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Power - Triode ·Triode

A1834

High-mu planar transmitting triode designed for grounded-grid microwave oscillator and amplifier service. Its low-inductance metal-ceramic construction and very low interelectrode capacitance support operation well into the microwave frequency range.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
IO
Base pins
-
Nominal heater
6.3 V / 2.5 A

Description

The A1834 is an indirectly heated dual triode intended for DC-amplifier and scanning-booster service, with two equivalent triode systems.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
IO
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
2.5 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

2 physical sections, with 1 unique section. The remaining sections have identical specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Transconductance
0.0075 S
Max plate voltage
250 V
Max plate dissipation
13 W

Representative section row for two equivalent triode systems. Published maximum ratings and characteristics audited; remaining useful numerical data retained in TUBE_SECTION_PARAMETER.

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

1955 Marconi

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Heater voltage

    6.3 V

    Published heater rating.

  • Heater current

    2.5 A

    Published heater rating.

  • Peak heater-cathode voltage

    300 V

    Maximum rating.

  • Plate voltage

    250 V

    Maximum per triode system.

  • Plate dissipation

    13 W

    Maximum per triode system.

  • Transconductance

    7500 uS

    Characteristic per triode system.

  • Scanning-booster peak inverse voltage

    17000 V

    Maximum scanning-booster rating; pulse duration limited to 10 us and 15% of scanning cycle.