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MODEL 1834
FEATURES

Five output high voltage power supply: +12 kV @ 25μA, +3 to 5 kV @ 400μA, +375 to 825 V @ 600μA, 0 to +300 V, −70 V @ 5 mA

  • Five outputs: 12 kV anode, 5 kV focus, −70 V G1, 825 V G2, and 10 V 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 current-limited
  • Focus ripple under 2 V peak-to-peak due to anode transients
  • Very good cross regulation
  • Very low cross talk ripple
PRODUCTS & RESOURCES
DESCRIPTION
Model 1834 is an obsolete product and is no longer manufactured. Product information is shown here for the benefit of customers who are still using it.

The Model 1834 dynamic focus CRT high voltage power supply has five outputs, all current-limited, short circuit and arc protected, and programmed to shut down remotely. It features low focus ripple and excellent cross regulation.

SPECIFICATIONS
General
Input voltage±35 VDC ± 10%
Input current0.8 A maximum
Dimensions5.6 × 3.2 × 11.0 in.
Anode
Output voltage12 kV ± 50 V
Output current25 μA
Line regulation2.4 V maximum for ±10% input voltage change
Load regulation2.4 V maximum for no-load to full-load swing
Output ripple1.2 V peak-to-peak maximum at full load
Voltage metering12 V full scale
Time stability0.01% in 1 hour
Temperature coefficient200 ppm/°C
High voltage connectorLGH type (AMP 861253-1 or equivalent)
Focus
Output voltage3 to 5 kV ± 10%
Output current400 μA
Line regulation6.0 V maximum for ±10% input voltage
Load regulation12 V maximum for no-load to full-load swing
Output ripple6 V peak-to-peak maximum at full load
Voltage metering5 V full scale
Time stability0.01% in 1 hour
Temperature coefficient200 ppm/°C
High voltage connectorLGH type (AMP 861252-1 or equivalent)
Dynamic Focus
Input voltage0 to 10 V
Output voltage0 to 300 V
Modulation frequency3 kHz
Propagation time delay< 5 μs
Input resistance1 MΩ
G1
Output voltage−70 V ± 3.5 V
Output current5 mA
Line regulation0.070 V maximum for ±10% input voltage change
Load regulation0.210 V maximum for no-load to full-load swing
Output ripple0.025 V peak-to-peak maximum at full load
Time stability0.01% in 1 hour
Temperature coefficient200 ppm/°C
G2
Output voltage375 to 825 V ± 10 V, potentiometer adjustable
Output current600 μA
Line regulation10.0 V maximum for ±10% input voltage change
Load regulation5 V maximum for no-load to full-load swing
Output ripple1 V peak-to-peak maximum at full load
Time stability0.01% in 1 hour
Temperature coefficient200 ppm/°C
 
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