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Specialized - Traveling Wave ·TravelingWave

F4008C

O-type Carcinotron backward-wave oscillator for electronically tunable microwave generation across approximately 7–11 GHz.

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

Description

The F4008C is an O-type carcinotron backward-wave oscillator covering approximately 7-11 GHz.

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
-
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
200 V
Max cathode current
3 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

    7-11 GHz

  • Heater Voltage

    6.3 V

  • Heater Current

    0.75-1.8 A

Other

  • Maximum Anode Voltage

    200 V

  • Maximum Line Voltage

    1600 V

  • Maximum Line Current

    30 mA

  • Warm-up Time

    2 min

Capacitance

  • Anode-to-All-Other-Electrodes Capacitance

    30 pF