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Specialized - Cathode Ray ·CathodeRay

D1342GM

Philips/Telefunken D-series cathode-ray instrument tube for oscillographic display; no manufacturer artifact is currently attached, so the description is limited to its supported instrument-CRT family.

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

Description

The Telefunken D1342GM is a flat-face single-beam oscilloscope CRT with high deflection sensitivity and P7 phosphor.

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
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

Cathode Ray

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Single-beam oscilloscope CRT display 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

1959 Telefunken

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

  • Heater Voltage

    6.3 V

  • Heater Current

    300 mA

    Approximate

  • Phosphor

    P7 text

Other

  • Mean Deflection Plate Potential

    2000 V

  • Acceleration Voltage

    2000 V

  • Focus Voltage Minimum

    500 V

  • Focus Voltage Maximum

    540 V