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Specialized - Cathode Ray ·CathodeRay

DG1334

Philips/Mullard DG-series cathode-ray instrument tube intended for oscillographic and measurement display, with manufacturer-defined electrostatic focusing, deflection, screen, and accelerating characteristics for type DG1334.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B12A
Base pins
-
Nominal heater
6.3 V / 600 mA

Description

High-sensitivity flat-face oscilloscope CRT with post-acceleration electrode.

Socket description

Duodecal 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B12A
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
600 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
Max plate voltage
6000 V

Electrostatic focusing/deflection CRT section; electrical/screen/deflection data retained 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

1957 Philips Receiving and Amplifying Tubes

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

  • Focusing method

    Electrostatic

  • Deflection method

    Double electrostatic

  • Screen fluorescence

    Green

Application

  • Application

    Oscilloscope / oscillography display

Construction

  • Post-acceleration

    Yes

  • Screen face

    Flat

Data set 02

1963 Philips Electron Tubes Handbook V2

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristic

  • Deflection sensitivity N1 without post-acceleration

    0.68 to 0.84 mm/V

  • Deflection sensitivity N2 without post-acceleration

    0.51 to 0.63 mm/V

  • Deflection sensitivity N1 with post-acceleration

    0.51 to 0.63 mm/V

  • Deflection sensitivity N2 with post-acceleration

    0.38 to 0.47 mm/V

Other

  • Maximum post-acceleration voltage

    6000 V

  • Maximum main accelerating voltage

    2600 V

  • Minimum main accelerating voltage

    1000 V

  • Maximum focusing-grid voltage

    1000 V

  • Maximum heater-cathode voltage

    180 V

Data set 03

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Post-accelerator voltage

    4000 V

    Published datasheet value

  • Accelerator voltage

    2000 V

    Published datasheet value

  • Post-accelerator voltage maximum

    - to 6000 V

    Published datasheet value

  • Accelerator voltage maximum

    - to 2600 V

    Published datasheet value

  • Accelerator voltage minimum

    1000 to - V

    Published datasheet value

  • Focusing voltage maximum

    - to 1000 V

    Published datasheet value

  • Cathode-heater voltage maximum

    - to 180 V

    Published datasheet value

  • Combined grid dissipation maximum

    - to 6 W

    Published datasheet value

Characteristics

  • Line width

    0.3 mm

    Published datasheet value

  • Useful scan

    102 mm

    Published datasheet value

  • Linearity deviation maximum

    2 %

    Published datasheet value

  • Pattern distortion maximum

    2.5 %

    Published datasheet value