Radios antiguas y Radios de Colección
724B
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País:
Estados Unidos
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| Idéntica a |
724B
= CV1793
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| Válvulas similares |
Other characteristic (electr. data):
724A
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| Usada en |
Radar |
| Filamento |
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| Descripción |
Disc-seal TR/ATR tube, with keep-alive electrode connected to a cap. External cavity at 8.6 to 9.7 GHz frequency.
Developed to protect solid state diode mixers against RF pulses generated by the magnetron transmitter, this TR switch incorporetes an igniter, the keep-alive electrode, that gives a bias ionization and improves spike protection of the receiver. The copper discs are shaped and supported by a special glass ring, to obtain a low temperature coefficient and a resonance drift with temperature as close as possible to that of the magnetron. The tubes were pretuned before exhaust, placing them in a special cavity and deforming the copper discs with a tool.
Similar to 724A, with mproved thermal compensation.
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| Literatura |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature BSTJ, The Gas Discharge T/R Switch
Tube Lore (I)
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724B: WF Dezimeterröhren Katalog B Juni 1956
Anónimo 652 Coleccionista
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