NJ7P SQL Tube Database Query

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6CG8
Medium-Mu Triode - Sharp-Cutoff Pentode

EIA Base & Outline

EIA Base: 9GFEIA Bulb: 6-2

Substitute Data

Preferred Substitutes ......................... 6FG7 6LJ8
Substitutes ................................... 6AT8 6BE8 6BR8 6CL8 6FV8 6JN8 6BM8
Source ........................................ GE - 1973

Application

Source ........................................ GE - 1973
Miniature type used as combined oscillator and mixer tube in color and black-and-white television receivers utilizing an intermediate frequency in the order of 40 MHz. When used in an AM/FM receiver,

Source ........................................ GE - 1973
the triode is used as an oscillator for both sections. In the AM section, the pentode is used as a high-gain pentode mixer; in the FM section, the pentode is used either as a pentode mixer

Source ........................................ GE - 1973
or as a triode-connected mixer depending on signal-to-noise considerations. Requires miniature 9-contact socket. Except for interelectrode capacirtances, this type is identical to 6X8.

Mechanical Data

Source ........................................ GE - 1973
Bulb .......................................... T-6 1/2
Base Type ..................................... Small Button 9-Pin
EIA Outline ................................... 6-2
EIA Base ...................................... 9GF
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ GE - 1973
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.45 A

Source ........................................ GE - 1973
For other characteristics and typical operation, see 6CG8A

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Sat, 25 Jun 2022 15:27:55 -0700