3) Dec Values Digital In Analog Out 63 111111 7.875V 111111 (2) → 63 (10) Vout = (Decimal Value of Digital input) * Resolution →Vout = (63)(125mV/bit) Maximum Vo = 7.875V 3. Given the following 6 bit "Weighted R" D/A converter: V2 -10V Rf w 1ΚΩ R6 2ΚΩ R5 4ΚΩ R4 LR3 R2 R1 ΚΩ 16KQ 32KQ 64KQ Vo 55 S4 53 S2 $1 SO KeySpace Key Space Key Scace Space Key=Spece Key Scace V1 10V 741-DIV U1 V3 23 -8V Determine: (1) Resolution (in mV/bit) (2) Vo, if the Digital Input = 1 1 0 0 10 (2) (3) Maximum Vo 1) Resolution = Vrange / 2" (n = # of bits) Since n = 6, Vref→ Vrange = SV Resolution = 8V / 26 → .125V/bit Resolution = 125mV/bit 2) 110010 (2) 50 (10) Vout = (Decimal Value of Digital input) * Resolution → Vout = (50)(125mV/bit) Vo= 6.25V Dec Values 50 Digital In 110010 Analog Out 6.25V

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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3)
Dec Values
Digital In
Analog Out
63
111111
7.875V
111111 (2) → 63 (10)
Vout = (Decimal Value of Digital input) * Resolution →Vout = (63)(125mV/bit)
Maximum Vo = 7.875V
Transcribed Image Text:3) Dec Values Digital In Analog Out 63 111111 7.875V 111111 (2) → 63 (10) Vout = (Decimal Value of Digital input) * Resolution →Vout = (63)(125mV/bit) Maximum Vo = 7.875V
3. Given the following 6 bit "Weighted R" D/A converter:
V2
-10V
Rf
w
1ΚΩ
R6
2ΚΩ
R5
4ΚΩ
R4
LR3
R2
R1
ΚΩ
16KQ
32KQ
64KQ
Vo
55
S4
53
S2
$1
SO
KeySpace
Key Space
Key Scace
Space
Key=Spece
Key Scace
V1
10V
741-DIV
U1
V3
23
-8V
Determine: (1) Resolution (in mV/bit)
(2) Vo, if the Digital Input = 1 1 0 0 10 (2)
(3) Maximum Vo
1) Resolution = Vrange / 2" (n = # of bits)
Since n = 6, Vref→ Vrange = SV
Resolution = 8V / 26 → .125V/bit
Resolution = 125mV/bit
2) 110010 (2) 50 (10)
Vout = (Decimal Value of Digital input) * Resolution → Vout = (50)(125mV/bit)
Vo= 6.25V
Dec Values
50
Digital In
110010
Analog Out
6.25V
Transcribed Image Text:3. Given the following 6 bit "Weighted R" D/A converter: V2 -10V Rf w 1ΚΩ R6 2ΚΩ R5 4ΚΩ R4 LR3 R2 R1 ΚΩ 16KQ 32KQ 64KQ Vo 55 S4 53 S2 $1 SO KeySpace Key Space Key Scace Space Key=Spece Key Scace V1 10V 741-DIV U1 V3 23 -8V Determine: (1) Resolution (in mV/bit) (2) Vo, if the Digital Input = 1 1 0 0 10 (2) (3) Maximum Vo 1) Resolution = Vrange / 2" (n = # of bits) Since n = 6, Vref→ Vrange = SV Resolution = 8V / 26 → .125V/bit Resolution = 125mV/bit 2) 110010 (2) 50 (10) Vout = (Decimal Value of Digital input) * Resolution → Vout = (50)(125mV/bit) Vo= 6.25V Dec Values 50 Digital In 110010 Analog Out 6.25V
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