Parallel - flash converter, Electrical Engineering

Assignment Help:

Q. Parallel - flash converter?

Parallel / flash converter.

Also known as parallel A/D converter, this circuit is the simplest to understand. It's formed of a series of comparators, each one comparing input signal to a unique reference voltage. Comparator outputs connect to inputs of a priority encoder circuit that then produces a binary output. Following illustration demonstrates a 3-bit flash ADC circuit: 

2332_Parallel - flash converter.png

Fig: FLASH ADC Circuit

Vref is a stable reference voltage provided by a precision voltage regulator as part of converter circuit, not displayed in schematic. As analog input voltage exceeds reference voltage at each comparator, comparator outputs will sequentially saturate to a high state. Priority encoder generates a binary number based on highest-order active input, ignoring all other active inputs.


Related Discussions:- Parallel - flash converter

What is trans conductance, Q. What is Trans conductance? It is ratio of...

Q. What is Trans conductance? It is ratio of small change in drain current to the corresponding change in the gate-to-source voltage for a constant gate-to-source voltage .it i

Microcontroller interfacing, The winch uses a 415 Volt 50 Hz AC motor, so b...

The winch uses a 415 Volt 50 Hz AC motor, so both the up/down and run/stop controls actually operate +24V relays, whose contacts switch the 415Vac to the winch. The relays also pro

Transformer, how much transformer oil is used in transformers

how much transformer oil is used in transformers

If a feeder circuit-breaker trips what action is required, Q. If a feeder c...

Q. If a feeder circuit-breaker trips, what action is needed? Ans: First isolate the faulty feeder check the faulty area on which fault the breaker was tripped (open circuit,

What is the need of the resistance used in a clipper, Q. What is the need o...

Q. What is the need of the resistance used in a clipper? Resistor is used in a clipper to limit the current through the diode. To avoid the damage due to excessive current thro

Repeatability , Reproducibility and repeatability are measures of closeness...

Reproducibility and repeatability are measures of closeness with which a given input may be measured over again. The two terms cause confusion. Therefore, a distinction is made bet

Benefits of digital systems, Q. Show Benefits of digital systems? Ever ...

Q. Show Benefits of digital systems? Ever since most digital systems have only two possible states, there is high degree of accuracy in the transmission of data. With an analog

Transformers, A 440v 4-pole dc generator takes an armature current of 50A w...

A 440v 4-pole dc generator takes an armature current of 50A when rotating at 626 rpm. the armature circuit resistance is 0.25 ohms. determine the generated emf?

What are the features used mode 2 in 8255, What are the features used mode ...

What are the features used mode 2 in 8255? The single 8-bit port in-group A is available. 1. The 8-bit port is bi-directional and additionally a 5-bit control port is availa

Determine the output voltage, Q. In a differentiating circuit, R=10 kW,and ...

Q. In a differentiating circuit, R=10 kW,and C=2.2μF.If the input voltage goes from 0V to 10 V at a constant rate in 0.4s, determine the output voltage. Solution: e 0 =

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd