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What is the difference between a positive voltage reading from a negative one?

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A positive voltage reading refers to a voltage value that is greater than zero, while a negative voltage reading refers to a voltage value that is less than zero. Positive voltage can be generated through a positive voltage generation circuit, which converts electric energy into positive voltage values using a DC-DC converter . On the other hand, negative voltage can be generated through a negative voltage generation circuit, which also converts electric energy but into negative voltage values . The difference between positive and negative voltage readings lies in their polarity, with positive voltage having a positive polarity and negative voltage having a negative polarity. The generation of positive and negative voltages is important in various applications, such as non-volatile memory programming , voltage transformation circuits , and voltage transformation circuits for preventing breakdown and improving circuit reliability .

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Patent Negative voltage transformation circuit Guangjun Yang, Jian Hu - Show less +1 more 01 Aug 2012 2 Citations	The provided paper does not explicitly mention the difference between a positive voltage reading and a negative one. The paper focuses on a negative voltage transformation circuit and its benefits in terms of preventing breakdown of metal oxide semiconductors and improving circuit integration.
Open access•Journal Article•DOI Estimating Voltage Asymmetry Making by One Phase Micro-generator in Low Voltage Network M. Sobierajski, Wilhelm Rojewski - Show less +1 more 31 Dec 2014	The paper does not provide a direct answer to the question. The paper focuses on quantifying voltage asymmetry in a low voltage network, but it does not specifically discuss the difference between positive and negative voltage readings.
Patent Selective programming method for non-volatile memory Georg Tempel 24 Oct 1996	The paper does not provide a direct comparison between positive and negative voltages. The paper focuses on a selective programming method for non-volatile memory using negative program voltage and compensating with positive voltage.
Patent Positive and negative voltage generation circuit Lin Dapeng, Du Yang, Deng Xuebing - Show less +2 more 26 Feb 2014 4 Citations	The provided paper does not provide information about the difference between a positive voltage reading and a negative one.

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