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Power - Tetrode (NOT beam) ·Tetrode

YL1042

Compact forced-air-cooled metal-ceramic planar tetrode for commercial communications transmitters. Low grid-to-plate capacitance enables linear RF amplification to roughly 2 GHz, while published single-sideband conditions demonstrate useful transmitter output from the small structure.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 1.1 A

Description

Very small forced-air-cooled metal-ceramic planax tetrode for frequencies to about 2 GHz and commercial communication 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
6.3 V
Nominal heater current
1.1 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
0.02 S
Amplification factor
20
Max plate voltage
1000 V
Max screen voltage
300 V
Max plate dissipation
130 W
Max screen dissipation
2 W
Max cathode current
180 mA

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

Other

  • FrequencyLimit

    2000 MHz

  • Power Output

    55 W

    Linear RF power amplifier, SSB; 60 MHz; Class AB; one tone

Characteristic

  • Typical Plate Voltage

    1000 V

  • Typical Screen Voltage

    200 V

  • Typical Plate Current

    100 mA

Capacitance

  • Grid Cathode Capacitance

    9 pF

  • GridScreenCapacitance

    15 pF

  • ScreenPlateCapacitance

    3.5 pF

  • GridPlateCapacitance

    0.03 pF