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1D5GT

Variable-mu or remote-cutoff screen-grid tetrode for controlled RF or IF voltage amplification, permitting smooth receiver gain control over an extended grid-bias range.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 5R
Socket code: UX5
Base pins: 5
Nominal heater: 2 V / 60 mA

Description

Remote-cutoff RF directly heated tetrode for Class A RF amplification.

Socket description

Small 5-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 5R
Socket code: UX5
Base pins: 5
Nominal heater voltage: 2 V
Nominal heater current: 60 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

5R - 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

Plate resistance: 600000 Ω
Transconductance: 0.00065 S
Max plate voltage: 180 V
Max screen voltage: 67.5 V

Remote-cutoff RF tetrode section.

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

Tetrode

Other

Maximum plate voltage
180 V
Maximum screen-grid voltage
67.5 V
Plate voltage
180 V
ClassA RFAmplifier
Screen-grid voltage
67.5 V
ClassA RFAmplifier
Control-grid voltage
-3 V
ClassA RFAmplifier
Plate current
2.2 mA
ClassA RFAmplifier
Screen-grid current
0.7 mA
ClassA RFAmplifier
Plate resistance
600000 Ohm
ClassA RFAmplifier
Transconductance
650 uS
ClassA RFAmplifier