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b) The diode is to be used in the AND logic circuit shown in figure Q1b : VDD R VA VB 0 0 0 1 Vo Case 3 VA K Vo IL=0 Case 2 1 VB 1 1 Case 1 Figure Q1b : Diode - Resistor AND Gate The inputs are assumed to be at rail values where a logic High, '1', is VoD = 5V, and a logic Low, 'O', is OV. Referring to the above truth table : i) What will the output voltage V, in case 1? ii) Evaluate the value of the resistor R required to make the threshold voltage for Vo be 1V when operating in case 2. ii) Using this value of R evaluate Vo for case 3. See the Q1 solutions page at the end of the paper

b) The diode is to be used in the AND logic circuit shown in figure Q1b : VDD R VA VB 0 0 0 1 Vo Case 3 VA K Vo IL=0 Case 2 1 VB 1 1 Case 1 Figure Q1b : Diode - Resistor AND Gate The inputs are assumed to be at rail values where a logic High, '1', is VoD = 5V, and a logic Low, 'O', is OV. Referring to the above truth table : i) What will the output voltage V, in case 1? ii) Evaluate the value of the resistor R required to make the threshold voltage for Vo be 1V when operating in case 2. ii) Using this value of R evaluate Vo for case 3. See the Q1 solutions page at the end of the paper

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Under controlled conditions a diode's current is modelled by the equation : Question 1 I, = 1,(exp(kV)–1) where ID is the diode current, V the 'forward biased' diode voltage, Is is the reverse leakage current and k is a diode specific constant. b) The diode is to be used in the AND logic circuit shown in figure Q1b : VDD VA VB Vo Case 3 VA V. IL=0 1 Case 2 1 VB 1 1 Case 1 Figure Q1b : Diode - Resistor AND Gate The inputs are assumed to be at rail values where a logic High, '1', is VDD = 5V, and a logic Low, 'O', is OV. Referring to the above truth table : i) What will the output voltage V. in case 1? ii) Evaluate the value of the resistor R required to make the threshold voltage for Vo be 1V when operating in case 2. Using this value of R evaluate Vo for case 3. ii) See the Q1 solutions page at the end of the paper
Transcribed Image Text:Under controlled conditions a diode's current is modelled by the equation : Question 1 I, = 1,(exp(kV)–1) where ID is the diode current, V the 'forward biased' diode voltage, Is is the reverse leakage current and k is a diode specific constant. b) The diode is to be used in the AND logic circuit shown in figure Q1b : VDD VA VB Vo Case 3 VA V. IL=0 1 Case 2 1 VB 1 1 Case 1 Figure Q1b : Diode - Resistor AND Gate The inputs are assumed to be at rail values where a logic High, '1', is VDD = 5V, and a logic Low, 'O', is OV. Referring to the above truth table : i) What will the output voltage V. in case 1? ii) Evaluate the value of the resistor R required to make the threshold voltage for Vo be 1V when operating in case 2. Using this value of R evaluate Vo for case 3. ii) See the Q1 solutions page at the end of the paper
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