NJ7P SQL Tube Database Query

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6AQ6
Twin Diode - High-Mu Triode

EIA Base & Outline

EIA Base: 7BTEIA Bulb: 5-2

Substitute Data

Preferred Substitutes ......................... 6AT6 6BT6
Substitutes ................................... 6AV6 6BK6
Source ........................................ Syl DS 04/55

Application

Source ........................................ Syl DS 04/55
Miniature type used as a combined detector, amplifier and avc tube in compact radio receivers. This type is similar to metal type 6Q7 in many of its electrical characteristics. Requires miniature 7-contact socket.

Mechanical Data

Source ........................................ Syl DS 04/55
Bulb .......................................... T-5 1/2
Base Type ..................................... E7-1 Miniature Button 7-Pin
EIA Outline ................................... 5-2
EIA Base ...................................... 7BT
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ Syl DS 04/55
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.15 A
Maximum Heater-Cathode Voltage ................ 90 V

Direct Interelectrode Capacitances (approx)

Triode
Source ........................................ Syl DS 04/55
Input ......................................... 1.7 pf
Output ........................................ 1.5 pf
Grid to Plate ................................. 1.8 pf

Maximum Ratings (Design Center Values)

Triode
Source ........................................ Syl DS 04/55
Plate Voltage ................................. 300 V
Positive Grid No. 1 Voltage ................... 0 V

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ Syl DS 04/55
Plate Voltage ................................. 100 V
Grid No. 1 Voltage ............................ -1 V
Amplification Factor .......................... 70
Plate Resistance (approx) ..................... 61K Ω
Transconductance .............................. 1150 µMho
Plate Current ................................. 0.8 mA

Class A Amplifier
Source ........................................ Syl DS 04/55
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -3 V
Amplification Factor .......................... 70
Plate Resistance (approx) ..................... 58K Ω
Transconductance .............................. 1200 µMho
Plate Current ................................. 1 mA

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Sat, 26 Nov 2022 02:53:46 -0700