5759

Forced-air-cooled transmitting triode for VHF RF power amplification and oscillation. Published Class C operation produces about 2.18 kW output from 3.5 kV, with full-input ratings extending to approximately 150 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 7.5 V / 24 A

Description

5759 is listed in the supplied Amperex material as a forced-air-cooled low-voltage high-current RF triode. Published ratings and characteristics were captured from the supplied table.

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: 7.5 V
Nominal heater current: 24 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

Triode

X-ray radiationInterelectrode capacitances

Transconductance: 0.01 S
Amplification factor: 17
Max plate voltage: 3500 V
Max plate dissipation: 1000 W

Published ratings and characteristics mapped semantically from the source.

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

1953 Amperex

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Amplification factor
17
Published source value

Construction

Cooling method
forced air
Published source value

Data set 02

1958 Amperex Industrial

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Plate voltage
3500 V
RFAmplifierOrOscillator; ClassC; Telegraphy
Plate current
870 mA
RFAmplifierOrOscillator; ClassC; Telegraphy
RF output power
2175 W
RFAmplifierOrOscillator; ClassC; Telegraphy
Grid voltage
-250 V
RFAmplifierOrOscillator; ClassC; Telegraphy
Grid current
133 mA
RFAmplifierOrOscillator; ClassC; Telegraphy
Maximum frequency at full input rating
150 MHz

Capacitance

Grid-to-plate capacitance
10 pF
Grid-to-filament/cathode capacitance
11 pF
Plate-to-filament/cathode capacitance
1.3 pF

Data set 03

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Filament voltage
7.5 V
TransmittingService
Filament current
24 A
TransmittingService
Amplification factor
17
TransmittingService

Other

Maximum plate dissipation
1000 W
TransmittingService
Plate voltage
3500 V
TransmittingService
Plate current
870 mA
TransmittingService
Power output
2175 W
TransmittingService
Grid bias
-250 V
TransmittingService
Grid current
133 mA
TransmittingService
Maximum frequency
150 MHz
FullInputWatts