NJ7P SQL Tube Database Query

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6BV11
Sharp-Cutoff Dual Pentode

EIA Base & Outline

EIA Base: 12HBEIA Bulb: 9-59
Source ........................................ GE DS 11/67

Application

Source ........................................ GE DS 11/67
Duodecar type used as color demodulators in color television applications. Grid 1 and grid 3 may be used as independent control electrodes. Requires duodecar 12-contact socket.

Mechanical Data

Source ........................................ GE DS 11/67
Bulb .......................................... T-9
Base Type ..................................... E12-70
EIA Outline ................................... 9-59
EIA Base ...................................... 12HB
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ GE DS 11/67
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.9 A
Maximum Heater-Cathode Voltage
Heater Positive with Respect to Cathode
DC Component ............................ 100 V
Total DC and Peak ....................... 200 V
Heater Negative with Respect to Cathode
DC Component ............................ 200 V
Total DC and Peak ....................... 200 V

Direct Interelectrode Capacitances (approx)

Each Dual-control Pentode
Source ........................................ GE DS 11/67
Grid No. 1 to Plate ........................... 0.10 pf
Grid No. 3 to Plate ........................... 3.2 pf
Grid No. 1 to All Except Plate (Input) ........ 7.5 pf
Grid No. 3 to All (Input) ..................... 7.5 pf
Grid No. 1 to Grid No. 3 ...................... 0.10 pf
Plate to All (Output) ......................... pf

Maximum Ratings (Design Center Values)

Each Dual-control Pentode
Source ........................................ GE DS 11/67
Plate Voltage ................................. 300 V
Positive Grid No. 3 Voltage ................... 25 V
Negative Grid No. 3 Voltage ................... -100 V
Grid No. 2 Supply Voltage ..................... 300 V
Grid No. 2 Voltage ............................ See Chart V
Positive Grid No. 1 Voltage ................... 0 V
Negative Grid No. 1 Voltage ................... -50 V
Plate Dissipation ............................. 1.7 W
Grid No. 2 Dissipation ........................ 0.1 W
Grid No. 3 Circuit Resistance ................. 680K Ω
Grid No. 1 Circuit Resistance
Fixed Bias ................................. 220K Ω
Self Bias .................................. 470K Ω

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ GE DS 11/67
Plate Voltage ................................. 150 V
Grid No. 3 Voltage ............................ 0 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage Derived From
Cathode Bias Resistor ...................... 180 Ω
Plate Resistance (approx) ..................... 200K Ω
Grid No. 1 Transconductance ................... 3700 µMho
Grid No. 3 Transconductance ................... 400 µMho
Plate Current ................................. 3.6 mA
Grid No. 2 Current ............................ 2.0 mA
Grid No. 1 Voltage for Ib ..................... 75 µa @ -3.0 V
Grid No. 3 Voltage for Ib ..................... 85 µa @ -5.5 V

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Sat, 02 Jul 2022 18:55:59 -0700