Connection circuit diagram using only 5V power supply
It is converted into a pulse width modulation (PWM) signal by the error processing link and output from the 3 pin (MC signal). At the same time, the differential of the position error is also calculated, which represents the speed of the D-motion, which is selected from the 6 and 7 feet as the system damping. They are proportional to positive speed and the other is proportional to negative speed. The two signals are converted to analog damping signals in an external operational amplifier. Another op amp can be used to combine the position error and damping signals into an analog signal that is used to control the unstaged power amplifier and drive the DC motor. The gain and damping of the system can be adjusted by two resistors, RD and R., to optimize the performance of the system.
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