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MODEL 1848
FEATURES

Five output five-level dynamic high voltage voltage switching power supply: 6 to 14 kV @ 500μA

  • Replacement for Venus Scientific 271 beam penetration power supply
  • DESC B54E0051-2 part number
  • Rapid switching between 6 kV and 14 kV
  • Used in FAA operator displays and flight simulators
DESCRIPTION
Model 1848 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 1848 powers beam penetration CRTs. It may be programmed to rapidly switch among any five voltage levels between 6 kV and 14 kV. Voltage levels are set by front panel trim adjustments. Applying logic levels to the program inputs selects the preset voltages.

The 1848 is a legacy product that supports existing displays used for air traffic control and flight simulators. It is equivalent to the Model 271 formerly made by Venus Scientific and ELDEC.

SPECIFICATIONS
Input
Input voltage28 VDC
Line regulation6 V at 6 kV
1.4 V at 14 kV
Output
Default output levels1 = 6.0 kV
2 = 7.5 kV
3 = 9.0 kV
4 = 10.5 kV
5 = 12.0 kV
Output current500 μA
Output level switching rate100 Hz minimum at 500 μA load
Load regulation6 V at 6 kV
14 V at 14 kV
Output ripple14 V peak-to-peak at 14 kV
Transient response< 0.4 ms rise/fall time (6 to 14 kV)
< 0.4 ms rise/fall time (6 to 10 kV)
General
Dimensions6.6 × 3.0 × 7.8 in.