Osciloscopio OP-237-B

• Country
• Spain

• Manufacturer / Brand
• Promax; Barcelona

• Year
• 1982 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 227820

• Picture
• Schematics

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

• Number of Tubes
• 1

• Valves / Tubes
• 75ARB1

• Number of Transistors
• 18

• Semiconductors
• 2N2222 BF458 MC140 2N3958 SC107 BFW11 BC307 BSX20 CA3086 µA710 SN7474 1N4148 1N542 µA78xx

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 125; 220 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Osciloscopio OP-237-B - Promax; Barcelona

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 320 x 145 x 280 mm / 12.6 x 5.7 x 11 inch

• Notes

• Monocanal, pantalla de 3". CC-13 MHz @ -3dB. 

  Semcionductores listados una única vez por tipo.

  Each semiconductor type listed once.

  SN7474 de la serie LS (74LS74)

• Net weight (2.2 lb = 1 kg)
• 4.370 kg / 9 lb 10 oz (9.626 lb)

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Miguel Bravo-Cos. See "Data change" for further contributors.

• Other Models

• Here you find 189 models, 171 with images and 69 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Promax; Barcelona