NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

6BS8
Medium-Mu Twin Triode (Low Noise)

EIA Base & Outline

EIA Base: 9AJEIA Bulb: 6-2
Source ........................................ TungSol DS 02/56

Application

Source ........................................ TungSol DS 02/56
Miniature type used as a cascode amplifier in vhf color and black-and-white television tuners and in push-pull cathode-drive rf amplifiers. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ TungSol DS 02/56
Bulb .......................................... T-6 1/2
Base Type ..................................... Miniature Button 9-Pin
EIA Outline ................................... 6-2
EIA Base ...................................... 9AJ
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ TungSol DS 02/56
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.4 A
Maximum Heater-Cathode Voltage ................ 200 V

Direct Interelectrode Capacitances (approx)

Each Section
Source ........................................ TungSol DS 02/56
Input ......................................... 2.6 pf
Output ........................................ 1.2 pf
Grid to Plate ................................. 1.15 pf

Maximum Ratings (Design Center Values)

Each Section
Source ........................................ TungSol DS 02/56
Plate Voltage ................................. 150 V
Plate Dissipation ............................. 2.0 W
Cathode Current ............................... 20 mA
Grid No. 1 Circuit Resistance
Fixed Bias ................................. 0.5M Ω
Self Bias .................................. 0.5M Ω

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ TungSol DS 02/56
Plate Voltage ................................. 150 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 220 Ω
Amplification Factor .......................... 36
Plate Resistance (approx) ..................... 5000 Ω
Transconductance .............................. 7200 µMho
Plate Current ................................. 10 mA
Grid No. 1 Voltage for Ib ..................... 10 µa @ -7 V

A horizontal ribbon.

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A horizontal ribbon.

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Sat, 10 Dec 2022 02:55:46 -0700