DITHER CONTROL CIRCUIT FOR RING LASER GYRO AND RING LASER GYRO INSTRUMENT

摘要

PROBLEM TO BE SOLVED: To make adjustment work of a resistor value of a dither pickoff resistor unnecessary and there reduce costs.

SOLUTION: The dither control circuit is provided with a state machine 62. The state machine 62 has: a state in which a select signal for selecting output of a dither angular velocity signal is outputted to a multiplexer 61 and amplitude Xa of a dither pickoff signal A/D converted when a controller target value Xb is outputted to a subtractor 53 is acquired; and a state in which the select signal for outputting the dither pickoff signal A/D converted is outputted to the multiplexer 61 and the amplitude Xa is outputted to the subtractor 53 as a controller target value.

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