• Year
  • 1933 ?
  • Category
  • Radio module post 1925 (not a part, not a key)
  • Radiomuseum.org ID
  • 138936
    • Brand: Ferrodyne

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

 Technical Specifications

  • Main principle
  • RF-Circuit or wave trap (separate, can also be an antenna with amp.); ZF/IF 456 kHz
  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • from Radiomuseum.org
  • Model: Wave Trap - Stewart Warner Corp.; Chicago
  • Shape
  • Chassis only or for «building in»
  • Notes
  • This wave trap is designed to be used with any Stewart-Warner chassis using an intermediate frequency of 456 kilocycles. The trap will reduce or prevent code interference caused by powerful code stations which operate at or near this frequency.
  • Circuit diagram reference
  • Rider's Perpetual, Volume 5 = ca. 1934 and before

 Collections | Museums | Literature

 Forum