Regulated Power Supply KTI-20

Kem-Tron Industries; Youngstown, OH

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  • Year
  • 1980 ??
  • Category
  • Power supply/conditioner or battery or charger 
  • Radiomuseum.org ID
  • 353740

 Technical Specifications

  • Number of Transistors
  • 5
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 120 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Regulated Power Supply KTI-20 - Kem-Tron Industries;
  • Shape
  • Tablemodel without push buttons, Mantel/Midget/Compact up to 14
  • Dimensions (WHD)
  • 11.5 x 4.5 x 10 inch / 292 x 114 x 254 mm
  • Notes

  • The Kem-Tron KTI-20 power supply is designed for regulated 13.8 volts at 20 amperes on an estimated 50% duty cycle.  The regulation is with a socketed LM-723 (14 pin DIP).  The intermediate transistor is a 2N6576 Darlington. It contains an adjustable over-voltage sensing crowbar, using a MC3423P 8 pin chip feeding a relay which shorts out the fused transformer primary when triggered, blowing the 5 amp fuse.

  • Mentioned in
  • -- Original-techn. papers. (Those Linear Power Supplies; Astron, Pyramid and Others - R Post - The Spectrum Monitor April-2024)
  • Author
  • Model page created by Rich Post. See "Data change" for further contributors.

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