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EM6

Russian dual tetrode documented in technical reference literature; available source does not clearly establish a narrower specialized functional role.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: SIDE8
Base pins: 8
Nominal heater: -

Description

Dual tetrode vacuum tube described in the Russian reference source. Technical description is translated to English from the complete filename-matched entry.

Socket description

European side-contact 8-contact base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: SIDE8
Base pins: 8
Nominal heater voltage: -
Nominal heater current: 75 mA
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

2 physical sections, each with unique specifications.

Section 1

Tetrode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Filename-matched Russian entry only.

Section 2

Tetrode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Second physical tetrode section; added to align rows with SectionCount without unsupported electrical promotion.

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

1981 Russian Tubes Katsnelson and Larionov

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Characteristics

Heater current
8 mA
Translated from Russian source; Ток накала . э яа звеев , (75-=8) мА
Plate current
7517 mA
Translated from Russian source; Ток анода каждого тетрода ‚ .. . ., , , 7517 мкА
Transconductance
25 mA/V
Translated from Russian source; Крутизна характеристики каждого тетрода . . , +25 мКА /В
Amplification factor
1
Translated from Russian source; Коэффициент усиления . . ‚ . . . .. ., 1‚1
Capacitance
1.8 pF
Translated from Russian source; Емкость входная . . . , ке ‚ ., 1,8 пФ
Transconductance
20 mA/V
Translated from Russian source; крутизна характеристики каждого тетрода . — >20 мкА/В

Other

Service life
500 h
Translated from Russian source; Наработка . . . . . ., .к. , 500 ч
Heater voltage
50.4 V
Translated from Russian source; Напряжение накала . . . , , ,. , , (4,5-50,4) В
Plate voltage
0 V
Translated from Russian source; Напряжение анода . . э оз во ов ь о (5--0,