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Jabiru 2200 voltage regulator

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cffd66(at)yahoo.com
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Posted: Sun Oct 20, 2013 9:05 am Post subject: Jabiru 2200 voltage regulator

I have Jabiru 2200 serial # 988 which has the 10 amp alternator.  I have the circuit diagram of the Kabota regulator.  Is there a writeup on how the regulator works?  It appears to have a differential amplifier to sense the bus voltage and the then compares it to the AC coming from the alternator.  I just don't understand how the zener diode provides a reference without a resistor to control the current through the zener and also how the AC wave is compared to the reference.  But then again I have always have had problems with PNP circuits.

Chuck D.



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