• Year
  • 1946/1947
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 211792

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

 Technical Specifications

  • Number of Tubes
  • 3
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Test Oscillator Model 640 - Jackson The Electrical
  • Shape
  • Tablemodel with Push Buttons.
  • Dimensions (WHD)
  • 8.5 x 9 x 6.5 inch / 216 x 229 x 165 mm
  • Notes
  • Radio Frequency Test Oscillator for radio servicing. Six push-button selected RF output ranges covering 100kHz to 32MHz. CW or 400Hz modulated RF output. Step and variable attenuators to adjust RF output level. 400 Hz external audio output.
  • Source of data
  • - - Data from my own collection
  • Author
  • Model page created by Milt Margolis. See "Data change" for further contributors.

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