• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Shack (Tandy, Realistic, Micronta); USA

• Year
• 1978

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 325200

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

• Number of Transistors
• 4

• Semiconductors
• 2SB187 2SB186 2SD187 2SD187 unknown_diode

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 1 x 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 cm = 2 inch

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Micronta Transistorized Signal Tracer 22-010 - Radio Shack Tandy, Realistic,

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

• Dimensions (WHD)
• 67 x 128 x 40 mm / 2.6 x 5 x 1.6 inch

• Notes

• Signal tracer with AF and RF input.

  Made in Japan

• Net weight (2.2 lb = 1 kg)
• 0.550 kg / 1 lb 3.4 oz (1.211 lb)

• Mentioned in
• - - Manufacturers Literature

• Literature/Schematics (1)
• -- Original prospect or advert (Electronics Australia, August 1978)

• Author
• Model page created by Gianluigi Miazzi. See "Data change" for further contributors.

• Other Models

• Here you find 1299 models, 1181 with images and 117 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Shack (Tandy, Realistic, Micronta); USA