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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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
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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