Servo amplifiers are power electronics units that receive low-level command signals and deliver precisely regulated current or voltage outputs to drive actuator motors and control surfaces within flight-critical actuation systems. The category covers PWM-based drive electronics, torque and velocity control loops, FPGA or DSP signal processing, EMI-filtered power stages, and MIL-STD-compliant interface electronics supporting analogue, LVDT, and digital feedback schemes.
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