Motor Drive Products

GA-300-V Power Amplifier (Legacy)

Performance Controls designs ruggedized, high performance motor drives and servo amplifiers.

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PCI specializes in tackling unique power amplifier challenges. We do that by customizing existing products or by creating completely new designs, always in collaboration with our customers.

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  • Linear Motor (Voice Coil) Amplifier: 300 Volt, 200 Amp

The legacy GA-300-V Power Amplifier has been replaced by the newer product(s) below, which we invite you to consider.

If you currently use this legacy product, PCI can help with transitioning to a newer version solution. If repair or replacement is needed, PCI will be happy to assist.


The GA_300-V is a 300 VDC, 100 Arms, 200 Apk pulse width modulated power amplifier, intended for use in precision motion control systems and other applications. The amplifier operates from a single source of power and provides a precisely controlled, high fidelity output current. The amplifier is packaged to fit in a standard 19” rack width with a 5.25” height (3U) and 25.75” depth penetration into the rack. This power amplifier has been designed to operate in a controlled environment and to be enclosed within the overall system enclosure.

The GA300-V model is the voltage-controlled version of of the GA300 amplifier and is suitable for linear voice-coil motors requiring voltage-controlled power input.

Control Electronics

  • Command processing
  • Current loop and modulation control
  • Synchronization
  • Analog and digital I/O
  • Controls and status indicators
  • Pre-set and adjustable tuning

Power Electronics

  • Power stage topology
  • Power management
  • Electrical isolation
  • System capacitance
  • Thermal management
  • Instantaneous power device protection

Internal Power Supply

  • Input powered directly from the high voltage DC Bus
  • Provides all housekeeping power supplies
  • Provides fan power +24V
  • Provides isolation from high voltage DC bus

Power Interface

  • EMI / RFI suppression
  • Linear current sensing
  • Optional full galvanic isolation to chassis
  • Load and amplifier protection

PCI has a policy of continuous improvement and therefore reserves the right to update this information without notice to correct mistakes or to reflect specification changes. Please contact PCI to ask questions about this product or to confirm its specifications.