Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Specialized - Cathode Ray ·CathodeRay

D10650GM

Single-beam oscilloscope CRT with aluminized screen and mesh electrode, combining high deflection sensitivity, accuracy, brightness, and writing speed for compact wideband oscilloscopes.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
DIN1425
Base pins
-
Nominal heater
6.3 V / 92 mA

Description

Single-beam oscilloscope tube with aluminized screen and mesh electrode, high deflection sensitivity, high accuracy and high brightness, intended for small wideband oscilloscopes.

Socket description

DIN 14-25 14-contact CRT base family

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
DIN1425
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
92 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.

Cathode-ray/oscilloscope section; operating voltages and deflection characteristics are preserved in parameter rows.

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

195X AEG Telefunken

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Mean Deflection Plate Potential

    1000 V

    Published typical operating condition or characteristic from the approved datasheet.

  • Mean Deflection Plate Potential

    1500 V

    Published typical operating condition or characteristic from the approved datasheet.

  • First Acceleration Voltage

    1000 V

    Published typical operating condition or characteristic from the approved datasheet.

  • First Acceleration Voltage

    1500 V

    Published typical operating condition or characteristic from the approved datasheet.

  • Wehnelt Voltage for Spot Cut-off

    -72 to -36 V

    Published typical operating condition or characteristic from the approved datasheet.

  • Modulation Voltage

    25 V

    Published typical operating condition or characteristic from the approved datasheet.

  • Astigmatism Correction Voltage

    960 to 1040 V

    Published typical operating condition or characteristic from the approved datasheet.

  • Geometry Correction Voltage

    960 to 1040 V

    Published typical operating condition or characteristic from the approved datasheet.

  • Mesh Electrode Voltage

    935 to 1025 V

    Published typical operating condition or characteristic from the approved datasheet.

  • Heater Voltage

    6.3 V

    Published heater rating.

  • Heater Current

    92 mA

    Published heater rating.

Characteristic

  • Deflection Coefficient Y

    43 to 53 V/cm

    Published typical operating condition or characteristic from the approved datasheet.

  • Deflection Coefficient X

    10.5 to 12.8 V/cm

    Published typical operating condition or characteristic from the approved datasheet.