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Power - Beam (NOT sweep) ·BeamPower-BeamPower

GU32

Low-power Russian dual transmitting tetrode for RF amplifiers, oscillators, AF/RF modulators, and frequency-multiplier service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
B7A
Base pins
7
Nominal heater
12.6 V / 1.6 A

Description

Low-power dual transmitting tetrode intended mainly for RF amplifiers and oscillators, AF/RF modulators, and frequency multipliers.

Socket description

Septar 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B7A
Base pins
7
Nominal heater voltage
12.6 V
Nominal heater current
1.6 A
Parallel heater voltage
6.3 V
Parallel heater current
1.6 A
Series capable
Yes

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

2 physical sections, each with unique specifications.

Section 1

Beam Power

X-ray radiationInterelectrode capacitances
Transconductance
0.0035 S
Max plate voltage
500 V
Max screen voltage
250 V
Max plate dissipation
15 W
Max screen dissipation
5 W
Max grid dissipation
5 W

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

Section 2

Beam Power

X-ray radiationInterelectrode capacitances
Transconductance
0.0035 S
Max plate voltage
500 V
Max screen voltage
250 V
Max plate dissipation
15 W
Max screen dissipation
5 W

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

Beam Power

Other

  • Operating Frequency

    200 MHz

  • Maximum Anode Voltage

    500 V

  • Maximum Grid 2 Voltage

    250 V

  • Maximum Anode Dissipation

    15 W

  • Maximum Grid Dissipation

    5 W

Characteristic

  • Heater/Filament Voltage

    6.3 V

  • Series Heater Voltage

    11.3-13.8 V

  • Parallel Heater Voltage

    5.7-6.9 V

Data set 02

196X Lamina

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

  • Maximum frequency

    200 MHz

  • Input capacitance

    7.8 pF

  • Output capacitance

    3.8 pF

  • Grid-plate capacitance

    <0.06 pF