GU46

Russian RF power pentode documented with bilingual electrical and limiting-operating data. Designed for radio-frequency power amplification or generation rather than receiving-type small-signal service.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 8.3 V / 10 A

Description

RF power pentode. Extracted from the English electrical and limit-operating tables of the bilingual datasheet.

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: 8.3 V
Nominal heater current: 10 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

Pentode

X-ray radiationInterelectrode capacitances

Max plate voltage: 3000 V
Max screen voltage: 650 V
Max plate dissipation: 500 W
Max screen dissipation: 45 W
Max grid dissipation: 4 W

English text primary; Russian used only to verify/repair OCR.

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

Pentode

Characteristic

Transconductance
7500 to 11500 uS
Amplification Factor
4 to 6

Capacitance

Input Capacitance
26 to 33 pF
Output Capacitance
6.5 to 11 pF
Transfer Capacitance
0.15 pF
max

Other

Grid3 Dissipation
4 W
Minimum Output Power
700 W
60MHz
Output Power after 1000 h
600 W
minimum
Filament Starting Current
23 A
Operating Frequency
60 MHz