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Power - Triode ·Triode

CV789

Naturally cooled RF power triode for amplifier, oscillator, and modulator service. Rated for approximately 25 W plate dissipation and 2 kV plate voltage, with Class C output around 100 W to roughly 60 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 3 A

Description

Natural-cooled RF power triode for amplifier, oscillator, and modulator service. Explicit equivalent/service designation printed in approved source.

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
6.3 V
Nominal heater current
3 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

Triode

X-ray radiationInterelectrode capacitances
Transconductance
0.0025 S
Amplification factor
25
Max plate voltage
2000 V
Max plate dissipation
25 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

1971 English Electric Valve

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Filament voltage

    6.3 V

  • Filament current

    3 A

  • Maximum frequency for full ratings

    60 MHz

  • Typical class-C unmodulated output power

    100 W