YL1040

Forced-air-cooled metal-ceramic disc tetrode for linear communications amplification into the microwave region. Its planar geometry and very low feedback capacitance support stable operation to about 3 GHz, including commercial single-sideband transmitter service.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 2.5 A

Description

Forced-air-cooled metal-ceramic disc tetrode for frequencies to about 3 GHz, especially for commercial single-sideband transmitters.

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: 2.5 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

1 physical section, each with unique specifications.

Section 1

Tetrode

X-ray radiationInterelectrode capacitances

Transconductance: 0.02 S
Amplification factor: 22
Max plate voltage: 1200 V
Max screen voltage: 300 V
Max plate dissipation: 130 W
Max screen dissipation: 3 W
Max grid dissipation: 1.5 W
Max cathode current: 400 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
3000 MHz

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