Relay Box FRB-757

Yaesu-Musen Co. Ltd.; Tokyo

  • Year
  • 1990 ?
  • Category
  • Amateur Equipment (Other, but not Key)
  • Radiomuseum.org ID
  • 270967

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

 Technical Specifications

  • Number of Transistors
  • 1
  • Semiconductors
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • Powered by external power supply or a main unit.
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Relay Box FRB-757 - Yaesu-Musen Co. Ltd.; Tokyo
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 41 x 32 x 70 mm / 1.6 x 1.3 x 2.8 inch
  • Notes
  • The Relay Box incorporates a transistor switch and an extra heavy duty relay for controlling all types of linear amplifier without endangering the delicate internal switching circuitry of the Yaesu FT-757GX HF transceiver; suitable for any linear amplifier with T/R relays that require voltage in excess of 50V, and/or current in excess of 300 mA; suitable for Yaesu FT-747GX transceiver too.

  • Net weight (2.2 lb = 1 kg)
  • 0.2 kg / 0 lb 7 oz (0.441 lb)
  • Mentioned in
  • -- Original-techn. papers.
  • Author
  • Model page created by Emilio Focosi. See "Data change" for further contributors.

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