Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Power - Beam (NOT sweep) ·BeamPower

YL1103

Conduction-cooled UHF beam-power tube for professional RF and television amplification, rated to approximately 1.2 GHz with useful Class-C and linear output.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 2.1 A

Description

The Mullard YL1103 is a conduction-cooled UHF beam-power tetrode in the YL1100 family for RF power, oscillator and frequency-multiplier 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
2.1 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

Beam Power

X-ray radiationInterelectrode capacitances
Transconductance
0.016 S
Amplification factor
18
Max plate voltage
1000 V
Max screen voltage
300 V
Max plate dissipation
115 W
Max screen dissipation
4.5 W

UHF beam-power tetrode section.

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 Mullard

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Maximum Operating Frequency

    1200 MHz

  • Maximum Plate Voltage

    1000 V

    ClassC

  • Maximum Plate Dissipation

    115 W

  • RF Load Power

    80 W

    ClassC; 400MHz

  • RF Load Power

    40 W

    ClassC; 1200MHz

  • Television Linear Amplifier Load Power

    13 W

    ClassAB1; 790MHz