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1AJ5

Information - Hilfe 
ID = 1059
       
Land:
USA
Marke: Raytheon Mfg. Co.; Cambridge, MA
Typ:  Diode-Pentode   Niederfrequenz 
Identisch mit 1AJ5
Erste Serie 1953 Beitman Radio Diagrams, Vol. 13, 1953 Motorola CH= HS-347
Erste Quelle(n)
16.Aug.1954 : Electron Tube Registration List
Sockel Subminiatur mit Drahtenden, flach, B5A
Heizung Uf 1.25 Volt / If 0.04 Ampere / Direkt / Batterieheizung =
Beschreibung

AM-Demodulator, NF-Verstärkung Ua=45V, Ug1=0V, Ug2=45V, Ig2=0.3mA, Ia=1mA, Ra=300kOhm

 
Text in anderer Sprache (evtl. verschieden)
Abmessungen (BHT)
inkl. Stifte/Spitzli		 9 x 38 x 6 mm / 0.35 x 1.50 x 0.24 inch
Gewicht 3 g / 0.11 oz
Sammlerpreise 1 Sammlerpreise (nur sichtbar für Mitglieder Radiomuseum.org)
Literatur Essential Characteristics, GE 1973   
1aj5_u_g.gif
1AJ5: W.W.Diefenbach
Günther Stabe † 19.8.20
1aj5_s_g.gif 1AJ5: W.W.Diefenbach
Günther Stabe † 19.8.20

Just Qvigstad 		1aj5_techdat.png
1AJ5: Essential characteristics
Peter Hoddow
Verwendung in Modellen 5= 1953 ; 7= 1954? ; 3= 1954 ; 12= 1955? ; 4= 1955 ; 9= 1956? ; 11= 1956 ; 1= 1958?? ; 1= 1958? ; 5= 1958 ; 1= 9999
Anzahl Modelle bei Radiomuseum.org bestückt:59

Sammlung von

Keith Staines (GB)
Peter Pfeiffer (D)
Günther Stabe † 19.8.20 (D)
Michael Gnaedig-Fischer (MEX)
Aldo Patriarca (CH)
Geri Meier (CH)
 
1aj5.jpg

1AJ5
 
Forumsbeiträge zur Röhre
1AJ5
Threads: 1 | Posts: 2
Klicks: 1946     Antworten: 1
Market introduction date 1953
Mark Hippenstiel
10.Apr.17 		  1
Market introduction date 1953 

The series consists of:

  • 1AG4 Output Pentode
  • 1AH4 RF Pentode (April 1951)
  • 1AJ5 Diode-Pentode (August 1954)
  • 1V6 Mixer Pentode / Oscillator Triode (April 1951)
  • 1AK4 RF Pentode
  • 1AK5 Diode-Pentode

Namely the 1AJ5, registered in August 1954, was on the market a year earlier already. Raytheon has advertised this series in the January / February 1953 issue of Communication Engineering and in the March 1953 issue of Tele-Tech & Electronic Industries (see attachment, same ad for both publications).

The Tung-Sol Elekctric Inc data sheet for the tube is dated September 1, 1953. First sets appear end of 1953 e.g. with the Motorola HS-347 chassis.

Obviously, the registration for 1AJ5 was late and has to be marked as erroneuos. In my opinion, it cannot be reliably used to determine the year of a model release.

Kind regards,
Mark

Anlagen
Wolfgang Gebert
11.Apr.17 		  2
Market introduction date 1953 

this ad was also published in Electronics, February 1953 p.33
 
1AJ5
Ende Forumsbeiträge zur Röhre
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