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Specialized - Traveling Wave ·TravelingWave

TOP1294

Rugged ceramic-metal 1–2 GHz traveling-wave power amplifier delivering approximately 200 W with substantial gain.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 2.7 A

Description

The Thomson-CSF TOP1294 is a rugged ceramic/metal 1–2 ghz traveling-wave power amplifier.

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
2.7 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
Max cathode current
350 mA

Traveling-wave electron-beam device; helix, anode, collector and beam values are preserved in 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

1972 Thomson CSF

Published operating points and test conditions from this source.

SECTION 1

TravelingWave

Characteristic

  • Frequency range

    1 to 2 GHz

  • Heater voltage

    6.3 V

  • Heater current

    2.7 A

Other

  • Rated/minimum output power

    200 W

  • Gain at rated/saturated output

    30 dB

  • Helix voltage

    4 to 4.4 kV

  • Helix current

    0 to 50 mA

  • Anode voltage

    3.8 to 4.4 kV

  • Anode current

    0 to 4.5 mA

  • Collector voltage

    2 to 4.4 kV

  • Cathode current

    260 to 350 mA

  • Collector dissipation

    1200 W