• Country
• Great Britain (UK)

• Manufacturer / Brand
• Datong Electronics, Ltd.; Leeds

• Year
• 1980

• Category
• Amateur Equipment (Other, but not Key)

• Radiomuseum.org ID
• 166695

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

• Number of Transistors
• 4

• Semiconductors
• BC212 BC182 BC182 BC182

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 7 cm = 2.8 inch

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Morse Tutor D70 - Datong Electronics, Ltd.;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 130 x 37 x 185 mm / 5.1 x 1.5 x 7.3 inch

• Notes
• ICs: 11
  Datong Morse Tutor D70.
  Sends a continuous stream of precision Morse in five character groups which never repeat; variable speed and variable delay between characters; letters only, numbers only or mixed; built-in tone oscillator for sending practice (key required); earphone socket for private listening.

• Net weight (2.2 lb = 1 kg)
• 0.345 kg / 0 lb 12.2 oz (0.76 lb)

• Source of data
• - - Manufacturers Literature

• Literature/Schematics (1)
• -- Schematic

• Author
• Model page created by Bernd P. Kieck. See "Data change" for further contributors.

• Other Models

• Here you find 11 models, 9 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Datong Electronics, Ltd.; Leeds