• Country
• Great Britain (UK)

• Manufacturer / Brand
• Sinclair Radionics Ltd.; St. Ives (Cambridge)

• Year
• 1958

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 133986

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

• Number of Transistors
• 3

• Semiconductors

• Main principle
• 3 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1.3 Volt

• Loudspeaker
• - only for Earphone!

• Material
• Various materials

• from Radiomuseum.org
• Model: Micro-Midget - Sinclair Radionics Ltd.; St.

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 1.375 x 0.875 x 0.75 inch / 35 x 22 x 19 mm

• Notes
• A midget transistor design by Sinclair, published in the Practical Wireless magazine, Nov 1958. Construction cost £4. This was the first of several midget radios designed by Sinclair.

• Mentioned in
• Practical Wireless, Nov 1958 edition.

• Author
• Model page created by Keith Staines. See "Data change" for further contributors.

• Other Models

• Here you find 42 models, 40 with images and 19 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sinclair Radionics Ltd.; St. Ives (Cambridge)