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Voltage Pentode - Sharp Cutoff (single) ·Pentode

RENS1274

Telefunken high-frequency pentode for RF and IF amplification and detector service. Its ability to function as either signal amplifier or detector gives it broader receiver usefulness than a specialized RF-only pentode.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
4 V / 1 A

Description

High-frequency pentode for RF/IF amplification and detector 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
4 V
Nominal heater current
1 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

Pentode

X-ray radiationInterelectrode capacitances
Max plate voltage
250 V
Max screen voltage
100 V

Published historical Telefunken data promoted where legible; surrounding handbook text used only for the filename-designated tube.

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

1959 Telefunken

Published operating points and test conditions from this source.

SECTION 1

Pentode

Application

  • Application

    RF / IF amplifier