Name: 6X8 Use: Miniature tube type used as combined oscillator and mixer tube in television receivers utilizing an IF in the order of 40 MHz. Notes: Requires a miniature 9-pin socket. |
6X8 Medium-Mu Triode - Sharp-Cutoff Pentode Characteristics Data Source. . . . . . . . . TungSol Heater or Filament Voltage . 6.3 volts Heater or Filament Current . 0.45 amperes EIA Base . . . . . . . . . . 9AK Substitutes. . . . . . . . . None |
Capacitances and Design Maximum Values: Section . . . . . . . . . . Pentode C/in. . . . . . . . . . . . 4.3 pf C/out . . . . . . . . . . . 0.7 pf C/gp. . . . . . . . . . . . 0.09 pf Plate Dissipation . . . . . 2.0 watts Screen Dissipation. . . . . 0.4 watts Maximum Plate Voltage . . . 250 volts Maximum Screen Voltage. . . 250 volts Section . . . . . . . . . . Triode C/in. . . . . . . . . . . . 2.6 pf C/out . . . . . . . . . . . 0.5 pf C/gp. . . . . . . . . . . . 1.4 pf Plate Dissipation . . . . . 1.5 watts Maximum Plate Voltage . . . 250 volts |
Typical Operation as a Receiving Tube Description Vp Vg VgMax Vs Is IsMax Ip IpMax Rp TC AF Zl PO ========================================================================== Triode Class A Amp 100 100* - - - - 8.5 - 6.9K - 40 - - Pentode Class A Amp 250 200* - 150 1.6 - 7.7 - 750K - - - - * = Value of cathode bias resistor |