NJ7P SQL Tube Database Query

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6AQ8
High-Mu Twin Triode

EIA Base & Outline

EIA Base: 9AJEIA Bulb: 6-2

Substitute Data

Preferred Substitutes ......................... 6BK7 6DT8 6EV7
Substitutes ................................... 6BC8 6BQ7 6BZ7
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used as rf amplifier and self-oscillationg mixer in FM/AM radio receivers. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-6 1/2
Base Type ..................................... Small Button 9-Pin
EIA Outline ................................... 6-2
EIA Base ...................................... 9DE
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.435 A

Direct Interelectrode Capacitances (approx)

Triode 1
Source ........................................ RCA RC-29 - 1975
Input ......................................... 0.3 pf
Output ........................................ 1.2 pf
Grid to Plate ................................. 1.5 pf

Triode 2
Source ........................................ RCA RC-29 - 1975
Input ......................................... 0.3 pf
Output ........................................ 1.2 pf
Grid to Plate ................................. 1.5 pf

Maximum Ratings (Design Center Values)

Triode 1
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 300 V
Plate Dissipation ............................. 2.5 W

Triode 2
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 300 V
Plate Dissipation ............................. 4.5 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -2 V
Amplification Factor .......................... 57
Plate Resistance (approx) ..................... 9.7K Ω
Transconductance .............................. 6000 µMho
Plate Current ................................. 10 mA
Load Resistance ............................... 1.8K Ω

Converter
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -3 V
Amplification Factor .......................... 57
Plate Resistance (approx) ..................... 22K Ω
Plate Current ................................. 5.2 mA
Load Resistance ............................... 12K Ω

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Sat, 25 Mar 2023 18:51:05 -0700