of force per unit area applied While stress can be defined as the internal resistive force to the deformation per unit area.
  • In pressure stress is developed internally, while stress, the pressure is exerted externally, 
  • Due to pressure, stress will be developed. While due to stress, the pressure will not be developed.
  • The pressure is physically measured using pressure gauges, a manometer, and other pressure measuring devices or instruments, while the stress is no device to measure stress. stress is calculated by measuring strain or elongation.
  • The pressure is always a positive force, while stress can be either positive or a negative force.
  • The pressure is always compressive, while the stress is tensile, compressive, and also shear.
  • The pressure is a unique property of thermodynamics or physics, while stress can be represented as strain/ youngs modulus.
  • The magnitude of the pressure at a point in all the directions remains the same,  The magnitude of stress at a point in a different direction is different.
  • The pressure is independent of the area of the contact surface area. It remains constant and does not vary with change in surface area, while the stress varies with change in surface area.
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AWG full form

 What is the full form of AWG?

Answer:

  • American Wire Gauge

What does AWG mean?

AWG is the system, also known as the brown and sharp wire gauge, is a logarithmic stepped standardized wire gauge system used since 1857, predominantly in North America, for the diameter of round, solid, electrically conducting wire. The dimension of the wire is given in ASTM standard B 258. 

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ONGC full form

 What is the full form of ONGC?

Answer:

  • Oil And Natural Gas Corporation

What does ONGC mean?

The ONGC is an Indian crude oil and gas multinational corporation and its head office located in New Delhi, India. The ONGC is a public sector project which is under the administrative control of the government of India's ministry of petroleum and natural gas. In the year of 1994, ONGC was reconfigured as a limited enterprise under the company act, 1956.

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  1. Full form of NTPC
  2. Full form of ISRO
  3. Full form of  PCO
  4. Full form of NASA
  5. Full form of GSLV
  6. Full form of  SSLV
  7. Full form of PSLV
  8. Full form of INCOSPAR
  9. Full form of  GSAT
  10. Full form of  GTO
  11. Full form of LEO
  12. Full form of  HEO
  13. Full form of MEO

NTPC full form

What is the full form of NTPC?

Answer:

  • National Thermal Power corporation

What does NTPC mean?

NTPC is a public sector company in India, headquartered in New Delhi. It was set up to accelerate power generation in the country. It is the largest thermal power generating company in India in terms of installed capacity and output. NTPC is also listed on NSE and the Bombay stock exchange.

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  1. Full form of NTC
  2. Full form of ONGC
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NTC full form

 What is the full form of NTC?

Answer:

  • Negative Temperature Coefficient

What does NTC mean?

NTC is a characteristic of a material for which resistance, length, and some other characteristic of a material decrease with the increasing of temperature. The conductive material has a positive temperature coefficient. Resistance increase with the increases in temperature. But in the case of semiconductor material resistance decrease with the increases of the temperature due to negative temperature coefficient characteristic.

Full form of PTCL

What is the full form of PTCL?

Answer:

  • Pakistan Telecommunication Company Ltd.

What does PTCL mean?

PTCL is one of the national telecommunication companies in Pakistan. PTCL provides telephone and internet services nationwide. It is the backbone for the country's telecommunication infrastructure despite the arrival of a dozen other telecommunication corporations, including Telenor GSM technology and china mobile. The corporation manages and operates around 2000 and many more telephone exchanges across the country, and it provides the largest fixed-line network.

Face recognition advantages and disadvantages

Facial recognition technology is a normal part of everyday life now. Whether it is a surveillance camera in grocery stores, tagging friends on social media, or logging into our smartphones, facial recognition is here to stay. In recent years facial recognition one of the most important technology in biometric. So here this gives the information about the advantages and disadvantages of face recognition technology to better understand this topic.

Advantages of face recognition:

  • Nowadays there are many advantages of face recognition systems such as their convenience and social acceptability. All you need is your picture taken for it to work.
  • Face recognition is easy to use and in any case, it can be performed without a person even knowing.
  • The camera price should go down.
  • This system is convenient.
  • Face recognition is more user-friendly.
  • It is in inexpensive techniques of identification.
  • Social acceptability.
  • Facial recognition may be a good measure to avoid the spread of diseases.
  • It can be used to unlock devices.
  • Machine learning and AI will help to improve and expand facial recognition.
  • Harder to hide from criminals.
  • It May help to identify a fake passport.
  • Can prevent all kinds of fraud.
  • May help to protect improtant infrastrucutre

Disadvantages of face recognition:

  • The face recognition system can't tell the difference between identical twins.
  • Affected by the environment.
  • Facial recognition can be expensive.
  • Privacy concerns related to facial recognition.
  • High false o match range.
  • Technology is not mature yet.
  • Can take away freedom and fun from people.
  • Potential for primary abuse.
  • Can be misused by the government.
  • Rules and regulations against facial recognition in some regions.
  • problem with false rejection when people change their hairstyles.
  • Sensitive data may get stolen by hackers.
  • Lack of regulations in the AI in face recognition systems.
  • Facial recognition can lead to higher unemployment rates.
  • The general public may not accept this technology.
  • Excessive reliance on facial recognition can be dangerous.
  • Storage of data can be problematic.
  • The general public may not accept this technology.

APFC full form

 What is the full form of APFC?

Answer:

  • Automatic Power Factor Control

What does APFC mean?

APFC is panels are mainly used for the improvement of the power factor. Power factor is the ratio of the active power to apparent power and it is a major component in measuring electrical consumption. APFC is an automatic power factor control panel that is used to improve the power factor, whenever required by switching ON and OFF the required capacitor bank units automatically.

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  1. Full form of AAAC

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AAAC full form

 What is the full form of AAAC?

Answer:

  • All Aluminium Alloy Conductor

What does AAAC mean?

AAAC is extensively used for primary and secondary transmission lines in bare overhead distribution and transmission lines and also from the HV substations. It usable in highly polluted industrial areas and coastal regions due to corrosion resistance.

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  1. Full form of APFC

clientserver network advantages and disadvantages

A client-server network is such a model where one side server machine delivers the various service to the other side client machine for grabbing those services. So this type of model is known as client-server networking. so here this article gives the information about the advantages and disadvantages of client-server to better understand this topic.

Advantages of the client-server network:

  • All files are stored in a central location.
  • Network peripheral are controlled centrally.
  • Backup and network security are controlled centrally.
  • User can access data which is centrally controlled.
  • It can be scaled that means as per the requirement its size can be expanded.
  • All users also have the right to access entire shard files which are stored centrally.
  • It allows users to share all resources on other different platforms and locations.
  • Users are able to access all data anytime and anywhere, so you have not placed a foundation.
  • It is capable to bear massive usage.
  • It allows all users to decrease the data replication for their applications.
  • The client-server network has the best management to keep all records of entire files, so all users can find any files easily.
  • The client-server network is designed on the basis of the distributed model that means to replace, repair any updating, and relocate the server without affecting the client.

Disadvantages of the client-server network:

  • The server is expensive to purchase.
  • A specialist network operating system is needed.
  • Specialist staff such as a network manager is needed.
  • Its cost is not affordable for normal users.
  • If a large number try to send requests at the same time frame then a traffic congestion problem can be created.
  • If any part of the network server fails a lot of disruption can occur.
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Peer to Peer network advantages and disadvantages

A peer-to-peer network is a kind of computer network where two or more computer systems are connected together without using a separate server. Computer in this network can be arranged in such a way that they are client and servers. So here this article gives the advantages and disadvantages of peer to peer network to better understand this topic.

Advantages of peer to peer network:

  • It does not require any network operating systems.
  • All workstations are capable to access any type of files so do not require any costly server.
  • Peer to peer network does not need any full-time system administrator for managing the entire network.
  • Without any high-level knowledge of this network, you can easily configure this P2P network.
  • P2P network is more protective.
  • All user have own permission that they can share any file over the network. So it does not need any well-trained staff for operating this peer to peer network.
  • P2P network is adaptable because, in this network, new computer systems can be easily configured. So it is more flexible.
  • If anyone peer of this network is getting to halt then the entire network will not be affected instead of those parts.
  • Users can find any time because its library of files is available 27*7 times.
  • The user does not get any impact of downloading time of enlarging files while degrading internet speed of connections.
  • Due to the best scalability, it offers better performance because if we want to add extra clients over this network then its performance is not getting degrade.
  • Users can start the retrieval process at any time without any hindrance.

Disadvantages of peer to peer network:

  • Peer to peer network is decentralized so it is a big challenge to an administrator. The entire accessibility of a full network cannot be controlled by one person.
  • All computer systems can be used anytime duration.
  • To get backup of data is a harder task because it is all data is saved on different types of computer systems as well as it has not any centralized server.
  • You have to require specific software programs that help to make the file usable if you are getting torrent download.
  • It does not contain any center medium used for data storage for file archiving.
  • It is too much slow performance because every computer is accessed by other users.
  • Every computer system contains a unique password over the whole network.
  • P2P network users do not get any preview of the file content before download.
  • User IP can be exposed automatically by P2P protocol, and if you want to solve this problem then can be used as a virtual private network.
  • Speed of internet connection can be affected while uploading and downloading simultaneously.
  • Few peer-to-peer networks can transfer illegal data on your computer system without your permission.
  • Many movies, music, and other copyrighted content are sent using, so peer-to-peer technology is implemented into torrents.
  • Over this network, any file can be accessed remotely by other users without getting any permission because unsigned or unsecured codes exist on any particular terminal point.
  • The overall security of the P2P network is less because all computers perform their tasks independently, and it also contains its own data. 
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Advantages and disadvantages of CPLD

CPLD is a programmable logic device that is based on electricity erasable programmable read-only memory has a comparatively less complex architecture as compared to FPGA and is much suitable in small gate count designs such as glue logic. So here this article gives the advantages and disadvantages of CPLD to better understand this topic.

Advantages of CPLD:

  • Easy of design
  • Reduced board area.
  • It is a reliability
  • Cost of ownership.
  • More product revenue.
  • Development cycles are very short and get into the market.
  • Low development costs.
  • Quicker generates revenue sooner.

Disadvantages of CPLD:

  • CPLD is a more complex programmable logic device that is more complex than SPLD.

Advantages and Disadvantages of programmable logic devices

PLD called a programmable logic device, it is a semiconductor device that can be programmed to obtain required logic devices. The advantage of PLD is re-programmability, they have replaced special-purpose different types of logic devices like logic gates, flip flop, counter, and multiplexer in many semi-custom applications. It consists of an array of AND and OR gates, which can be programmed to realize the required logic function. So here this article gives the advantages and disadvantages of PLD to better understand this topic.

Advantages of programmable logic devices:

  • Low development cost
  • Less space requirement
  • Less power requirement
  • It is easy to troubleshoot
  • Less design time
  • High switching speed
  • High design security
  • Easy design modification
  • High reliability
  • Only the connection mask require to be custom made
  • Easy circuit testing
  • There is no need for the time-consuming logic design of some random logic gate network device
  • Design checking easy
  • The design change is also easy
  • The layout is far simpler than that for random logic gate networks 
  • Adoption of the new technology is quick and easy

Disadvantages of programmable logic devices:

  • The high-cost solution in large quantities
  • It requires a large area and poor performance
  • Lack of security
  • Large power requirement
  • Not flexible in terms of integrating analog box
  • Additional cost, power, space requirements, etc
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Features of FPGA

 What are the features of FPGA?

  • It is high complexity
  • It is a low cost
  • High integration
  • Flexible function generator
  • Avoid the problem of ASICs
  • Small physical size
  • FPGA is compatible with the PLD
  • Low power consumption
  • High density and reliability
  • Programming is also very flexible
  • It is a real-time online testing
  • Many FPGA includes a block of RAM
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Features of CPLD

 What are the features of CPLD?

  • High performance.
  • Large density range.
  • Slew rate control on each individual output.
  • Flexible 36 Vs 18 functional blocks.
  • High drive 24mA outputs.
  • User-programmable ground pin capability.
  • Non-volatile configuration memory. 
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Why CPLD better than FPGA?

For below some reason, CPLD is better than FPGA:

  • CPLD is an integrated circuit that helps to implement digital systems while FPGA is an integrated circuit designed to be configured by a customer or a designer after manufacturing.
  • CPLD is cost-effective while the FPGA is expensive than CPLDs.
  • The logic resource is also a major difference between CPLD and FPGA. CPLD provides minimum logic resources while FPGA provides a massive amount of logic resources and storage elements to create complex systems.
  • Power consumption is also different between CPLD and FPGA, CPLD consumes low power while FPGA consumes more power.
  • CPLD is made up of larger blocks while FPGA is made up of tiny logic blocks.
  • CPLD and FPGA is their memory. CPLD uses EEPROM while FPGA uses RAM.
  • Besides it is easier to predict the delay in CPLD than in FPGA.
  • CPLD is more secure than FPGA because it has built-in nonvolatile memory.
  • CPLD is suitable for small to medium scale applications whereas FPGA is suitable for complex applications.
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ASIC advantages and disadvantages

ASIC can offer greater performance, lower power, higher voltage, and also reduce the footprint of materials and increased reliability. Also, ASIC offers higher security, as an ASIC is far harder to reverse engineer than a microcontroller or FPGA design, where the IP stored in easy to read memory. So here this article gives the main key advantages and disadvantages of ASIC to better understand this topic.

Advantages of ASIC:

  • For every high volume, design cost comes out very less. Larger volumes of ASIC design implementation proves to be cheaper than implementing design using FPGA.
  • ASIC is faster than FPGA. This gives an enormous opportunity for speed optimizations.
  • In ASIC you can implement analogue circuits, mixed-signal designs. This is generally not possible in FPGA.
  • ASIC gives design flexibility.
  • ASIC can be optimized for required low power, Low power ASIC helps battery lives a longer life.
  • In ASIC DET is inserted. In FGPGA DET is not carried out.

Disadvantages of ASIC:

  • Some large ASICs can take a year or more to time to design. A good way to shorten development time is to make prototypes using FPGA and then switch to an ASIC.
  • ASIC design tools are very much expensive and costly, you spend a huge amount of NRE.
  • In ASIC you should take care of some of the DFM issues, this signal integrity issues, and many more. In FPGA you don't have a;; these because the ASIC designer takes care of all these.

FPGA applications

 Let us check out the application of FPGA in this article one by one. 

What is the application of FPGA?

  • It is used for automation
  • Cryptography
  • Development board and shields for microcontrollers
  • It is also used for solar energy
  • Scientific instruments
  • Industrial IoT
  • Industrial motor control
  • Computer hardware emulation
  • Embedded vision
  • Data mining
  • Broadcast
  • Wireless communications
  • Video and image processing
  • Aerospace and defence
  • Medical electronics
  • Digital television
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