Design a circuit that outputs 2's complement of a 3 bit number using encoder & decoder. IC: 74ls138 (decoder); 74ls148 (encoder) The Truth Table for 2's complement output: Output line Connection D D D D2 D1 DO Decode Encode Inputs Outputs Active Low Output Minter CBAMinter m r 00 0 00 1 2 1 1. 1. 1. 1 1 1 1 1 1 6 2 1 5 4 3. 4 3 0 0 10 1 1 7 4 4 5. 1 1 1 2 1 1 1 1
Design a circuit that outputs 2's complement of a 3 bit number using encoder & decoder. IC: 74ls138 (decoder); 74ls148 (encoder) The Truth Table for 2's complement output: Output line Connection D D D D2 D1 DO Decode Encode Inputs Outputs Active Low Output Minter CBAMinter m r 00 0 00 1 2 1 1. 1. 1. 1 1 1 1 1 1 6 2 1 5 4 3. 4 3 0 0 10 1 1 7 4 4 5. 1 1 1 2 1 1 1 1
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ISBN:9780133594140
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Publisher:James Kurose, Keith Ross
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![Design a circuit that outputs 2's complement of a 3 bit number using
encoder & decoder.
IC: 74ls138 (decoder); 74ls148 (encoder]
The Truth Table for 2's complement output:
Output line
Connection
D" D2 D1 DO Decode Encode
Inputs
Outputs
Active Low
Output
Minter CBA Minter
m
D2 D
m
0 0 0
00 1
01 0
0 1 1
10 0
10 1
11 0
11 1
1
1
7.
6
1
1
1
1
2
1
1
O 1
2
3
5
1
1
3
5
4
4
1.
1
4
4
5
1
O 1
1
0
0 16
O 7
3
3
|
6
2
1
2
7
1
1 1
1
The report should cover the followings
3.
Required Components and Equipments
Experimental Setup (i.e., diagram of the circuit)
Results and Discussions
4.
5.
a.
Draw a circuit diagram with encoder and decoder that will output the
1's complement of 3 bit number.
b.
Can you implement a code converter with encoder and decoder? If ves,
how? If no, explain why not?
3*8
decod
8 to 3
encod
74138
DATA OUTPUTS
Vcc 'YO
Y!
Y2
Y3
Y4
Y5
15
14
13
12
YO
V3
Y4
DA
Y
YOP
GZA
G28
G1
Y7
GI, Y7 GND
OUTPUT
A B
CA GZA G2B
SELECT
ENABLE
74148
OUTPUTS
INPUTS
OUTPUT
Vcc EO
GS
A0
3
2
1
15
14
13
12
11
10
EO
GS
3
2
Burik
4
A0
Robot
Robőt
5
6.
7
El
A2
A1
3
|4
5
6
7|8
4
6
7
E1
A2
A1 GND
INPUTS
OUTPUTS](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F469787b7-f26c-49a1-8ac5-1af586f44733%2F2e9b63fa-6c8c-44f2-8e10-9a2029b67508%2F63t805_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Design a circuit that outputs 2's complement of a 3 bit number using
encoder & decoder.
IC: 74ls138 (decoder); 74ls148 (encoder]
The Truth Table for 2's complement output:
Output line
Connection
D" D2 D1 DO Decode Encode
Inputs
Outputs
Active Low
Output
Minter CBA Minter
m
D2 D
m
0 0 0
00 1
01 0
0 1 1
10 0
10 1
11 0
11 1
1
1
7.
6
1
1
1
1
2
1
1
O 1
2
3
5
1
1
3
5
4
4
1.
1
4
4
5
1
O 1
1
0
0 16
O 7
3
3
|
6
2
1
2
7
1
1 1
1
The report should cover the followings
3.
Required Components and Equipments
Experimental Setup (i.e., diagram of the circuit)
Results and Discussions
4.
5.
a.
Draw a circuit diagram with encoder and decoder that will output the
1's complement of 3 bit number.
b.
Can you implement a code converter with encoder and decoder? If ves,
how? If no, explain why not?
3*8
decod
8 to 3
encod
74138
DATA OUTPUTS
Vcc 'YO
Y!
Y2
Y3
Y4
Y5
15
14
13
12
YO
V3
Y4
DA
Y
YOP
GZA
G28
G1
Y7
GI, Y7 GND
OUTPUT
A B
CA GZA G2B
SELECT
ENABLE
74148
OUTPUTS
INPUTS
OUTPUT
Vcc EO
GS
A0
3
2
1
15
14
13
12
11
10
EO
GS
3
2
Burik
4
A0
Robot
Robőt
5
6.
7
El
A2
A1
3
|4
5
6
7|8
4
6
7
E1
A2
A1 GND
INPUTS
OUTPUTS
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