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Definition of "PGA" |
Programmable Gain Amplifier: An amplifier whose gain can be varied by a separate input (usually a digital value). See: Programmable-Gain Amplifier, Using the MAX532 DAC / Professional Golfers Association, Programmable Gain Amplifier, Page Municipal Airport, Places to Grow Act, Pin Graphics Array, Producers Guild of America, Pure Grain Alcohol, Portug lia, Polyglycolic Acid, Peak Ground Acceleration, Propylene Glycol Alginate, California s Great America, Prison Governors Association, Programmable Gain Amplifier, Pharmacy Guild of Australia, / A programmable gain amplifier is an electronic amplifier (typically an operational amplifier) whose gain can be controlled by external digital or analog signals. The gain can be set from less than 1V/V to over 100V/V. Examples for the external digital signals can be SPI, I²C while the latest PGAs can also be programmed for offset voltage trimming, as well as active output filters. / See field-programmable gate array. |
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