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Tube Tinker — Electron Tube Database
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Specialized - Traveling Wave ·TravelingWave

7637

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 / 750 mA

Description

Unpackaged traveling-wave tube intended as an intermediate microwave amplifier in the 3.6 to 4.2 GHz band.

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
750 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.

Promoted values are taken directly from the supplied datasheet; additional ratings, characteristics and operating points are preserved in TUBE_SECTION_PARAMETER.

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

1963 Mullard

Published operating points and test conditions from this source.

SECTION 1

TravelingWave

Other

  • Anode1 voltage maximum

    500 V

  • Anode2 voltage maximum

    1600 V

  • Helix voltage maximum

    1500 V

  • Collector voltage maximum

    1500 V

  • Collector current maximum

    5 mA

  • Collector dissipation maximum

    7.5 W

  • Input signal maximum

    1 W

  • Frequency minimum

    3.6 GHz

  • Frequency maximum

    4.2 GHz

  • Frequency

    3.9 GHz

  • Anode1 voltage

    200 V

    f=3.9GHz

  • Anode2 voltage

    1200 V

    f=3.9GHz

  • Helix voltage

    1200 V

    f=3.9GHz

  • Collector voltage

    1250 V

    f=3.9GHz

  • Collector current

    3.5 mA

    f=3.9GHz

  • Gain

    31 dB

    f=3.9GHz

  • Noise factor

    24 dB

    f=3.9GHz

  • Power output

    30 mW

    f=3.9GHz

Characteristics

  • Gain minimum

    30 dB

    LowPowerLevel

  • Noise factor maximum

    25 dB

  • Saturation output power minimum

    200 mW