AGS-Engineering Inc.

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Analog Design

Analog Design: Analog electronics are those electronic systems with a continuously variable signal. In contrast, in digital electronics signals usually take only two different levels. The term ''analog'' describes the proportional relationship between a signal and a voltage or current that represents the signal. An analog signal uses some attribute of the medium to convey the signal's information. For example, a barometer uses the angular position of a needle as the signal to convey the information of changes in atmospheric pressure. Electrical signals may represent information by changing their voltage, current, frequency, or total charge. Information is converted from some other physical form ( such as sound, light, temperature, pressure, position) to an electrical signal by a transducer which converts one type of energy into another e. g. a microphone.

Analog systems invariably include noise; that is, random disturbances or variations, some caused by the random thermal vibrations of atomic particles. Since all variations of an analog signal are significant, any disturbance is equivalent to a change in the original signal and so appears as noise. As the signal is copied and re-copied, or transmitted over long distances, these random variations become more significant and lead to signal degradation. Other sources of noise may come from external electrical signals, or poorly designed components. These disturbances are reduced by shielding, and using low-noise amplifiers (LNA). In spite of its advantage in design and economics, once a digital electronic device has to interface with the real world, it needs an analog electronic device although the analog design process requires more experimentation.

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

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AGS-Engineering, Engineering Services and Design - Reverse Engineering - Research and Product Development,
Phone: 505-5506501 or 505-5655102, Fax: 505-814-5778, Skype: agstech1, Email:, Website:, Mailing address for checks, documents, paperwork: AGS-Engineering, PO Box: 4457, Albuquerque, NM, 87196 USA; To meet our marketing and sales team in person: AGS-Engineering, AMERICAS PARKWAY CENTER, 6565 Americas Parkway NE, Suite 200, Albuquerque, NM 87110, USA