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YL1150

Versatile Mullard beam-power tetrode for VHF Class-C RF, SSB linear, and Class-AB audio/modulator service, producing roughly 150 W RF or 200 W push-pull audio.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 12.6 V / 1.3 A

Description

The Mullard YL1150 is a beam-power tetrode for VHF Class C RF service, SSB linear amplification, and Class AB audio/modulator operation.

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: 12.6 V
Nominal heater current: 1.3 A
Parallel heater voltage: 6.3 V
Parallel heater current: 2.6 A
Series capable: Yes

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: 0.035 S
Amplification factor: 4.7
Max plate voltage: 750 V
Max screen voltage: 300 V
Max plate dissipation: 75 W
Max screen dissipation: 7.5 W
Max cathode current: 360 mA

VHF 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
60 MHz
LinearAndClassC
Maximum Plate Voltage
750 V
Maximum Plate Dissipation
75 W
PEP Output Power
120 W
ClassB; SSB; 30MHz
RF Output Power
150 W
ClassC; 30MHz
Push-Pull Audio Output Power
200 W
ClassAB; TwoTubes; Representative