AT91575B - Device for operating amplifier and transmitter tubes from high-voltage networks. - Google Patents

Device for operating amplifier and transmitter tubes from high-voltage networks.

Info

Publication number
AT91575B
AT91575B AT91575DA AT91575B AT 91575 B AT91575 B AT 91575B AT 91575D A AT91575D A AT 91575DA AT 91575 B AT91575 B AT 91575B
Authority
AT
Austria
Prior art keywords
voltage networks
operating amplifier
transmitter tubes
tubes
voltage
Prior art date
Application number
Other languages
German (de)
Inventor
Siegmund Ing Strauss
Walter Ing Brandt
Original Assignee
Siegmund Ing Strauss
Walter Ing Brandt
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siegmund Ing Strauss, Walter Ing Brandt filed Critical Siegmund Ing Strauss
Application granted granted Critical
Publication of AT91575B publication Critical patent/AT91575B/en

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  • Resistance Heating (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Control Of Resistance Heating (AREA)

Description

  

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 sich also in ihrer Wirkung auf die Verstärkerröhre auf. Der Widerstand 10 wird so eingestellt. dass gleichzeitig auch die aus dem Netz stammenden   Anodenspannungsschwanlungen   für den Anodenstrom in der   Verstärkerröhre   und damit im Hörer 18 unwirksam werden. 



   In Fig. 3 liegt die gleiche Schaltung wie in Fig. 2 vor, nur dass erfindungsgemäss parallel zur   Glüh-   kathode noch ein Akkumulator 19 geschaltet ist, der aus dem Netze   1,   2, ständig aufgeladen, wird, aber auch die Glühkathode auf stets gleichbleibender Heizleistung erhält, wodurch die Röhre praktisch unver- ändert bleibt. 



   Fig. 4 zeigt die Schaltung, angewendet für Mehrgitterröhren. Als Beispiel wird eine Dreigitterröhre mit Raumladungsgitter 20 und Anodensehutzgitter 21   gezeigt. Bekanntnlich müssen   diese Hilfselektroden auf bestimmtem positiven Potential gehalten werden. Dies wird dadurch erreicht, dass der vorgeschaltete Widerstand mehrfach unterteilt ist und an passenden Punkten die beiden Hilfselektroden 20 und 21 angeschlossen sind. In der gezeichneten Schaltung wird die Unterteilung dadurch erzielt, dass passend gewählte Glühlampen 6,7 und 19 hintereinandergeschaltet sind und zwischen ihnen zu den Gittern abgezweigt. wird. Im übrigen ist die Wirkung auch bei   Mehrgitterröhren   dieselbe wie die früher beschriebene. 



   PATENT-ANSPRÜCHE :
1. Einrichtung zum Betriebe von Elektronenröhren   in Verstärker- oder Senderschaltung   aus Starkstromnetzen, wobei die Elektroden der Röhre an einstellbare Punkte eines am Netze liegenden Spannungsteilers angeschlossen sind, dadurch gekennzeichnet, dass die Anode am positiven Ende des Spannungsteilers, die Glühkathode ungefähr gegen das negative Ende zu und die Gitterelektrode an einen einstellbaren oder eingestellten Punkt des negativen Endes des Spannungsteilers angeschlossen ist, zum Zwecke, störende Geräusche zu vermeiden, die zufolge eintretender   Spannungsänderungen   im Netz in der Stärke des   Anodenstromes   der Röhre auftreten.



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 in their effect on the amplifier tube. The resistor 10 is set in this way. that at the same time the anode voltage fluctuations originating from the network for the anode current in the amplifier tube and thus in the receiver 18 become ineffective.



   The circuit in FIG. 3 is the same as in FIG. 2, except that, according to the invention, an accumulator 19 is connected in parallel to the incandescent cathode, which is continuously charged from the networks 1, 2, but also the incandescent cathode is always constant Heat output, which means that the tube remains practically unchanged.



   Fig. 4 shows the circuit used for multi-grating tubes. A three-grid tube with space charge grid 20 and anode protective grid 21 is shown as an example. As is known, these auxiliary electrodes must be kept at a certain positive potential. This is achieved in that the upstream resistor is subdivided several times and the two auxiliary electrodes 20 and 21 are connected at suitable points. In the circuit shown, the subdivision is achieved in that suitably selected incandescent lamps 6, 7 and 19 are connected in series and branched off between them to the grids. becomes. Otherwise the effect is the same as that described earlier, even with multi-grid tubes.



   PATENT CLAIMS:
1. Device for operating electron tubes in amplifier or transmitter circuits from high-voltage networks, the electrodes of the tube being connected to adjustable points of a voltage divider connected to the network, characterized in that the anode at the positive end of the voltage divider, the hot cathode approximately towards the negative end to and the grid electrode is connected to an adjustable or set point of the negative end of the voltage divider, for the purpose of avoiding annoying noises which occur as a result of voltage changes in the network in the strength of the anode current of the tube.

 

Claims (1)

2. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Glühfaden in den Spannungs- teiler eingeschaltet ist, um auch den Heizstrom dem Netz entnehmen zu können. 2. Device according to claim 1, characterized in that the filament is switched on in the voltage divider so that the heating current can also be taken from the network. 3. Einrichtung nach Anspruch 1 und 2, dadurch gekennzeichnet, dass parallel zur Glühkathode ein Akkumulator geschaltet ist. 3. Device according to claim 1 and 2, characterized in that an accumulator is connected in parallel to the hot cathode. 4. Einrichtung nach den Ansprüchen 1 bis 3, dadurch gekennzeichnet, dass ein Teil des Spannungteilers aus einer oder mehreren Kohlenfadenglühlampen gebildet wird. EMI2.1 4. Device according to claims 1 to 3, characterized in that part of the voltage divider is formed from one or more carbon filament incandescent lamps. EMI2.1
AT91575D 1921-02-22 1921-02-22 Device for operating amplifier and transmitter tubes from high-voltage networks. AT91575B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT91575T 1921-02-22

Publications (1)

Publication Number Publication Date
AT91575B true AT91575B (en) 1923-03-10

Family

ID=3611684

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91575D AT91575B (en) 1921-02-22 1921-02-22 Device for operating amplifier and transmitter tubes from high-voltage networks.

Country Status (1)

Country Link
AT (1) AT91575B (en)

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