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Power - Beam (NOT sweep) ·BeamPower

QV0620

VHF beam-power tetrode designed for RF amplifier and oscillator service to approximately 175 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 1.25 A

Description

The Mullard QV0620 is a vHF beam-power tetrode for RF amplifier or oscillator service to 175 MHz.

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: 1.25 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

Beam Power

X-ray radiationInterelectrode capacitances

Max plate voltage: 600 V
Max screen voltage: 250 V
Max plate dissipation: 20 W
Max screen dissipation: 3 W

VHF beam-power tetrode for RF amplifier or oscillator service to 175 MHz.

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

Characteristics

Heater/Filament Voltage
6.3 V
Heater/Filament Current
1.25 A
Input Capacitance
13.5 pF
Output Capacitance
8.5 pF

Other

Maximum Operating Frequency
175 MHz
FullOrSpecifiedRatings
Maximum Plate Voltage
600 V
Maximum Screen Voltage
250 V
Maximum Plate Dissipation
20 W
Plate-Grid Capacitance Maximum
0.22 pF
RF Output Power
52 W
RepresentativePublishedOperatingPoint
RF Output Power
25 W
RepresentativePublishedOperatingPoint
Modulated RF Output Power
32 W
RepresentativePublishedOperatingPoint
Plate Voltage
600 V
ClassC; TelegraphyOrFMTelephony; 60MHz
Plate Current
112 mA
ClassC; 60MHz
RF Output Power
52 W
ClassC; 60MHz
Plate Voltage
320 V
ClassC; 175MHz
RF Output Power
25 W
ClassC; 175MHz