• Country
• Germany

• Manufacturer / Brand
• Techn. Büro f. HF-Entwicklung, Ing. v. Schroetter; Dresden

• Year
• 1953

• Category
• Radio module post 1925 (not a part, not a key)

• Radiomuseum.org ID
• 308720

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

• Main principle
• ZF/IF 468 kHz

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: 4-Kreis-ZF-Bandfilter ZF 52/U - Techn. Büro f. HF-Entwicklung,

• Shape
• Chassis only or for «building in»

• Notes

• 4-Kreis-ZF-Bandfilter 468 kHz mit umschaltbarer Bandbreite 3/10 kHz.

  Geeignet für den Neunkreis-Spulensatz HMS 52/5.

• Mentioned in
• -- Original-techn. papers.

• Author
• Model page created by Wolfgang Eckardt. See "Data change" for further contributors.

• Other Models

• Here you find 5 models, 1 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Techn. Büro f. HF-Entwicklung, Ing. v. Schroetter; Dresden