REPORT LAB 5B'.docx - ELECTRICAL ENGINEERING DEPARTMENT...

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ELECTRICAL ENGINEERING DEPARTMENT POLYTECHNIC IBRAHIM SULTAN DEE3071 - ELECTRONIC COMPUTER AIDED DESIGN ASSESMENT : PRACTICAL WORK 5B TITLE : SIMULATION OF DIGITAL LOGIC CIRCUITS OBJECTIVE : 1. Knowing about the design of digital circuits using Circuit Maker. 2. Knowing the digital circuit simulation method using Circuit Maker. 3. Knowing the relationship between theory and simulations. 4. Knowing the functions of a digital simulation. EQUIPMENTS : 1. Personal Computer 2. CIRCUIT MAKER software INTRODUCTION
1. Timing diagram CLK QA QB QC QD 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0
FREQUENCY 2. Fclk 0 5u 10u 15u 20u 25u 30u 0 900m 1.8 2.7 3.6 4.5 5.4 Xa: 2.488u Xb: 1.488u Yc: 5.400 Yd: 0.000 a-b: 1.000u c-d: 5.400 freq: 1.000Meg Ref=Ground X=5u/Div Y=voltage d c b a V(3)
3. Fqa 0 5u 10u 15u 20u 25u 30u 0 800m 1.6 2.4 3.2 4 4.8 Xa: 3.500u Xb: 1.500u Yc: 4.800 Yd: 0.000 a-b: 2.000u c-d: 4.800 freq: 500.0k Ref=Ground X=5u/Div Y=voltage d c b a V(7)
4. f QB 0 5u 10u 15u 20u 25u 30u 0 800m 1.6 2.4 3.2 4 4.8 Xa: 6.500u Xb: 2.500u Yc: 4.800 Yd: 0.000 a-b: 4.000u c-d: 4.800 freq: 250.0k Ref=Ground X=5u/Div Y=voltage d c b a V(6)
5. f QC 0 5u 10u 15u 20u 25u 30u 0 800m 1.6 2.4 3.2 4 4.8 Xa: 12.50u Xb: 4.500u Yc: 4.800 Yd: 0.000 a-b: 8.000u c-d: 4.800 freq: 125.0k Ref=Ground X=5u/Div Y=voltage d c b a V(5)
6. f QD 0 5u 10u 15u 20u 25u 30u 0 800m 1.6 2.4 3.2 4 4.8 Xa: 24.50u Xb: 8.500u Yc: 4.800 Yd: 0.000 a-b: 16.00u c-d: 4.800 freq: 62.50k Ref=Ground X=5u/Div Y=voltage d c b a V(3)
7. PROCEDURE 10 S1 OFF CLK QA QB QC QD 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 OBSERVATION: LED 1 are light up, while other LED are not lit ON CLK QA QB QC QD 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20
S2 OFF CLK QA QB QC QD 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 OBSERVATION: LED 1 and 2 lights up, while other LED are not lit ON CLK QA QB QC QD 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20
S3 OFF CLK QA QB QC QD 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 OBSERVATION: all LED are lights up ON
CLK QA QB QC QD 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 S4 OFF CLK QA QB QC QD 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 OBSERVATION: LED 1 are lights up, while other LED are not lit ON CLK QA QB QC QD 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0
8. PROCEDURE 11 CLK QA QB QC QD 280 260 240 220 200 180 160 140 120 100 80 60 40 20 0
RESULT: CALCULATION:
QUESTION 1.

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