EM118

Eimac pulsed traveling-wave power amplifier designed for severe environments, providing approximately 500 W output under published pulse operating conditions.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 3 A

Description

operation in extreme enviro for 500 watts is obtained over the of Cathode Voltage . 7.0 Volts Peak Cathode Current —5000 vdc Pulse Grid Volitage 1.0 adc Filament Current 6.3 Volts Cathode Voitage 3.0 Amperes

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: -
Nominal heater voltage: 6.3 V
Nominal heater current: 3 A
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

TravelingWave

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Promoted fields populated only where the published value maps directly to the schema; device-specific values retained as parameters.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1962 Eimac

Published operating points and test conditions from this source.

SECTION 1

TravelingWave

Other

frequency range of [1]
2.7
frequency range of 2.7-2.9 Ge.
frequency range of [2]
-2.9
frequency range of 2.7-2.9 Ge.
Cathode Voltage
7 V
Cathode Voltage . 7.0 Volts
Peak Cathode Current
-5000 V
Peak Cathode Current —5000 vdc
Pulse Grid Volitage
1 A
Pulse Grid Volitage 1.0 adc
Filament Current
6.3 V
Filament Current 6.3 Volts
Peak Cathode Current ~
4700 V
Peak Cathode Current ~4700 Vdc
Pulse Grid Voltage (Beam off)
4200 V
Pulse Grid Voltage (Beam off) 4200 Vdc
Duty Cycle . =~ = o
-90 V
Duty Cycle . =~ = o -90 Vdc
Frequency Range o
2
Frequency Range o 2%
Small Signal Gain—Minimum [1]
2.7
Small Signal Gain—Minimum 2.7-2.9 Ge
Small Signal Gain—Minimum [2]
-2.9
Small Signal Gain—Minimum 2.7-2.9 Ge
Grid Capacitance
40 dB
Grid Capacitance 40 db