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

TH3515

High-performance C-band traveling-wave amplifier for line-of-sight microwave links, covering approximately 6.4–7.2 GHz with tens-of-watts output.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
5.5 V / -

Description

High-performance C-band TWT for line-of-sight microwave links.

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
5.5 V
Nominal heater current
-
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
4000 V
Max cathode current
55 mA

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

  • Frequency Range

    6.4-7.2 GHz

  • Heater Voltage

    5.5 V

  • Heater Current

    0.5-0.8 A

  • RF Output Power

    >=20 W

  • Gain

    >=33 dB

  • Helix Voltage

    3.6-3.9 kV

  • Collector Voltage

    1.7-2.0 kV

Other

  • Maximum Helix/Beam/Anode Voltage

    4000 V

  • Cathode/Beam Current

    55 mA

  • Warm-up Time

    3 min

  • Collector Dissipation Maximum

    130 W