NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

6AQ7GT
Twin Diode - High-Mu Triode

EIA Base & Outline

EIA Base: 8CKEIA Bulb: 9-11
Source ........................................ GE DS 09/51

Application

Source ........................................ GE DS 09/51
Class octal type used as a combined FM detector and audio amplifier in circuits which require the separate cathodes. Requires octal socket.

Mechanical Data

Source ........................................ GE DS 09/51
Bulb .......................................... T-9
Base Type ..................................... B8-6 Intermediate Shell Octal 8-Pin
EIA Outline ................................... 9-11 9-41
EIA Base ...................................... 8CK
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ GE DS 09/51
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A
Maximum Heater-Cathode Voltage ................ 90 V

Direct Interelectrode Capacitances (approx)

Triode
Source ........................................ GE DS 09/51
Input ......................................... 2.8 pf
Output ........................................ 3.2 pf
Grid to Plate ................................. 3.0 pf

Diode 1
Source ........................................ GE DS 09/51
Output ........................................ 2.2 pf

Diode 2
Source ........................................ GE DS 09/51
Output ........................................ 2.4 pf

Maximum Ratings (Design Center Values)

Triode
Source ........................................ GE DS 09/51
Plate Voltage ................................. 250 V
Positive Grid No. 1 Voltage ................... 0 V
Plate Dissipation ............................. 1.0 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ GE DS 09/51
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -2 V
Amplification Factor .......................... 70
Plate Resistance (approx) ..................... 44K Ω
Transconductance .............................. 1600 µMho
Plate Current ................................. 2.3 mA

Class A Amplifier
Source ........................................ GE DS 09/51
Plate Voltage ................................. 100 V
Grid No. 1 Voltage ............................ -1 V
Amplification Factor .......................... 79
Plate Resistance (approx) ..................... 64K Ω
Transconductance .............................. 1250 µMho
Plate Current ................................. 1.1 mA

A horizontal ribbon.

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A horizontal ribbon.

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Sat, 02 Jul 2022 20:20:29 -0700