M.F. Trimoscillator UN-21
Amroh NV (Radio Bulletin monthly), Muiden
- Country
- Netherlands
- Manufacturer / Brand
- Amroh NV (Radio Bulletin monthly), Muiden
- Year
- 1953
- Category
- Service- or Lab Equipment
- Radiomuseum.org ID
- 225498
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 2
- Main principle
- something special ? Please give information (notes)
- Tuned circuits
- 1 AM circuit(s)
- Wave bands
- Wave Bands given in the notes.
- Power type and voltage
- Alternating Current supply (AC) / 127; 220 Volt
- Loudspeaker
- - - No sound reproduction output.
- Material
- Metal case
- from Radiomuseum.org
- Model: M.F. Trimoscillator UN-21 - Amroh NV Radio Bulletin
- Shape
- Chassis only or for «building in»
- Notes
-
UN-21 is a medium frequency (350 - 504 kHz) oscillator to align a superhet's M.F. transformers. The alignment of the oscillator is discussed in the text attached to the schematic.
- Mentioned in
- Radio Bulletin (juni 1953)
- Author
- Model page created by Rob Majoor. See "Data change" for further contributors.
- Other Models
-
Here you find 240 models, 208 with images and 231 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Amroh NV (Radio Bulletin monthly), Muiden