Use:
Miniature tube type used in direct-coupled cathode-drive RF amplifier circuits of vhf TV tuners.
Notes: Requires a miniature 9-contact socket.
|
|
Name: 12AZ7 Use: Miniature tube type used in direct-coupled cathode-drive RF amplifier circuits of vhf TV tuners. Notes: Requires a miniature 9-contact socket. |
||
12AZ7 High-Mu Twin Triode Characteristics Data Source. . . . . . . . . RC-29 Heater or Filament Voltage . 6.3/12.6 volts Heater or Filament Current . 0.45/0.225 amperes EIA Base . . . . . . . . . . 9A Substitutes . . . . 12AT7 12AU7 |
Capacitances and Design Maximum Values: C/in. . . . . . . . . . . . 3.1 pf C/out . . . . . . . . . . . 0.45 pf C/gp. . . . . . . . . . . . 1.9 pf Plate Dissipation . . . . . 2.5 watts Maximum Plate Voltage . . . 330 volts |
Typical Operation as a Receiving Tube Description Ep Eg EgMax Es Is IsMax Ip IpMax Rp TC AF Zl PO ================================================================= Class A Amp 100 270* - - - - 3.7 - 15K 4000 60 - - Class A Amp 250 200* - - - - 10 - 10.9K 5500 60 - - * = Value of cathode bias resistor |