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Tuning Indicator ·TuningIndicator

EAM86

Tuning and modulation indicator combining a fluorescent display with an integral diode for rectifying the indication voltage in radio and monitoring equipment.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
-
Nominal heater
6.3 V / 300 mA

Description

Tuning and modulation indicator with fluorescent screen and an integral diode for rectifying the indication voltage.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B9A
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
300 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

Tuning Indicator

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Published Telefunken ratings and characteristics promoted from the supplied source.

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

Tuning Indicator

Characteristic

  • Heater Voltage

    6.3 V

  • Heater Current

    300 mA

  • IntegralDiode

    1 boolean

    TuningVoltageRectifier