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function, turning the LED This set/reset circuit controls D2. Closing SW1 controls the ISelect] [ Select ] Closing SW2 controls the [ Select) v function, turning D2 [ Select]

function, turning the LED This set/reset circuit controls D2. Closing SW1 controls the ISelect] [ Select ] Closing SW2 controls the [ Select) v function, turning D2 [ Select]

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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First blank choices: a.) reset b.) off c.) set d.) on Second blank choices a.) reset b.) off c.) set d.) in Third choices a.) set b.) off c.) reset d.) on Fourth blank options: a.) on b.) set c.) reset d.) off
### Set/Reset Latch Circuit Schematic The diagram displayed above represents a completed SR (Set/Reset) Latch schematic from Step 4. #### Components: 1. **Power Supply Block (PSB)**: Provides a constant 5V power source to the circuit. 2. **Resistors**: - **R1**: 1 kΩ - **R2**: 1 kΩ - **R3**: 100 kΩ - **R4**: 100 kΩ 3. **Diode**: - **D1**: 1N4007 4. **LED**: - **D2**: Yellow (represents the output state) 5. **Transistors**: - **Q1**: 2N2222 - **Q2**: 2N2222 6. **Switches**: - **SW1**: Set switch - **SW2**: Reset switch #### Circuit Description: - The power supply PSB outputs a constant 5V, which is distributed throughout the circuit. - **R1** and **R2** are current-limiting resistors for the base of the transistors **Q1** and **Q2** respectively. - **D1** is a protection diode, connected in parallel with **Q1** to prevent back EMF. - **R3** and **R4** provide biasing for **Q1** and **Q2**. **Operation:** - **SW1** (Set Switch): When closed, **SW1** sets the latch. This action controls the [Select] function, turning the LED [Select]. - **SW2** (Reset Switch): When closed, **SW2** resets the latch. This action controls the [Select] function, turning D2 [Select]. This SR latch is used to control the state of the LED **D2**, providing a visual indication of the circuit's state (set or reset).
Transcribed Image Text:### Set/Reset Latch Circuit Schematic The diagram displayed above represents a completed SR (Set/Reset) Latch schematic from Step 4. #### Components: 1. **Power Supply Block (PSB)**: Provides a constant 5V power source to the circuit. 2. **Resistors**: - **R1**: 1 kΩ - **R2**: 1 kΩ - **R3**: 100 kΩ - **R4**: 100 kΩ 3. **Diode**: - **D1**: 1N4007 4. **LED**: - **D2**: Yellow (represents the output state) 5. **Transistors**: - **Q1**: 2N2222 - **Q2**: 2N2222 6. **Switches**: - **SW1**: Set switch - **SW2**: Reset switch #### Circuit Description: - The power supply PSB outputs a constant 5V, which is distributed throughout the circuit. - **R1** and **R2** are current-limiting resistors for the base of the transistors **Q1** and **Q2** respectively. - **D1** is a protection diode, connected in parallel with **Q1** to prevent back EMF. - **R3** and **R4** provide biasing for **Q1** and **Q2**. **Operation:** - **SW1** (Set Switch): When closed, **SW1** sets the latch. This action controls the [Select] function, turning the LED [Select]. - **SW2** (Reset Switch): When closed, **SW2** resets the latch. This action controls the [Select] function, turning D2 [Select]. This SR latch is used to control the state of the LED **D2**, providing a visual indication of the circuit's state (set or reset).
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