• Country
• Brazil

• Manufacturer / Brand
• Occidental Schools; São Paulo

• Year
• 1985–1995 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 238940

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

• Number of Transistors

• Semiconductors
• SN7400

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 4 x 1.5 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Injector de sinais OSK-31 - Occidental Schools; São Paulo

• Shape
• Miscellaneous shapes - described under notes.

• Notes

• Injetor de sinais, Kit 31 da escolha Occidental Schools.

  OSK-31: Kit em componentes
  MKE-31: Injector pré-montado
  SM-28A: Manual montagem

  Multivibrador do CI TTL 7400.

• Mentioned in
• -- Original-techn. papers.

Injector de sinais OSK-31

1672 KB

• Documents regarding this model

• Author
• Model page created by Manuel Henrique Oliveira-Jesus. See "Data change" for further contributors.

• Other Models

• Here you find 3 models, 3 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Occidental Schools; São Paulo