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Specialized - Cathode Ray ·CathodeRay

D12120GH115

Philips instrument cathode-ray tube for oscilloscope or precision display service, using electrostatic beam control and manufacturer-specified focusing, acceleration, capacitance, screen, and deflection characteristics.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
-

Description

Philips cathode-ray tube intended for oscilloscope or instrument-display service. The datasheet specifies screen, heating, electrostatic deflection, accelerator/focusing voltages, capacitances, operating characteristics, and limiting values as applicable.

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
-
Nominal heater current
-
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.

Published electrical ratings and operating data captured in promoted fields where directly applicable and additional 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

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Published specification

    2 cm

    Published datasheet specification

  • Final accelerator voltage Vg

    10 kV

    Published datasheet specification

  • Minimum useful scan area

    0 mm

    Published datasheet specification

  • horizontal My

    5.6 V

    Published datasheet specification

  • vertical My

    1 V

    Published datasheet specification

  • Useful screen area

    80 mm

    Published datasheet specification

  • Useful scan area

    80 mm

    Published datasheet specification

  • Heater voltage Vi

    3 V

    Published datasheet specification

  • Heater current It

    1 A

    Published datasheet specification

  • Overall length {socket included) <

    356 mm

    Published datasheet specification

  • Published specification

    1

    Published datasheet specification

  • Published specification

    4

    Published datasheet specification

  • Published specification

    9

    Published datasheet specification

  • Published specification

    2

    Published datasheet specification

  • Control grid to all other elements Cq

    5 pF

    Published datasheet specification

  • Cathode to all other elements Ck

    5 pF

    Published datasheet specification

  • x-trace with the mechanical x-axis of the screen. The coil has

    0

    Published datasheet specification

  • earthing the outer conductive coating. Minimum cable length is

    20 mm

    Published datasheet specification

  • Published specification

    10 mm

    Published datasheet specification

  • Published specification

    50 V

    Published datasheet specification

  • subdivision

    6 mm

    Published datasheet specification

  • Line width

    0.15 mm

    Published datasheet specification

  • dot diameter

    0.32 mm

    Published datasheet specification

  • Geometry control electrode voitage Vg

    1500

    Published datasheet specification

  • Background illumination control voltage Avga

    15 V

    Published datasheet specification

  • Deflection plate shield voltage Vg

    1500 V

    Published datasheet specification

  • Astigmatism control electrode voltage AV

    2

    Published datasheet specification

  • Line width l.w. typ

    35 mm

    Published datasheet specification

  • Grid drive for

    0 uA

    Published datasheet specification

  • Final accelerator voltage Vg

    11 kV

    Published datasheet specification

  • Geometry control electrode voltage Vg

    2200 V

    Published datasheet specification

  • shield voltage Vg

    2200 V

    Published datasheet specification

  • Deflection plate shield voltage Vg

    2200 V

    Published datasheet specification

  • Focusing electrode voltage Vg

    2200 V

    Published datasheet specification

  • R . . ; v max

    200 V

    Published datasheet specification

  • First accelerator and astigmatism voltage

    2.94

    Published datasheet specification

  • Vv max

    0 V

    Published datasheet specification

  • electrode and any deflection plate Vg

    500 V

    Published datasheet specification

  • Vaa/y max

    0 V

    Published datasheet specification

  • Grid drive, averaged over

    20 V

    Published datasheet specification

  • distortion, and a slight increase of background light. By the use of the two voltages Vg

    7

    Published datasheet specification

  • conditions, adjusted for optimum spot size, at a beam current of

    0

    Published datasheet specification

  • Published specification

    80 mm

    Published datasheet specification

  • Published specification

    75

    Published datasheet specification

  • at a deflection of

    5

    Published datasheet specification

Characteristic

  • 1. The tube is designed for optimum performance when operating at a ratio Vgg(g)/Vgz,g4

    6.7

    Published datasheet specification