1SA6GT

Directly heated battery pentode designed specifically for intermediate-frequency amplifier stages in portable receivers.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 6BD
Socket code: IO
Base pins: 8
Nominal heater: 1.4 V / 50 mA

Description

IF pentode intended for battery-operated intermediate-frequency amplifier stages. Electrical ratings and representative operating data were extracted from the approved manual page.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 6BD
Socket code: IO
Base pins: 8
Nominal heater voltage: 1.4 V
Nominal heater current: 50 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

6BD - 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

Plate resistance: 600000 Ω
Transconductance: 0.00095 S
Max plate voltage: 90 V
Max screen voltage: 67.5 V
Max cathode current: 6 mA

IF pentode intended for battery-operated intermediate-frequency amplifier stages.

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

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

Input capacitance
5.2 pF
Output capacitance
8.6 pF
Grid-to-plate capacitance
0.01 pF

Other

Plate voltage
90 V
ClassA; OperatingPoint1
Screen voltage
67.5 V
ClassA; OperatingPoint1
Control-grid bias
0 V
ClassA; OperatingPoint1
Plate current
2.45 mA
ClassA; OperatingPoint1
Screen current
0.68 mA
ClassA; OperatingPoint1