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The simple addition of a transistor and resistor to the open-circuit drive overcomes this dilemma by limiting current through the drive transistor. Transistor Q2 provides the open-collector drive ...
Often, designers add series resistor R9 as a tool to measure and verify stability of the feedback loop. In production, this may be replaced with a zero Ohm resistor. The open circuit protection ...
In the upcoming Open Circuits from No Starch Press, authors Windell Oskay, co-founder of Evil Mad Scientist Laboratories, and […] TechCrunch Desktop Logo TechCrunch Mobile Logo Latest ...
National 5; Practical electrical and electronic circuits Calculating the value of the series resistor. Measurement and analysis of current and voltage in simple circuits allows us to formulate ...
This circuit can be used to determine the relationship between the current and the voltage for different components. The variable resistor can be adjusted in order to give a range of voltages.