F4156

Rugged ceramic-metal 11–18 GHz low-noise traveling-wave amplifier for military airborne equipment, offering about 40 dB gain.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 420 mA

Description

Wideband low-noise high-gain TWT, 11–18 GHz, specifically intended for military airborne applications; rugged ceramic-metal construction.

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: 420 mA
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.

Specialized microwave-device ratings are preserved densely in TUBE_SECTION_PARAMETER because the locked promoted columns do not directly represent beam/helix/collector/magnetron pulse ratings.

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

1972 Thomson CSF

Published operating points and test conditions from this source.

SECTION 1

TravelingWave

Characteristic

Heater Current
300 mA to 800 mA
High Voltage Supply
1500 V
Current Supply
3.5 mA

Other

High Voltage Supply Rated
1490 to 1510 V
High Voltage Supply Tube Life
1400 to 1600 V
Peak Input Power Maximum
1 kW
PulseDuration<50us
Average Input Power Maximum
0.1 W
Warm-up Time Minimum
120 s
Typical Heater Current
420 mA
Typical Cathode Current
430 uA
Typical Collector Current
420 uA
Typical Small Signal Gain
40 dB
Frequency=15GHz
Typical Saturated Output Power
5.4 mW
Frequency=15GHz