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HV-AMP200-4
HV-AMP

Amplifier HV-AMP200-4
Variable Amplifier 4×200 V

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This device consists of two identical independent pairs of precision high-voltage amplifiers. Each pair produces at its two outputs a 10-times amplified sum and difference of the two input voltages. The amplifiers are low-noise and DC accurate. They can drive high capacitive loads without stability problems.

The input voltages can be controlled either manually by precision potentiometers or by external signals. The switching between the manual and external control takes place for each pair of amplifiers independently via a toggle switch.

Typical Applications: Generation of DC offset voltages for quadrupole mass analyzers (e.g. in connection with the modular radio frequency generator), control of electrostatic lenses and deflection systems

Technical Data

Characteristics

  • Four precise high-voltage amplifiers
  • Manual or external control of the output voltages
  • DC accuracy
  • Low noise
  • Short-circuit proof
  • 19" case

Input

  • External inputs: four 50 Ohm BNC sockets (VM and VD)
  • Input voltage: ±10 V max.
  • Input impedance: 47 kOhm
  • Manual control: four precision 10-turn potentiometers

Output

  • Signal outputs: four 50 Ohm BNC sockets
  • Function:
    • VOut1 = 10VM + 10VD
    • VOut2 = 10VM - 10VD
  • Output voltage: ±200 V max. (> ±190 V)
  • Output current: ±50 mA max.
  • Short-circuit proof: short-circuit duration indefinite
  • Bandwidth (-3 dB): DC–10 kHz, internally adjustable
  • Power bandwidth (sinusoidal output 100 Vp): 300 Hz typ., 80 Hz typ. for a capacitive load of 1 µF
  • Output offset voltage: < 100 µV
  • Noise (DC–100 kHz): 120 µVeff typ., < 1.5 mVpp
  • Accuracy of the amplification at low frequencies: < 0.5% (0.1% typ.)
  • Temperature coefficient of the amplification at low frequencies: < 100 ppm/K (25 ppm/K typ.)

Power Supply

  • Rated voltage: 230 V or 115 V ±10%
  • Rated frequency: 50/60 Hz
  • Power consumption: < 60 VA at full load, < 10 VA without load

General

  • 2 U 19" plug-in unit for mounting in a 19" cabinet
  • Dimensions:
    • Height: 88 mm, width: 483 mm
    • Depth with heat sink without handles: 325 mm
  • Cooling: passive heat sink on the rear panel
  • Weight: 6.4 kg

Download

User Manual

Beschreibung-1.20_A.pdf Beschreibung-1.20_A.pdf, 922.6 KB: Download the user manual (currently only available in German)
Older versions
Beschreibung-1.10_B.pdf Beschreibung-1.10_B.pdf, 1092 KB
Beschreibung-1.10_A.pdf Beschreibung-1.10_A.pdf, 1069 KB
Beschreibung-1.00_A.pdf Beschreibung-1.00_A.pdf, 1043 KB
Information on how to open the various file formats can be found here.

Additional Information

Shipment Contents

  • Variable Power Supply / Power Amplifier HV-AMP200-4
  • Line cord (universal IEC mains lead, length 1.8 m)
  • Material for mounting in a 19" cabinet
  • User manual (see above)

Accessories

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