Lark One Transistor TR-107

DDK (D.D.K.) Co. Ltd.; Tokyo

  • Year
  • 1962 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 138290

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

 Technical Specifications

  • Number of Transistors
  • 1
  • Semiconductors
  • Main principle
  • TRF with diode detector
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 9 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Lark One Transistor TR-107 - DDK D.D.K. Co. Ltd.; Tokyo
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Notes
  • Pocket-size radio with 1 PNP transistor as RF and AF amplifier in a reflex circuit; two diodes. Earphone output.
  • Source of data
  • -- Original-techn. papers.
  • Author
  • Model page created by Emilio Ciardiello. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

The model Lark One Transistor is part of the collections of the following members.

 Forum