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HV-PA500-1
HV-PA

Power Amplifier HV-PA500-1
High-Voltage Power Amplifier for Driving Piezoelectric Actuators

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This device contains a fast high-voltage power amplifier.

The amplifier is able to provide an output power of about 500 VA to loads with a significant capacitance. The output voltage is bipolar and ranges from 0 to ±250 V. The output current can continuously reach values of up to 1 A.

Optional monitor outputs allow for controlling the output signal. Phase-accurate voltage or current scanning is available.

The amplifier and its power supplies are linearly operating circuits. Thus, the emission level of electromagnetic radiation is very low.

Technical Data

Characteristics

  • High-voltage power amplifier
  • High output power, high bandwidth
  • DC accuracy, low noise
  • Short-circuit proof, overcurrent and overtemperature protection
  • 19" case

Input

  • Connector: 50 Ohm BNC socket
  • Input voltage: ±1 V
  • Permissible overload: ±10 V
  • Input impedance: ca. 1 MOhm

Output

  • Connector: 50 Ohm MHV socket
  • Output voltage: ±250 V
  • Output current: ±1 A continuous, peak: ±2 A typ.
  • Short-circuit proof: short-circuit duration indefinite
  • Bandwidth with a capacitive load of 0–10 nF (-3dB): DC –  >300 kHz
  • Power bandwidth (sinusoidal output 250 Vp): >100 kHz without load, 90 kHz typ. with a capacitive load of 10 nF
  • Output offset voltage: 5 mV typ., < 10 mV
  • Noise voltage and output ripple (DC–10 MHz): 50 mVeff typ., < 100 mVpp

Cooling

  • Passive cooling: Extruded heatsink on the rear panel
  • Forced cooling: four fans (120×120×38 mm3, max. 3400 rpm)
  • Fan control: proportional controller
  • Temperature monitoring: shutdown threshold ca. 60°C, hysteresis: ca. 10°C

Power Supply

  • Nominal voltage: 230 V or 115 V, ±10% (changeable by a voltage selection switch)
  • Nominal frequency: 50/60 Hz
  • Mains connection: IEC inlet with EMC filter and integrated fuse holder
  • Inrush current: <2 A at 230 V, <4 A at 115 V (limited by an inrush current limiter)
  • Power consumption: 800 VA at full load, 100 VA without load
  • Fuse: T 5 A at 230 V, T 8 A at 115 V

General

  • 6 U 19" bench-top case:
    • Height: 266 mm, width: 448 mm, depth: 380 mm
    • Total depth including heatsink, fans, and handles: 550 mm
    • Total height including case feet: 280 mm
  • Heatsink: black anodized extruded aluminum profile on the rear panel
  • Forced cooling:
    • Four 120 mm fans on the heatsink
    • Temperature-dependent regulation of the fan speed
    • Monitored fan operation, warning in the event of fan failures
  • Weight: 28 kg
  • Cleaning: only use a damp cloth, avoid use of organic solvents

Download

User Manual

HV-PA500-1_1-00_0.pdf HV-PA500-1_1-00_0.pdf, 662.6 KB: Download the user manual (currently only available in German)
Information on how to open the various file formats can be found here.

Additional Information

Shipment Contents

  • High-voltage power amplifier HV-PA500-1 in a 19" case
  • Line cord (universal IEC mains lead, length 1.8 m)
  • User manual (see above)

Accessories

Coaxial cables
BNC, SHV, MHV, and combinations
(Not part of the shipment, please order separately)