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Voltage Radio Detector Converter ·Tetrode

REN1817D

Double-grid mixer tube for series-heater superheterodyne receivers. Its two-grid structure performs frequency conversion in the receiver front end.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
4 V / 180 mA

Description

Double-grid mixer tube for series-heater superheterodyne receivers.

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

1 physical section, each with unique specifications.

Section 1

Tetrode

X-ray radiationInterelectrode capacitances
Max plate voltage
200 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

Tetrode

Application

  • Application

    Mixer / frequency changer