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

Working principle of a d.c. generator, Q.  Explain the working principle o...

Q.  Explain the working principle of a d.c. generator. Explain clearly the function of commutator in d.c. machines. Sol. Working principle of a D.C. generator: For the 2- po

Capacitor filter, Capacitor Filter: A capacitor filter is connect...

Capacitor Filter: A capacitor filter is connected directly across the load is displayed in figure. The property of a capacitor is that it permits ac component and blocks

Design a combination circuit, Design a combination circuit to combine two s...

Design a combination circuit to combine two signals as follows: v 0 = -2 v 1 - 8v 2 - v 3 The following specifications are imposed: R in ≥ 20 k? at all inputs All

Determine the fourier series for the periodic wave - forms, Q. Determine th...

Q. Determine the Fourier series for the periodic wave - forms given in Figure.

What is the desirable properties of an insulation material, What is the des...

What is the desirable properties of an insulation material? Insulation materials have the desirable properties are as follows: 1. Very fine dielectric strength such as of mi

Calculate the frequencies at which there is an alias, A pure sine wave alon...

A pure sine wave along with a frequency of 100Hz is sampled at 150Hz. At which point one of the subsequent frequencies would you expect an alias? A) 75Hz B) 100Hz C) 150Hz

Calculate the antenna aperture area, Q. Amicrowave relay systemuses two ide...

Q. Amicrowave relay systemuses two identical horn antennas mounted on towers spaced 40 km apart. If f c = 6 GHz, and each relay hop has L = 60 dB, calculate the antenna aperture a

V-i characteristics - power semiconductor devices , V-I Characteristics ...

V-I Characteristics  In the  normal  mode of  operation of an IGBT  a positive  voltage is applied to the collector relative to emitter. When  the gate is at zero potential wi

The time constant of the circuit, A 20µF capacitor is connected in series w...

A 20µF capacitor is connected in series with a 50 kΩ resistor and the circuit is connected to a 20 V, d.c. supply. Verify: a)  The initial value of the current flowing, b)  T

Factors affecting to high technical losses, Factors Affecting to High Techn...

Factors Affecting to High Technical Losses Large Scale Rural Electrification Large scale rural electrification programmed undertaken in the country resulted in long LT li

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