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AT108772B - Amplifier circuit without line replicas. - Google Patents

Amplifier circuit without line replicas.

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Publication number
AT108772B
AT108772B AT108772DA AT108772B AT 108772 B AT108772 B AT 108772B AT 108772D A AT108772D A AT 108772DA AT 108772 B AT108772 B AT 108772B
Authority
AT
Austria
Prior art keywords
amplifier circuit
line
transformer
replicas
circuit
Prior art date
Application number
Other languages
German (de)
Original Assignee
Felten & Guilleaume Carlswerk
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 Felten & Guilleaume Carlswerk filed Critical Felten & Guilleaume Carlswerk
Application granted granted Critical
Publication of AT108772B publication Critical patent/AT108772B/en

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  • Amplifiers (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



    Verstärkerschaltung   ohne Leitungsnachbildungen. 
 EMI1.1 
 zur Folge haben. 



    Eine beispielsweise geeignete Schaltung ist in der Fig. 1 dargestellt. Die in Verbindung mit der Batterie   als Dvnatron geschaltete Glühkathodenröhre b mit der Glühkathode c. dem Gitter fi und der Platte e ist mittels der beiden Endübertrager f und g so zwischen die beiden Fernleitungen I und II eingeschaltet, dass die beiden Sekundärwicklungen der Übertrager f Imd g in Reihe mit dem negativen  
Widerstand cl, e der Röhre an den positiven Pol und einen   mittleren Spannungspunkt A   der Batterie a angeschlossen sind. Die Glühkathode c wird beispielsweise durch eine Batterie t geheizt. 



   Die Wirkungsweise dieser Schaltung beruht auf den bekannten Vorgängen bei Hintereinander- 
 EMI1.2 
 zu verstärkenden Ströme je nach der Sprechrichtung in der Sekundärwicklung des Ubertragers f oder g erzeugt. Dadurch entsteht durch die. Wirkung des negativen Röhrenwiderstandes zwischen Gitter und Anode in der Wicklung des   andern Übertragers (analog wie in dem positiven Widerstande @ in Fig. 2)   eine stärkere Spannungsänderung, welche das Abgehen verstärkter Ströme zur Folge hat. 



   Im Gegensatz zu den bisher bekannten   Verstärkerschaltungen findet   hier   keine. Rückwirkung   
 EMI1.3 
 schaltungen, die eine Leitungsnachbildung erfordern würden, notwendig.
Durch   wiederholte   Anwendung der Schaltung gemäss Fig. 1 (analog den bekannten Kaskaden- 
 EMI1.4 
 mehrere in Serie oder parallel geschaltete Röhren in eine oder beide der die Sekundärwicklungen der Übertrager verbindenden Leitungen gelegt werden. 



   PATENT-ANSPRÜCHE :
1. Nach beiden Sprechrichtungen   wirksame Verstärkerschaltung   ohne   Leitungsnachbildungen   unter Verwendung eines negativen Widerstandes in Serienschaltung mit zwei Endübertragern, dadurch gekennzeichnet, dass als negative Widerstände eine oder mehrere Glühkathodenröhren verwendet werden. 

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 



    Amplifier circuit without line replicas.
 EMI1.1
 have as a consequence.



    A circuit suitable for example is shown in FIG. The hot cathode tube b with the hot cathode c connected to the battery as a dnatron. the grid fi and the plate e is connected by means of the two end transformers f and g between the two long-distance lines I and II that the two secondary windings of the transformer f Imd g in series with the negative
Resistance cl, e of the tube are connected to the positive pole and a middle voltage point A of the battery a. The hot cathode c is heated by a battery t, for example.



   The mode of operation of this circuit is based on the known processes in
 EMI1.2
 Currents to be amplified are generated in the secondary winding of the transformer f or g, depending on the direction of speech. This creates through the. Effect of the negative tube resistance between the grid and anode in the winding of the other transformer (analogous to the positive resistance @ in Fig. 2) a stronger voltage change, which results in the dissipation of increased currents.



   In contrast to the previously known amplifier circuits, none is found here. Retroactive effect
 EMI1.3
 circuits that would require a line simulation are necessary.
By repeated application of the circuit according to Fig. 1 (analogous to the known cascade
 EMI1.4
 several tubes connected in series or in parallel are placed in one or both of the lines connecting the secondary windings of the transformers.



   PATENT CLAIMS:
1. Amplifier circuit effective in both speech directions without line simulations using a negative resistor in series with two end transformers, characterized in that one or more hot cathode tubes are used as negative resistors.

** WARNING ** End of DESC field may overlap beginning of CLMS **.

 

Claims (1)

2. Verstärkerschaltung nach Anspruch 1, gekennzeichnet durch die Mehrfachanordnung dieser Schaltung, wobei der Endübertrager jeder einzelnen Schaltung als Anfangsübertrager der nächsten dient, zum Zwecke, die Verstärkungswirkung zu steigern. EMI1.5 **WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. 2. Amplifier circuit according to claim 1, characterized by the multiple arrangement of this circuit, wherein the end transformer of each individual circuit serves as the initial transformer of the next, for the purpose of increasing the amplification effect. EMI1.5 ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT108772D 1924-06-10 1925-05-20 Amplifier circuit without line replicas. AT108772B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE108772X 1924-06-10

Publications (1)

Publication Number Publication Date
AT108772B true AT108772B (en) 1928-02-10

Family

ID=5651477

Family Applications (1)

Application Number Title Priority Date Filing Date
AT108772D AT108772B (en) 1924-06-10 1925-05-20 Amplifier circuit without line replicas.

Country Status (1)

Country Link
AT (1) AT108772B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE958573C (en) * 1952-12-14 1957-02-21 Rudolf Mehr Circuit arrangement for reducing attenuation in telecommunications systems
DE1031831B (en) * 1952-07-21 1958-06-12 Rudolf Mehr Amplifier with at least two electron tube quadrupoles that are simultaneously permeable in both directions of transmission

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1031831B (en) * 1952-07-21 1958-06-12 Rudolf Mehr Amplifier with at least two electron tube quadrupoles that are simultaneously permeable in both directions of transmission
DE958573C (en) * 1952-12-14 1957-02-21 Rudolf Mehr Circuit arrangement for reducing attenuation in telecommunications systems

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