Skip to main content

Voltage Tetrode ·Tetrode

VS24

Two-volt variable-mu screen-grid valve for RF or IF gain control in battery receivers, providing high maximum mutual conductance and low cross-modulation distortion.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B4
Base pins
4
Nominal heater
2 V / 150 mA

Description

A 2-volt variable-mu screen-grid valve designed for H.F. or I.F. gain control by grid bias, with high maximum mutual conductance and low cross-modulation distortion.

Socket description

European 4-pin base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B4
Base pins
4
Nominal heater voltage
2 V
Nominal heater current
150 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

1 physical section, each with unique specifications.

Section 1

Tetrode

X-ray radiationInterelectrode capacitances
Transconductance
0.0015 S
Max plate voltage
150 V
Max screen voltage
75 V

Published ratings and characteristics promoted from the approved datasheet.

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

1937 Osram Valves

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Other

  • Heater Voltage

    2 V

    Published datasheet value

  • Heater Current

    150 mA

    Published datasheet value

  • Anode Voltage Maximum

    150 V

    Published datasheet value

  • Screen Voltage Maximum

    75 V

    Published datasheet value

Characteristic

  • Mutual Conductance

    1500 µS

    Published datasheet value