Define voltage source multiplying dac, Electrical Engineering

Assignment Help:

Define Voltage Source Multiplying DAC?

Voltage source multiplying DACs use a reference voltage which is switched in or out by the digital data.  The converter is so-named because it multiplies a certain gain value with a source voltage (Vcc in this case).  

39_Define Voltage Source Multiplying DAC.png

Let us consider a 2-bit example. To transform 10 to analog, resistance R is switched in by digital control logic, and the resistor 2R is grounded.  The achievement of the circuit is R1/R that can be adjusted to an appropriate value. 

For the sake of the example, let R1 = R.  The overall gain of the circuit would then be unity, which would give an output of Vcc. The common conversion equation for this circuit is as follow:

 VO = - [Vin * (R1 / R) + Vin * (R1 / 2R)]  

A 2-bit conversion table would be like this:

1938_Define Voltage Source Multiplying DAC 1.png

 


Related Discussions:- Define voltage source multiplying dac

Neural network, solve problem by neural network using matlab code

solve problem by neural network using matlab code

Current and voltage polarity, why Direct current flow through semiconductor...

why Direct current flow through semiconductors but alternating current cannot flow?

Resistance, factors affecting resistance

factors affecting resistance

Why fet is called a voltage-controlled device, Q. Why FET is called a volta...

Q. Why FET is called a voltage-controlled device? Why its input resistance is high? In the case of a FET the output current ID is a function of the voltage VGS applied to the i

Integrator with positive voltage on a noninverting input, Q. An integrator ...

Q. An integrator with positive voltage on a noninverting input is shown in Figure. Sketch v o for 60 ms after S has been opened.

Induction motor, principle and operation of a 3phace induction motor

principle and operation of a 3phace induction motor

Motor, What is the main function of the slip ring

What is the main function of the slip ring

Subtract contents of memory and borrow from accumulator, Subtract Contents ...

Subtract Contents of Memory and Borrow from Accumulator The contents of the  memory  pointed  by the HL register  pair  and the borrow  flag are subtracted from the  contents

Matlab program for niquit, how to write a matlab program for TITO system to...

how to write a matlab program for TITO system to draw nyquit plots.

Cost of initial investment, Based upon the following inputs, propose the op...

Based upon the following inputs, propose the optimal course of action for this venture: Probability of success: 30%; probability of failure: 30%; base case probability: 40%

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