NJ7P SQL Tube Database Query

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6DX8
High-Mu Triode - Sharp-Cutoff pentode

EIA Base & Outline

EIA Base: 9HXEIA Bulb: 6-3
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used in color and black-and-white television receiver applications. The triode is used as a sync-separator, sync-amplifier, keyed-agc or noise-suppressor tube. The pentode is used as a video-output tube. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-6 1/2
EIA Outline ................................... 6-3
EIA Base ...................................... 9HX

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.72 A

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 300 V
Plate Dissipation ............................. 4 W
Grid No. 2 Dissipation ........................ 1.7 W

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

Characteristics and Typical Operation

Triode Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 200 V
Grid No. 2 Voltage ............................ . V
Grid No. 1 Voltage ............................ -1.7 V
Amplification Factor .......................... 65
Transconductance .............................. 4000 µMho
Plate Current ................................. 3 mA
Grid No. 2 Current ............................ . mA

Pentode Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 170 V
Grid No. 2 Voltage ............................ 170 V
Grid No. 1 Voltage ............................ -2.1 V
Plate Resistance (approx) ..................... 100K Ω
Transconductance .............................. 1100 µMho
Plate Current ................................. 18 mA
Grid No. 2 Current ............................ 3 mA

Pentode Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 200 V
Grid No. 2 Voltage ............................ 200 V
Grid No. 1 Voltage ............................ -2.9 V
Plate Resistance (approx) ..................... 130K Ω
Transconductance .............................. 10400 µMho
Plate Current ................................. 18 mA
Grid No. 2 Current ............................ 3 mA

Pentode Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 220 V
Grid No. 2 Voltage ............................ 220 V
Grid No. 1 Voltage ............................ -3.4 V
Plate Resistance (approx) ..................... 150K Ω
Transconductance .............................. 10000 µMho
Plate Current ................................. 18 mA
Grid No. 2 Current ............................ 3 mA

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Wed, 08 Dec 2021 12:15:51 -0700