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MODEL 1953
FEATURES

Five output high voltage power supply: +18 kV @ 360 μA, +3.25 to 5.4 kV @ 25 μA, 350 to 750 V @ 30 mA, 0 to +300 V, 1 mA

  • Five outputs: anode, focus, G1, G2, and dynamic focus
  • Low line and load regulation of high voltage outputs
  • All outputs short circuit and arc protected, arc and short recovery tested
  • Remotely programmed shutdown for each output
  • Each output is current- and voltage-limited
  • Very good cross regulation
  • Low crosstalk ripple
  • Low temperature coefficient
PRODUCTS & RESOURCES
DESCRIPTION
Model 1953 is an obsolete product and is no longer manufactured. Product information is shown here for the benefit of customers who are still using it.

Model 1953 boasts five outputs: anode, focus, G1, G2, and dynamic focus. Each output is short circuit and arc protected and recovery tested. Remotely programmed shutdown accompanies each output. The 1953 has excellent cross talk regulation and low cross talk ripple.

SPECIFICATIONS
Voltage
Input voltage28 VDC ± 10%
Input current0.8 A maximum
Anode
Output voltage18 kV ± 360 V
Output current300 μA
Line regulation9 V maximum for ±10% input voltage change
Static load regulation9 V maximum for no-load to full-load swing
Dynamic load regulation50 V peak-to-peak maximum
Output ripple4 V peak-to-peak at full load
Time stabilityMaximum 9 V in 8 hours
Temperature coefficient100 ppm/°C
High voltage connectorLGH type, AMP 858868-1 or equivalent
Focus
Output voltage3.25 to 5.4 kV ± 40 V
Output current25 μA
Line regulation9 V maximum for ±10% input voltage change
Static load regulation2 V maximum for no-load to full-load swing
Dynamic load regulation32 V peak-to-peak maximum
Output ripple6 V peak-to-peak at full load
Time stabilityMaximum 2 V in 8 hours
Temperature coefficient100 ppm/°C
High voltage connectorLGH type, AMP 858855-1 or equivalent
Dynamic Focus
Input voltage0 to 10 V
Output voltage0 to 300 V
Modulation frequency3 kHz
Input resistance2.5 MΩ
Propagation time delay< 0.5 μs
Positive slew rate55 V/μs
Negative slew rate55 V/μs
G1
Output voltageTemperature coefficient
Output current1 mA
Line regulation0.2 V maximum for 10% input voltage change
Load regulation1 V maximum for no-load to full-load swing
Output ripple0.2 V peak-to-peak at full load
Time stabilityMaximum 1 V in 8 hours
Temperature coefficient500 ppm/°C
G2
Output voltage350 to 750 V ± 5 V, potentiometer adjustable
Output current30 mA
Line regulation0.5 V maximum for ±10% input voltage change
Load regulation2.75 V maximum for no-load to full-load swing
Output ripple1.5 V peak-to-peak at full load
Time stabilityMaximum 2.5 V in 8 hours
Temperature coefficient100 ppm/°C
Output connectorLGH type, AMP 830200-1 or equivalent
Mechanical
Dimensions7.2 × 2.0 × 8.2 in.
 
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