NJ7P SQL Tube Database Query

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6K6G
Power Pentode

EIA Base & Outline

EIA Base: 7SEIA Bulb: 9-11
Source ........................................ ARRL HB - 1947

Application

Source ........................................ ARRL HB - 1947
Glass-octal type used in output stage of radio receivers. It is capable of delivering moderate power output with relatively small input voltages. Tube may be used singly or in push-pull. Requires octal socket.

Mechanical Data

Source ........................................ ARRL HB - 1947
Bulb .......................................... T-12
EIA Outline ................................... 9-11 9-41
EIA Base ...................................... 7S
Mounting Position ............................. Any

Source ........................................ ARRL HB - 1947
Bulb .......................................... T-9
EIA Outline ................................... 9-11 9-41
EIA Base ...................................... 7S
Mounting Position ............................. Any

Electrical Data

Source ........................................ ARRL HB - 1947
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.4 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ ARRL HB - 1947
Input ......................................... 5.5 pf
Output ........................................ 6.0 pf
Grid to Plate ................................. 0.5 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ ARRL HB - 1947
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ ARRL HB - 1947
Plate Voltage ................................. 100 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage ............................ -7 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 660 Ω
Peak Grid No. 1 Voltage........................ 7 V
Amplification Factor .......................... 150
Plate Resistance (approx) ..................... 104K Ω
Transconductance .............................. 1450 µMho
Plate Current (Zero Signal) ................... 9 mA
Plate Current (Maximum Signal) ................ 9.5 mA
Grid No. 2 Current (Zero Signal) .............. 1.6 mA
Grid No. 2 Current (Maximum Signal) ........... 3 mA
Load Resistance ............................... 12K Ω
Power Output (approx) ......................... 0.33 W
Total Harmonic Distortion ..................... 10 %

Class A Amplifier
Source ........................................ ARRL HB - 1947
Plate Voltage ................................. 135 V
Grid No. 2 Voltage ............................ 135 V
Grid No. 1 Voltage ............................ -10 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 680 Ω
Peak Grid No. 1 Voltage........................ 10 V
Amplification Factor .......................... 150
Plate Resistance (approx) ..................... 94K Ω
Transconductance .............................. 1600 µMho
Plate Current ................................. 12.5 mA
Grid No. 2 Current ............................ 2.2 mA
Load Resistance ............................... 10.4K Ω
Power Output (approx) ......................... 0.75 W
Total Harmonic Distortion ..................... 10 %

Class A Amplifier
Source ........................................ ARRL HB - 1947
Plate Voltage ................................. 180 V
Grid No. 2 Voltage ............................ 180 V
Grid No. 1 Voltage ............................ -13.5 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 630 Ω
Peak Grid No. 1 Voltage........................ 13.5 V
Amplification Factor .......................... 150
Plate Resistance (approx) ..................... 81K Ω
Transconductance .............................. 1850 µMho
Plate Current ................................. 18.5 mA
Grid No. 2 Current ............................ 3.0 mA
Load Resistance ............................... 9K Ω
Power Output (approx) ......................... 1.5 W
Total Harmonic Distortion ..................... 10 %

Class A Amplifier
Source ........................................ ARRL HB - 1947
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -18 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 480 Ω
Peak Grid No. 1 Voltage........................ 18 V
Amplification Factor .......................... 150
Plate Resistance (approx) ..................... 68K Ω
Transconductance .............................. 2200 µMho
Plate Current ................................. 32 mA
Grid No. 2 Current ............................ 5.5 mA
Load Resistance ............................... 7.6K Ω
Power Output (approx) ......................... 3.4 W
Total Harmonic Distortion ..................... 10 %

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Thu, 18 Aug 2022 19:06:40 -0700