Negadyn
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|
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Year:
1927 ??
|
Type: Radio - or past WW2 tuner |
| Valves / Tubes |
1:
|
| Principle |
TRF with reaction (regenerative)
|
| Wave bands |
Broadcast (MW) and Long Wave. |
| Details |
|
| Power type and voltage |
Storage and/or dry batteries |
| Loudspeaker |
- only for Earphone! |
| Power out |
|
| from Radiomuseum.org |
Model: Negadyn - KNN, Praha |
| Material |
Wooden case |
| Shape |
Portable set for batteries > 8 inch (with or without mains). |
| Notes |
Negadyne is a certain high sensitive demodulating circuit using a space charge tetrode, where positive feedback acts through interaction between the grids, hence no reaction coil is necessary. Alternatively a second mode can be selected: Crystal detection with audio amplification. |
Model page created by Gabriel Toth. See "Data change" for further contributors.
All listed radios etc. from KNN, Praha
Here you find 42 models, 2 with images and 0 with schematics.
