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TCA420

Information - Help 
ID = 42139
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  IC - Integrated Circuit   RF/IF-Stage 
Identical to TCA420
Similar Tubes
Other base and data slightly different:
  TAA920

Base SPECIAL TUBEBASE in general
Filament Solid State
Description Aufbau/internal: IC (51 Trans., 60 Widerst., 10 Dioden, 4 Kond.);
Form/Case: DIP-16 (full name: TCA420A);
Typ/Content: FM-IF HiFi Amplifier: sym.FM detector, AFC voltage, mono/stereo switching voltage, field strength depending indicator current, automatic side response suppression;
Daten/electr.data: Vcc max: 18 V; Icc: 26 mA; Ptot: 720 mW; Uout: 115 mV NF; t op: -25...+80 °C;
Dimensions (WHD)
incl. pins / tip
20 x 7 x 8 mm / 0.79 x 0.28 x 0.31 inch
Weight 1 g / 0.04 oz
Information source
  tca420_umgeb1.png
  TCA420: (schematic HEA Tuner)
Günther Stabe † 19.8.20
 
d_valvo_tca420a.jpg
TCA420: eigene Arbeit
Karl-Heinz Entrich

More ...
 
dip16_sot38_19.gif
TCA420: TTT Steidle 1981
Günther Stabe † 19.8.20

 
tca420a_innen.png
TCA420: Pro Electron 1975
Günther Stabe † 19.8.20


Usage in Models 1= 1973 ; 1= 1974? ; 1= 1974 ; 1= 1975? ; 2= 1975 ; 1= 1976? ; 3= 1976 ; 5= 1979 ; 2= 1980

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):17


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