Analog to Digital Converter

HPLC Analog to Digital Converters

An Analog To Digital Converter(ADC, A/D, A-D, or A-to-D) is a device or system that converts an analog signal (a measured response to changes in voltage or millivoltage) into a digital signal (a discrete-time signal where the time and the amplitude have discrete values). The process of analog-to-digital conversion has two steps, sampling and quantization. An ADC is defined by its bandwidth (the difference between the upper and lower frequencies in a continuous set of frequencies, typically measured in hertz) and its signal-to-noise ratio (a measure that compares the level of a desired signal to the level of background noise, typically expressed in decibels). The resolution of the converter indicates the number of discrete values it can produce over the range of analog values.

FAQ

  1. What is the interface to the computer? The common interfaces are GPIB, RS-232, Ethernet, and USB. Always keep in mind the type of interface that will work with your computer when choosing an ADC.
  2. How many channels does it have? Analog-To-Digital Converters most commonly have one or two channels. You may want to choose a multichanneled ADC, depending upon your process and needs.

 

Top HPLC Converter Manufacturers

HiTechTrader has a number of Analog to Digital Converters by manufacturers such as Perkin Elmer, Viscotek , and LabSystems, that are available for purchase.

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