NJ7P SQL Tube Database Query

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7094
Beam Power Pentode

EIA Base & Outline

EIA Base: F82

Mechanical Data

EIA Base ...................................... F82

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 3.2 A

Direct Interelectrode Capacitances (approx)

Pentode
Input ......................................... 9.0 pf
Output ........................................ 1.8 pf
Grid to Plate ................................. 0.5 pf

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 2000 V
Grid No. 2 Voltage ............................ 400 V
Plate Dissipation ............................. 125 W
Grid No. 2 Dissipation ........................ 20 W

Characteristics and Typical Operation

Class C Amplifier
Plate Voltage ................................. 1500 V
Grid No. 2 Voltage ............................ 400 V
Grid No. 1 Voltage ............................ -100 V
Grid No. 1 Current ............................ 5 mA
Plate Current ................................. 330 mA
Grid No. 2 Current ............................ 20 mA
Driving Power ................................. 4 W
Power Output (approx) ......................... 340 W

Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 1200 V
Grid No. 2 Voltage ............................ 400 V
Grid No. 1 Voltage ............................ -130 V
Grid No. 1 Current ............................ 5 mA
Plate Current ................................. 275 mA
Grid No. 2 Current ............................ 20 mA
Driving Power ................................. 5 W
Power Output (approx) ......................... 240 W

Class AB1 Amplifier
Plate Voltage ................................. 2000 V
Grid No. 2 Voltage ............................ 400 V
Grid No. 1 Voltage ............................ -65 V
Peak Grid No. 1 Voltage........................ 120 V
Plate Current (Zero Signal) ................... 60 mA
Plate Current (Maximum Signal) ................ 400 mA
Driving Power ................................. 0 W
Load Resistance ............................... 12K Ω
Power Output (approx) ......................... 560 W

Class AB1 Amplifier
Plate Voltage ................................. 2000 V
Grid No. 2 Voltage ............................ 400 V
Grid No. 1 Voltage ............................ -65 V
Peak Grid No. 1 Voltage........................ 60 V
Plate Current (Zero Signal) ................... 30 mA
Plate Current (Maximum Signal) ................ 200 mA
Grid No. 2 Current (Zero Signal) .............. 0 mA
Grid No. 2 Current (Maximum Signal) ........... 35 mA
Driving Power ................................. 4 W
Power Output (approx) ......................... 250 W

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Mon, 04 Jul 2022 17:41:06 -0700