intro325 - ECEN 325 Electronics Introduction Dr. Aydn Ilker...

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Unformatted text preview: ECEN 325 Electronics Introduction Dr. Aydn Ilker Kar slayan Texas A&M University Department of Electrical and Computer Engineering Ohms Law Ohms Law i 2 v 1 v R v i 1 v 2 v R v v = v 1- v 2 v = v 1- v 2 v = iR v =- iR i = Gv i =- Gv ECEN 325 Electronics - Aydn I. Kar slayan - Introduction 1 Ohms Law Ohms Law Example 10 V 1 I 1 V 1 = 5 R 10 V 1 I 1 V 1 = 5 R V 1 = 10 V V 1 = 10 V I 1 = 2 A I 1 =- 2 A ECEN 325 Electronics - Aydn I. Kar slayan - Introduction 2 KVL & KCL KVL & KCL KVL: Kirchoffs Voltage Law Sum of all node-to-node voltages around the closed loop is zero. KCL: Kirchoffs Current Law Sum of all currents leaving a node is zero. ECEN 325 Electronics - Aydn I. Kar slayan - Introduction 3 KVL KVL 1 i 4 i 3 L1 L2 1 2 R 2 R 1 R 3 R 4 v i i i 2 L 1 - v i + i 1 R 1 + i 3 R 3 = 0 L 2 i 2 R 2 + i 4 R 4- i 3 R 3 = 0 ECEN 325 Electronics - Aydn I. Kar slayan - Introduction 4 KVL KVL of loop direction R i i of loop R direction of loop V direction of loop V direction +iR - iR +V - V ECEN 325 Electronics - Aydn I. Kar slayan - Introduction 5 KVL KVL 3 i 1 i 2 1 i 4 2 v i R 4 R 3 R 2 R 1 i L 1 v i = i 1 R 1 + i 3 R 3 L 2 i 3 R 3 = i 2 R 2 + i 4 R 4 ECEN 325 Electronics - Aydn I. Kar slayan - Introduction 6 KVL KVL Example 1 SS V CC R 1 R 2 I 2 I 1 I 3 V x R 3 V V CC = I 1 R 1 + I 3 R 3 V SS = I 2 R 2 + I 3 R 3 ECEN 325 Electronics - Aydn I. Kar slayan - Introduction 7 KVL KVL Example 2-5 V 1 V x I 2 10 100 50 I 3 +10 V I 10 = 50I 1 + 100I 3- 5 =- 10I 2 + 100I 3 10 = 50I 1 + 10I 2- 5 ECEN 325 Electronics - Aydn I. Kar slayan - Introduction 8 KCL KCL 1 i 4 i 3 L1 L2 1 2 R 2 R 1 R 3 R 4 v i i i 2 1 - i 1 + i 2 + i 3 = 0 v 1- v i R 1 + v 1- v 2 R 2 + v 1 R 3 = 0 2 - i 2 + i 4 = 0 v 2- v 1 R 2 + v 2 R 4 = 0 ECEN 325 Electronics - Aydn I. Kar slayan - Introduction 9 KCL KCL Example 1 SS V CC R 1 R 2 I 2 I 1 I 3 V x R 3 V V x- V SS R 2 + V x- V CC R 1 + V x R 3 = 0 ECEN 325 Electronics - Aydn I. Kar slayan - Introduction 10 KCL KCL Example 2-5 V 1 V x I 2 10 100 50 I 3 +10 V...
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This note was uploaded on 02/16/2009 for the course ECEN 325 taught by Professor Silva during the Fall '08 term at Texas A&M.

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intro325 - ECEN 325 Electronics Introduction Dr. Aydn Ilker...

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