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Power - Tetrode (NOT beam) (over 1000V 100W) ·Tetrode

GU34B

Forced-air-cooled Russian wideband power tetrode for VHF operation to approximately 250 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
12.6 V / -

Description

Forced-air-cooled wideband power tetrode to 250 MHz.

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
12.6 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

Tetrode

X-ray radiationInterelectrode capacitances
Max plate voltage
4000 V
Max screen voltage
600 V
Max plate dissipation
500 W
Max grid dissipation
20 W
Max cathode current
540 mA

English text primary; Russian used only as secondary cross-check.

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

1968 Electronintorg

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Other

  • Operating Frequency

    250 MHz

  • Maximum Anode Voltage

    4000 V

  • Maximum Grid 2 Voltage

    600 V

  • Maximum Anode Dissipation

    500 W

  • Maximum Grid Dissipation

    20 W

  • Cathode Current Limit

    540 mA

Characteristic

  • Heater/Filament Voltage

    12.6 V