Start-and-run-motor-circuit
The timed two-voltage circuit can start and run a small DC motor or solenoid. The input voltage to the LM317 three-terminal regulator ranges from 5 to 40 V, and the output voltage can range from 2 to 36 V. With input voltage initially applied to the input, and capacitor C1 in a discharged state, the LM393 comparator's open-collector output circuit is open-circuited.
The described circuit utilizes an LM317 voltage regulator, which is a popular choice for providing a stable output voltage from a variable input voltage. The LM317 can handle input voltages from 5 V to 40 V and can output a voltage in the range of 2 V to 36 V, making it versatile for various applications. This regulator is particularly useful in circuits that require a precise voltage supply for components like small DC motors or solenoids, which are often used in automated systems.
The circuit functions by initially applying a voltage to the input while ensuring that capacitor C1 is in a discharged state. This configuration allows the LM393 comparator to monitor the voltage level. The comparator's open-collector output is initially in an open state, which means it does not conduct current until certain conditions are met.
When the circuit is powered, the capacitor C1 begins to charge. The LM393 comparator compares the voltage across C1 with a reference voltage. Once the voltage across C1 reaches the threshold level set by the reference, the output of the LM393 switches from an open state to a low state, allowing current to flow through the connected load, such as a DC motor or solenoid. This transition can be utilized to control the operation of the motor or solenoid, effectively allowing for timed activation based on the charging characteristics of capacitor C1.
In summary, this timed two-voltage circuit offers a reliable method for controlling small motors or solenoids by leveraging the properties of the LM317 voltage regulator and the LM393 comparator, ensuring stable operation across a range of input voltages.The timed two-voltage circuit can start and run a small de motor or solenoid. The input voltage to the LM317 three-terminal regulator ranges from 5 to 40 V, and the output voltage can range from 2 to 36 V. With input voltage ""N initially applied to the input, and capacitor Cl in a discharged state, the LM393 comparator"s open-collector output circuit is open-circuited. 🔗 External reference
The described circuit utilizes an LM317 voltage regulator, which is a popular choice for providing a stable output voltage from a variable input voltage. The LM317 can handle input voltages from 5 V to 40 V and can output a voltage in the range of 2 V to 36 V, making it versatile for various applications. This regulator is particularly useful in circuits that require a precise voltage supply for components like small DC motors or solenoids, which are often used in automated systems.
The circuit functions by initially applying a voltage to the input while ensuring that capacitor C1 is in a discharged state. This configuration allows the LM393 comparator to monitor the voltage level. The comparator's open-collector output is initially in an open state, which means it does not conduct current until certain conditions are met.
When the circuit is powered, the capacitor C1 begins to charge. The LM393 comparator compares the voltage across C1 with a reference voltage. Once the voltage across C1 reaches the threshold level set by the reference, the output of the LM393 switches from an open state to a low state, allowing current to flow through the connected load, such as a DC motor or solenoid. This transition can be utilized to control the operation of the motor or solenoid, effectively allowing for timed activation based on the charging characteristics of capacitor C1.
In summary, this timed two-voltage circuit offers a reliable method for controlling small motors or solenoids by leveraging the properties of the LM317 voltage regulator and the LM393 comparator, ensuring stable operation across a range of input voltages.The timed two-voltage circuit can start and run a small de motor or solenoid. The input voltage to the LM317 three-terminal regulator ranges from 5 to 40 V, and the output voltage can range from 2 to 36 V. With input voltage ""N initially applied to the input, and capacitor Cl in a discharged state, the LM393 comparator"s open-collector output circuit is open-circuited. 🔗 External reference
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