Pyramid Phase III PS-35

Tenna Corporation; Warrensville Heights

Data
Forum
Pictures
Collections

  • Year
  • 1975 ??
  • Category
  • Power supply/conditioner or battery or charger 
  • Radiomuseum.org ID
  • 340232

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

 Technical Specifications

  • Number of Transistors
  • 5
  • Wave bands
  • - without
  • Details
  • Power Supply (not only Batt.El.)
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Pyramid Phase III PS-35 - Tenna Corporation;
  • Notes

  • The Pyramid Phase III PS-35 is an LM-723 based power supply with a nominal output designed for 13.8 VDC at 35 amperes with built-in current limiting and an overvoltage crowbar circuit set for an upper voltage limit of 15VDC. The input is fused at 6 Amperes.  The 2N5302 pass transistors can also be used as an alternate to each 2N3772.  The PS-35 is part of a family of similar power supplies including the PS-25, PS-35, and PS-50.   The unit uses an auto-reset thermal breaker which will cycle off at 95 degrees C and reset at 70 degrees C.  

    Made in Japan

  • Literature/Schematics (1)
  • schematic uploaded
  • Author
  • Model page created by Rich Post. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum