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QV08100

Mullard RF tetrode suitable for single-sideband and Class-C power service. Its output construction supports both linear and nonlinear radio-frequency amplification.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 3.9 A

Description

The Mullard QV08100 is a rF tetrode suitable for single-sideband and Class C power service.

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: 3.9 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: 0.009 S
Max plate voltage: 825 V
Max screen voltage: 300 V
Max plate dissipation: 100 W

RF tetrode suitable for single-sideband and Class C power service.

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

Tetrode

Characteristics

Heater/Filament Voltage
6.3 V
Heater/Filament Current
3.9 A
Transconductance
9000 uS
RepresentativeSpecifiedOperatingPoint
Grid-Cathode Capacitance
30 pF
Plate-Cathode Capacitance
12.7 pF

Other

Maximum Operating Frequency
30 MHz
FullOrSpecifiedRatings
Maximum Plate Voltage
825 V
Maximum Screen Voltage
300 V
Maximum Plate Dissipation
100 W
Plate-Grid Capacitance Maximum
0.9 pF
RF Output Power
200 W
RepresentativePublishedOperatingPoint
Modulated RF Output Power
130 W
RepresentativePublishedOperatingPoint
Plate Voltage
750 V
ClassC; Telegraphy; 30MHz
Plate Current
385 mA
ClassC; Telegraphy; 30MHz
Screen Voltage
250 V
ClassC; Telegraphy; 30MHz
Efficiency
70 percent
ClassC; Telegraphy; 30MHz