AGS-Engineering Inc.


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Digital Design


Digital Design: Digital electronics are systems that represent signals as discrete levels, rather than as a continuous range. In most cases the number of states is two, and these states are represented by two voltage levels: one near to zero volts and one at a higher level depending on the supply voltage in use. These two levels are often represented as ''Low'' and ''High.''


The fundamental advantage of digital techniques stem from the fact that it is easier to get an electronic device to switch into one of a number of known states than to accurately reproduce a continuous range of values.


Digital electronics are usually made from large assemblies of logic gates, simple electronic representations of Boolean logic functions.


One advantage of digital circuits when compared to analog circuits is that signals represented digitally can be transmitted without degradation due to noise. In a digital system, a more precise representation of a signal can be obtained by using more binary digits to represent it. While this requires more digital circuits to process the signals, each digit is handled by the same kind of hardware.


Computer-controlled digital systems can be controlled by software, allowing new functions to be added without changing hardware. Often this can be done outside of the factory by updating the product's software. So, the product's design errors can be corrected after the product is in a customer's hands.


Information storage can be easier in digital systems than in analog ones. The noise-immunity of digital systems permits data to be stored and retrieved without degradation. In an analog system, noise from aging and wear degrade the information stored. In a digital system, as long as the total noise is below a certain level, the information can be recovered perfectly.


In some cases, digital circuits use more energy than analog circuits to accomplish the same tasks, thus producing more heat. In portable or battery-powered systems this can limit use of digital systems. Also digital circuits are sometimes more expensive, especially in small quantities.


The sensed world is analog, and signals from this world are analog quantities. For example, light, temperature, sound, electrical conductivity, electric and magnetic fields are analog. Most useful digital systems must translate from continuous analog signals to discrete digital signals. This causes quantization errors.



We have engineers specialized in digital design and testing. If you have a project you would like us to evaluate, contact us.



If you are mostly interested in our manufacturing capabilities instead of engineering capabilities, we recommend you to visit our custom manufacturing site http://www.agstech.net



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AGS-Engineering, Engineering Services and Design - Reverse Engineering - Research and Product Development,
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