• Year
  • 1951 ?
  • Category
  • Power supply/conditioner or battery or charger 
  • Radiomuseum.org ID
  • 181083

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Storage and/or dry batteries / 24 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Power Supply PP-281 & PP-282 - MILITARY U.S. different makers
  • Shape
  • Miscellaneous shapes - described under notes.
  • Dimensions (WHD)
  • 73 x 113 x 148 mm / 2.9 x 4.4 x 5.8 inch
  • Notes
  • PP-282 is a steel box, containing a 115 Hz synchronous vibrator transformer PSU with choke, power out 135 volts DC at 118 mA. The schematic diagram can be found at the inside of the bottom-plate. It is a very compact unit and it fits in several models of military radio-equipment: AM-65/GRC, R-108/GRC, R-109/GRC, R-110/GRC. The PP-281/GRC variant is fitted if the equipment must operate from a 12 volts battery.
  • Net weight (2.2 lb = 1 kg)
  • 2.5 kg / 5 lb 8.1 oz (5.507 lb)
  • Source of data
  • - - Data from my own collection
  • Literature/Schematics (1)
  • -- Schematic (TM11-291 dated 1951 ,)
  • Author
  • Model page created by Jan Terranea. See "Data change" for further contributors.

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The model Power Supply is part of the collections of the following members.

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