What is the exact voltage of a standard USB data signal in either data wire? I'd assume they are the same. I know that the power wires are 5 volts. - Quora
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What voltage is in a phone micro USB? Is it more than 3.7V so it can power a little amplifier? - Quora
![ANP024: The USB Interface from an EMC Point of View - Documents - Würth Elektronik - element14 Community ANP024: The USB Interface from an EMC Point of View - Documents - Würth Elektronik - element14 Community](https://community.element14.com/resized-image/__size/463x374/__key/communityserver-wikis-components-files/00-00-00-00-56/5584.contentimage_5F00_121058.jpg)
ANP024: The USB Interface from an EMC Point of View - Documents - Würth Elektronik - element14 Community
![Amazon.com: UCTRONICS DC ±10V 0/4-20mA Current Voltage Signal Generator, USB Power Supply Interface Analog Simulator for PLC and Panel Debugging, Device Testing, Frequency Converter, Flow Valve : Industrial & Scientific Amazon.com: UCTRONICS DC ±10V 0/4-20mA Current Voltage Signal Generator, USB Power Supply Interface Analog Simulator for PLC and Panel Debugging, Device Testing, Frequency Converter, Flow Valve : Industrial & Scientific](https://m.media-amazon.com/images/I/71L9k7DO2TL._AC_SL1500_.jpg)