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MODEL 2593
FEATURES

Single output power supply: +10/15 kV @ 1.5 mA

  • Output ripple under 200 mV peak-to-peak
  • Temperature coefficient under 50 ppm/°C
  • Stored energy under 0.1 J at 15 kV
  • Low reflected ripple on input power line
  • Compact case size
  • Overvoltage and overcurrent limited
  • Short-circuit and arc protected
  • Automatic output voltage recovery following arcs and short circuits
  • Common applications include electron beam, ion beam, and X-ray generators
DESCRIPTION

Model 2593 is a high-stability power supply designed for the difficult requirements of focused ion and electron beam systems and X-ray tubes. It features low ripple and low stored energy.

The low stored energy at the output reduces computer system upsets when arcing occurs within the beam column, and prevents damage to the semiconductor wafer being probed. The low output ripple is the result of using sine wave excitation to the high voltage multiplier, as well as the use of a novel ripple cancellation circuit. This avoids the use of a large value output capacitor, and sine wave excitation generates less noise on the input power line in comparison to square wave excitation.

The 2593 uses separate power return lines for the high voltage load, the input power, and the voltage programming reference. Separating these signals reduces unwanted interaction between the critical programming reference and the other circuits.

NOTE: CPS also offers a 10 kV version of Model 2593. Certain specifications in the table below may only be applicable to the standard 15 kV version of the 2593. Please call for further details regarding customization of this product.

SPECIFICATIONS
Input
Input voltage24 VDC ± 5% at 1.5 mA
Input current1.4 A maximum
Line regulation0.005% for ±10% change in input voltage
Output
Output voltage15 kV maximum, programmable (10 kV version available)
Output current1.5 mA maximum
Load regulation0.005% for full swing from no load to full load
Output ripple< 200 mV peak-to-peak at full load
Time stability0.005% in 1 hour
0.01% in 8 hours
General
Operating temperature0 to 45 °C
Temperature coefficient< 50 ppm/°C
Output connectorPotted style, Caton LGG 21 or AMP LGH 21 (flying lead optional)
Program voltage5 V for full scale output (10 V optional)
Voltage monitor5 V for full scale output (10 V optional)
Dimensions6.0 × 2.1 × 3.7 in.
PRICES
Model Description Price Order Qty.
1 2–9
2593 Single output power supply: +10/15 kV @ 1.5 mA $996 $878 Call
2593NSingle output power supply: 0 to −15 kVCallCall 
2593-10Single output power supply: 10 kVCallCall