A range of PWM servoamplifiers for high-performance motion-control applications is available from Advanced Motion Controls, Camarillo, Calif. Features include high power density with peak currents ranging from 10 to 120 A and supply voltages ranging from 18 to 400 Vdc. Units with built-in 110 or 230 Vac are also available. Amplifier models drive rotary or linear motors of the brushed, brushless ac and brushless dc type. Various command signal interfaces include ±10-V analog, direct PWM, or U-V signals.