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

Specialized - Traveling Wave ·TravelingWave

7640

Rugged pulsed traveling-wave power amplifier covering 2–4 GHz, delivering at least approximately 1 kW peak output with 30 dB gain.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 3 A

Description

The 7640 is a rugged pulse traveling-wave amplifier covering 2 to 4 GHz with 30 dB gain and 1 kW minimum peak output power.

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
3 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 plate voltage
8000 V
Max cathode current
2 A

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

1962 ITT

Published operating points and test conditions from this source.

SECTION 1

TravelingWave

Characteristic

  • Frequency Range

    2.0-4.0 GHz

  • Heater Voltage

    6.3 V

  • Heater Current

    3 A

  • Minimum Peak Output Power

    1000 W

  • Gain

    30 dB

Other

  • Maximum Anode Voltage

    8000 V

  • Maximum Shell Current

    800 mA

  • Maximum Collector Voltage

    8000 V

  • Maximum Collector Dissipation

    160 W

  • Maximum RF Input Power

    2 W

  • Maximum RF Output Power

    30 W

  • Maximum Duty Cycle

    0.01

  • Maximum Beam Pulse Width

    100 us

  • Maximum Cathode Current

    2 A