P600A

Naturally cooled graphite-anode RF power pentode for telecommunications transmitters, rated through approximately 60 MHz and around 1 kW RF output. Designed for substantial professional transmitting service.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 10 V / 10 A

Description

Naturally cooled graphite-anode RF power pentode for telecommunications transmitters, rated for operation through 60 MHz and about 1 kW RF output.

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: 10 V
Nominal heater current: 10 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

Pentode

X-ray radiationInterelectrode capacitances

Transconductance: 0.0065 S
Max plate voltage: 3000 V
Max screen voltage: 800 V
Max plate dissipation: 400 W
Max screen dissipation: 80 W
Max cathode current: 600 mA

Published promoted ratings/characteristics retained where readable; additional values are in TUBE_SECTION_PARAMETER.

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

1958 Compagnie General

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

Control-grid to screen-grid amplification ratio
6.5 ratio
Ia=175mA;Va=500V
Transconductance
6500 uS
Ia=200mA;Va=600V

Other

Maximum frequency
60 MHz
Maximum plate voltage
2500 V
30<f<60MHz
Maximum plate dissipation
350 W
f>30MHz
Plate voltage
2800 V
ClassC;RFAmplifier;Telegraphy;f=30MHz
Screen-grid voltage
600 V
ClassC;RFAmplifier;Telegraphy;f=30MHz
Plate current
470 mA
ClassC;RFAmplifier;Telegraphy;f=30MHz
Drive power
4.5 W
ClassC;RFAmplifier;Telegraphy;f=30MHz
RF output power
950 W
ClassC;RFAmplifier;Telegraphy;f=30MHz

Capacitance

Grid-to-plate capacitance
0.1 pF
Input capacitance
24 pF
Output capacitance
22 pF