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The digital-to-analogue converter of Figure 10.6(a) is required to give an output voltage in the range 0 to 2.55 V, corresponding to an 8-bit digital input signal 00000000 to 11111111. (a) Assuming VREF = -15 V, R= 1 kN, calculate the value of Rp required. (b) Find the output voltage corresponding to an input signal of 11000101.

The digital-to-analogue converter of Figure 10.6(a) is required to give an output voltage in the range 0 to 2.55 V, corresponding to an 8-bit digital input signal 00000000 to 11111111. (a) Assuming VREF = -15 V, R= 1 kN, calculate the value of Rp required. (b) Find the output voltage corresponding to an input signal of 11000101.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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this question from Measurements and Instrumentation course.

And this question from book:

Princeple of Measurement Systems by John P. Bentley, 4th edition.

all you need in the pictures (pic one:is Question && pic two: is Figure 10.6(a) .

MSB ww 2°R b7 ww 2'R is ww- 2-R 14 ww 2°R iz w 2*R 12 ww 2°R b6 bs b4 RE ww bz if I V_=0 2°R VREF w VOUT Ry LSB bo 2°R OV b = 1- switch closed, b; = 0- switch open ip =I = i7 + ig + is +...+i, + io 0- VOUT but ip RE i.e. VOUT =-Rp (iy + i6 + is +... + i + ig) VREF REF by, 16 =' iz = 2°R VREF 2'R VREF -b1, ig = 2°R -bo 2'R b6 bo by VOUT = --RF VREF R 20 2! 22 Figure 10.6 Summing amplifier DACS: (a) Binary weighted resistor network
Transcribed Image Text:MSB ww 2°R b7 ww 2'R is ww- 2-R 14 ww 2°R iz w 2*R 12 ww 2°R b6 bs b4 RE ww bz if I V_=0 2°R VREF w VOUT Ry LSB bo 2°R OV b = 1- switch closed, b; = 0- switch open ip =I = i7 + ig + is +...+i, + io 0- VOUT but ip RE i.e. VOUT =-Rp (iy + i6 + is +... + i + ig) VREF REF by, 16 =' iz = 2°R VREF 2'R VREF -b1, ig = 2°R -bo 2'R b6 bo by VOUT = --RF VREF R 20 2! 22 Figure 10.6 Summing amplifier DACS: (a) Binary weighted resistor network
10.2 The digital-to-analogue converter of Figure 10.6(a) is required to give an output voltage in the range 0 to 2.55 V, corresponding to an 8-bit digital input signal 00000000 to 11111111. (a) Assuming VREF =-15 V, R= 1 kN, calculate the value of Rp required. (b) Find the output voltage corresponding to an input signal of 11000101.
Transcribed Image Text:10.2 The digital-to-analogue converter of Figure 10.6(a) is required to give an output voltage in the range 0 to 2.55 V, corresponding to an 8-bit digital input signal 00000000 to 11111111. (a) Assuming VREF =-15 V, R= 1 kN, calculate the value of Rp required. (b) Find the output voltage corresponding to an input signal of 11000101.
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