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Voltage Radio Detector Converter ·Diode-Pentode

RENS1854

Telefunken screen-grid binode combining a detector diode with an amplifier pentode for detection followed by audio-frequency amplification. Integrating both functions reduces receiver tube count in series-heater equipment.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
-
Base pins
-
Nominal heater
4 V / 180 mA

Description

Screen-grid binode combining a detector diode with an amplifier section for detection and subsequent AF amplification.

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
180 mA
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

2 physical sections, each with unique specifications.

Section 1

Diode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Published historical Telefunken data promoted where legible; filename-designated tube kept distinct from surrounding handbook entries.

Section 2

Pentode

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

Published historical Telefunken data promoted where legible; filename-designated tube kept distinct from surrounding handbook entries.

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

Diode

Application

  • Application

    Detector diode

SECTION 2

Pentode

Application

  • Application

    AF amplifier