Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Specialized - Traveling Wave ·TravelingWave

4041

Traveling-wave microwave amplifier providing broadband RF gain through interaction between an electron beam and a slow-wave structure.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 700 mA

Description

Periodic-permanent-magnet traveling-wave tube for 8 to 12 GHz RF power amplification.

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
700 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
Max plate voltage
3000 V
Max screen voltage
2000 V
Max cathode current
15 mA

8–12 GHz periodic-permanent-magnet TWT.

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

1971 RCA HB3 Binder 6 of 7

Published operating points and test conditions from this source.

SECTION 1

TravelingWave

Other

  • Heater/filament voltage

    6.3 V

  • Heater/filament current

    700 mA

  • Small-signal / rated gain

    34 dB

  • Saturated power output

    1.5 W

  • Maximum collector voltage

    3000 V

  • Maximum helix voltage

    2950 V

  • Maximum grid No.2 voltage

    2000 V

  • Maximum collector current

    15 mA

  • Minimum cathode heating time

    3 min

    BeforeHighVoltage

Characteristic

  • Frequency range minimum

    8 GHz

  • Frequency range maximum

    12 GHz

  • Cold insertion loss

    60 dB