Antique radios, Old Time Radios
NDG180
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Country:
Hungary
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| Identical to |
NDG180
= REN1817d
|
| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fa)
Sidecontact.
|
| Filament |
Vf 20 Volts / If 0.18 Ampere / Indirect / Specified current DC = (Series working) |
| Description |
This tube is a tetrode to be used as self oscillating frequency converter. The oscillator feedback is applied to grid 1, the input signal to grid 2. Its amplification is low and not to control, the oscillator voltage is closely coupled to the input circuit.
Text in other
languages (may
differ)
|
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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NDG180: Telefunken Werkstattbuch
Wolfgang Bauer
|
Just Qvigstad
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NDG180: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
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