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Mass Air Flow sensor
Mass Air Flow sensor

... According to my information the MAF signal wire is brown/blue. (your colors may be different) It is pin number 5 of the MAF connector. So the output signal from the MAF is connected to the variable resistor. The signal to the ECU can be adjusted. One more resistor is needed on the other side of th ...
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... 10 V are common. While a higher excitation voltage generates a proportionately higher output voltage, the higher voltage can also cause larger errors due to self-heating. Again, it is very important that the excitation voltage be very accurate and stable. Alternatively, one can use a less accurate o ...
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... Multilevel converters have superior characteristics over the standard two-level converter such as reduced output harmonics, lower dv/dt and switching loss. They are widely used in high or medium voltage (>3kV) power conversion systems thanks to their capability to handle higher voltage and higher po ...
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the complete Kit Notes - Mini-Kits

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Opto-isolator



In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal. Commercially available opto-isolators withstand input-to-output voltages up to 10 kV and voltage transients with speeds up to 10 kV/μs.A common type of opto-isolator consists of an LED and a phototransistor in the same opaque package. Other types of source-sensor combinations include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. Usually opto-isolators transfer digital (on-off) signals, but some techniques allow them to be used with analog signals.
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