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

RS1896

Vapor-cooled linear transmitting tetrode with approximately 100 kW plate dissipation for major broadcast and communications systems.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
11 V / 175 A

Description

Linear metal-ceramic-glass transmitting tetrode with coaxial electrode lead-throughs, vapor-cooled and intended for high-power transmitter service.

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
11 V
Nominal heater current
175 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

Tetrode

X-ray radiationInterelectrode capacitances
Transconductance
0.04 S
Amplification factor
5.5
Max plate voltage
15000 V
Max screen voltage
2400 V
Max plate dissipation
100000 W
Max screen dissipation
1800 W
Max grid dissipation
500 W
Max cathode current
18 A

Maximum ratings kept separate from typical operating characteristics; fixed fields use published maximum-rating values where clearly applicable.

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

1963 Siemens

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Capacitance

  • Cathode/control grid

    195 pF

  • Cathode/screen grid

    70 pF

  • Cathode/anode

    0.45 pF

  • Control grid/screen grid

    145 pF

  • Control grid/anode

    2.5 pF

  • Screen grid/anode

    70 pF

Characteristic

  • Emission current

    55 A