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A horizontal ribbon.

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A horizontal ribbon.

810
Power Triode

EIA Base & Outline

EIA Base: 2N

Application

Thoriated-tungsten-filament type used as af power amplifier and modulator and as rf power amplifier and oscillator.

Requires jumbo four-contact socket and may be operated in vertical position base down or in horizontal position with pins 1 and 4 in vertical plane.

Mechanical Data

EIA Base ...................................... 2N

Electrical Data

Heater Voltage ................................ 10 V
Heater Current ................................ 4.5 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 8.7 pf
Output ........................................ 12 pf
Grid to Plate ................................. 4.8 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 2500 V
Plate Dissipation ............................. 175 W

Characteristics and Typical Operation

Class C Amplifier
Plate Voltage ................................. 2500 V
Grid No. 1 Voltage ............................ -180 V
Grid No. 1 Current ............................ 60 mA
Plate Current ................................. 300 mA
Driving Power ................................. 19 W
Power Output (approx) ......................... 575 W

Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 2000 V
Grid No. 1 Voltage ............................ -350 V
Grid No. 1 Current ............................ 70 mA
Plate Current ................................. 250 mA
Driving Power ................................. 35 W
Load Resistance ............................... 0 Ω
Power Output (approx) ......................... 380 W

GMA
Plate Voltage ................................. 2250 V
Grid No. 1 Voltage ............................ -140 V
Grid No. 1 Current ............................ 2.0 mA
Plate Current ................................. 100 mA
Driving Power ................................. 4 W
Power Output (approx) ......................... 75 W

Push Pull Class B Amplifier
Plate Voltage ................................. 2250 V
Grid No. 1 Voltage ............................ -60 V
Peak Grid No. 1 Voltage........................ 380 V
Plate Current (Zero Signal) ................... 70 mA
Plate Current (Maximum Signal) ................ 450 mA
Driving Power ................................. 13 W
Load Resistance ............................... 11.6K Ω
Power Output (approx) ......................... 725 W

A horizontal ribbon.

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A horizontal ribbon.

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Fri, 19 Aug 2022 07:47:59 -0700