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Resistor Networks, Arrays

Resistor networks and arrays are used in a variety of applications, from analog signal conditioning applications such as filtering, amplification and measurement to switching circuits, optoelectronics, power management and others. They are also used to provide custom interface solutions, as well as to replace costly discrete components in time-critical applications. A resistance network comprises resistors in a particular configuration, such as a daisy chain or a mesh. These networks can also be made of active components, such as op-amps, transistors, and other integrated circuits. A resistor array usually refers to a regular arrangement of resistors.

One of the most common uses of resistor arrays is for applying resistance in a time-critical manner. Resistor arrays are often used as impedance matching elements, as they are often more reliable and less costly than using discrete resistors. Additionally, they offer better temperature stability, which is important in applications such as Measurement and Instrumentation, Broadcast, and Control systems where accuracy is paramount. In many cases, resistor arrays can be used to reduce power consumption by implementing changes in resistive values that result in increased efficiency.

Resistor arrays are also employed in industrial control systems. For example, in flying spot scanners, a resistor array is used to detect the intensity of the beam of light and control the speed of the scanner accordingly. Resistor networks are also used in motor control applications such as servo motors and robot wands, where they act as controllers for the motion of the motor. Similarly, resistor networks are used in programmable logic controllers (PLCs) to adjust the current flow and control the output of motors.

Resistor networks and arrays are also used in communication applications, such as network repeaters and wireless transmitters and receivers. Resistor networks are used to amplify signals and decrease noise, as well as for impedance matching and other types of signal conditioning. They are used in both analog and digital systems, where they are ideal in applications requiring high speed, low noise, and multiple signal paths.

Finally, resistor networks are used for feedback control, or control of electrical signals. For example, in DC-DC converters, resistor networks are used to control the output of the converter, ensuring the desired voltage is achieved. Additionally, resistor networks are often used as balancing networks in charging systems, where they ensure that current is equally distributed across the load.

In summary, resistor networks and arrays have many applications in a variety of industries, with their primary functions being impedance matching, current limiting, and signal conditioning. Resistor arrays are available in standard values as well as customized configurations, and are often employed in industrial control systems, communication applications, and feedback control. They are an important component in achieving reliable, accurate, and cost-efficient operation in an ever increasing number of complex applications.

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