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Quanser Power Amplifer (QPA)

Quanser Power Amplifer (QPA)

Quanser’s Pioneering Four-Channel Linear Power Amplifier

QPA-L4-E Current
High-precision machines and drive systems will benefit from the rugged and compact Quanser Power Amplifier (QPA). The QPA-L4-E is a four-channel Linear (L) power amplifier with a circular Encoder (E) connector interfacing to four optical incremental encoders. Each channel of linear amplification operates in current mode. When operating in current mode, the QPA-L4-E is best suited for precision controls to drive inductive loads such as voice-coil actuators, coreless DC motors, magnetic bearings and more…. High force fidelity Haptic performance is obtained when operated in current mode due largely to the zero deadband the QPA-L delivers. The QPA-L is based on Quanser’s Linear Current Amplifier Module (LCAM) technology.

Applications which exclude the use of standard PWM amplifiers because of stringent noise requirements (or applications where dither due to PWM signals is unacceptable) can utilize the low-noise, wide-bandwidth and cost-effective QPA-L series.

Key Features & Performance:

  • Linear (zero deadband) in either voltage or current mode
  • Low-noise operation
  • High output current
  • Broad bandwidth in both current and voltage modes
  • Accurate current sensing Versatile:
  • Selectable amplifier gain
  • Adjustable current limit
  • Adjustable current (or voltage) offset
  • Selectable high/low enable input signal
  • Encoder circular connector to interface to 4 incremental encoders
  • I/O SCSI connector to interface to any Hardware-In-the-Loop (HIL) board
  • Runs from a single power outlet



Data Acquistion Solution Product Range


  • QPID


    PCI / PCIe DATA ACQUSITION BOARDS


  • Q2_8


    USB DATA ACQUSITION BOARDS

Product Information

McLCA_QPA_PIS_031708

iMath Asia
i-Math was incorporated in 2001 as an organization dedicated to delivering innovative high precision mathematical and control software solutions to the Educational, R&D, Engineering and Manufacturing industries in the ASEAN Region.

We offer unique and pioneeing 'state of the art' hardware and software solutions for business and educational needs.
Singapore's Office
i-Math Pte Ltd (HQ)
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Technical Support:support@i-math.com.sg
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General Information:info@i-math.com.my
Technical Support:support@i-math.com.my