7609

Vibration-resistant beam-power transmitting tetrode for high-frequency RF amplification and oscillation, providing about 300 W linear output and useful operation to roughly 500 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 26.5 V / 510 mA

Description

7609 is listed in the supplied Amperex material as a forced-air-cooled vibration-resistant RF power tetrode. Published electrical ratings and operating data 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: 26.5 V
Nominal heater current: 510 mA
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

Amplification factor: 5
Max plate voltage: 2000 V
Max screen voltage: 400 V
Max plate dissipation: 250 W
Max screen dissipation: 12 W
Max grid dissipation: 2 W

Promoted fields populated from published ratings/characteristics; additional published values retained 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

1962 Eimac

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Capacitance

Input Capacitance
15.7 pF
Output Capacitance
4.2 pF
Feedback Capacitance
0.03 pF

Other

Frequency of Maximum Rating
150 MHz
Maximum DC Plate Current
250 mA
ClassAB1
Typical Linear Plate Voltage
2000 V
ClassAB1
Typical Linear Plate Output Power
300 W
ClassAB1
Class C Plate-Modulated Maximum Plate Voltage
1600 V
ClassC;Telephony

Characteristic

Highest Useful Frequency
500 MHz

Data set 02

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Maximum frequency
500 MHz
TransmittingService
Published current value
30 mA
TransmittingService
Application
RF power amplifier and oscillator
Published description

Capacitance

Input capacitance
15.5 pF
Published table
Output capacitance
4.5 pF
Published table