Der Neutrodyne-Empfänger by Dr. Rosa Horsky (auth.)

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By Dr. Rosa Horsky (auth.)

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Extra resources for Der Neutrodyne-Empfänger

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8. Dei. B. + 0 :I Abb. 38. Batterieanschluß brett. Gitter der in Frage kommenden Röhren verbunden. Abb. 37 gibt die notwendigen Bohrungen der Hartgummipla tten an. Antenne, Erde und Telephonansch lüsse werden auf der Vorderplatte des Abb. 39. Innenansicht des Neutrodyne-Reflexempfängers. Apparates montiert. Für die Batterieanschlü sse wird die Rückwand des Apparates, wie in der Abb. 38 angegeben, durchbohrt. Die verwendeten Röhren sind die Müllersehen 201B. Abb. 39 zeigt die Innenansicht des Empfängers.

Der Kondensator 0 4 soll nicht einen Wert von 300 cm überschreiten. Die Selbstinduktionsspule L 4 soll ungefähr den hal- 30 Der Dreiröhren-Neutrodyneempfänger. Sekundär Primiir Rückkopplung Abb. 43. Die erste Montageplatte von unten mit verlegten Leitungen. Abb. 44. Die praktisch durchgeführte Leitungsverlegung. 31 Der Dreiröhren-Neutrodyneempfänger. benWert der Spule L 6 haben. Beide sind auf einem gemeinsamen Rohre gewickelt. Der Rohrdurchmesser soll 80 mm haben und die Windungszahl für die Rundfunkwellenlänge 50 mm.

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