NJ7P Tube Database Search

6922
Medium-Mu Twin Triode

Base & Bulb ( GE - 1973)

Mechanical Data

Outline ....................................... 6-2
EIA Base ...................................... 9AJ

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A

Direct Interelectrode Capacitances (approx)

Triode 1
Input ......................................... 3.3 pf
Output ........................................ 1.75 pf
Grid to Plate ................................. 1.4 pf

Direct Interelectrode Capacitances (approx)

Triode 2
Input ......................................... 3.3 pf
Output ........................................ 1.65 pf
Grid to Plate ................................. 1.4 pf

Maximum Ratings (Design Center Values)

Triode 1
Plate Voltage ................................. 220 V
Plate Dissipation ............................. 1.5 W

Maximum Ratings (Design Center Values)

Triode 2
Plate Voltage ................................. 220 V
Plate Dissipation ............................. 1.5 W

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 100 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ....................... 680 Ω
Amplification Factor .......................... 33
Transconductance .............................. 12500 µ
Plate Current ................................. 15 mA

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 90 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ....................... 120 Ω
Amplification Factor .......................... 33
Transconductance .............................. 11.5K µ
Plate Current ................................. 12 mA

Searched 20770 records on 3667 tube types

(c) 1995-2009 by NJ7P