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Benefits of Making Use of Resistor Networks to Design Electrical Circuits
A resistor network consists of a single component which has several resistors connected together. They function as a unit as opposed to using single and separate resistors. This arrangement is made while considering the total resistance value that should be to be supplied to the circuit. The most common design material used in this case is the thick film technology. The reason why it is favored is because it has better qualities that include its high resistance measured per unit area, high power handling capacity as well as low cots when likened to other materials. Here are some of the advantages of using resistor networks in circuit design.
Resistor networks have a wide range of applications. Resistor networks find a wide range of applications across the electronics industry. The network resistors usually have better qualities than the single discrete resistors. Commercial and military, as well as medical and industrial devices mainly make use of resistors in network. They are incorporated into sensors, transistors, and various other devices. The way the networks are designed for each application is different, depending on the unique features of the device. Resistors used in sensors, for instance, make use of value matching, which is not so much important for the pull up/pull down applications.
Use of resistor networks creates the possibility of saving circuit board space. It is possible to adopt a single line module arrangement of resistor networks which can be mounted vertically. The kind of mounting adopted for this design of network resistors takes up minimal space as compared to the mounting of the individual resistors with the same effective resistance. You can also adopt a high packing density of tracks and gaps because of the less space required for mounting.
There is improved efficiency of dissipating heat in the circuit. One of the major functions of resistors in the circuit is to dissipate heat. Their arrangement on the circuit board should therefore be in such a way that it’s possible to achieve the maximum possible heat dissipation from the circuit. The resistor network arrangement is the most ideal arrangement to achieve the maximum heat dissipation possible. The resistors are mounted in a vertical position on the board, meaning that there is space for the free movement of air amidst the components, a phenomenon that may not be achievable with discrete resistors.
Network resistors are capable of value matching. This is because it is dependent on several factors such as temperature coefficient of resistance, changes in the resistor load as well as the sizes of resistors themselves. A resistor network is normally made up of resistors that have almost similar properties, if they are not all similar. Value matching can, therefore, be achieved in a network of resistors because the individual components are similar in characteristics.