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Specialized - Cathode Ray ·CathodeRay

DG41

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 DG41.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B8G
Base pins
-
Nominal heater
6.3 V / 310 mA

Description

Oscillography cathode-ray tube with electrostatic focusing and double electrostatic deflection; green, medium persistence.

Socket description

Loctal 8-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B8G
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
310 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
1000 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

Other

  • Maximum Plate Voltage

    400 V

  • Grid 2 Operating Voltage Minimum

    200 V

  • Grid 2 Operating Voltage Maximum

    300 V

  • Maximum Grid 2 Voltage

    400 V

Characteristic

  • Focusing Method

    Electrostatic

  • Deflection Method

    Double electrostatic

  • Screen Variant

    green, medium persistence

Data set 02

1963 Philips Electron Tubes Handbook V2

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Accelerating-grid voltage

    800 V

  • Focusing-grid voltage

    200 to 300 V

  • Maximum accelerating-grid voltage

    1000 V

  • Maximum focusing-grid voltage

    400 V

Characteristic

  • Deflection sensitivity N1

    0.25 mm/V

  • Deflection sensitivity N2

    0.16 mm/V

Data set 03

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristic

  • DG 4

    -1 v

    Published datasheet condition

  • Heating indirect by A.C. or D.C. VE

    6.3 V

    Published datasheet condition

  • I1 est recommandé de mettre g

    3 a

    Published datasheet condition

  • Heating ¢ indirect by A.C. or D.C, Ve

    6.3 V

    Published datasheet condition

  • Cg1

    10 pF

    Published datasheet condition

  • Cg1 = 10 pF CDZ'

    4.5 pF

    Published datasheet condition

  • Cp1

    5.3 pF

    Published datasheet condition

  • Cp1 = 5,3 pF Cpip1

    0.6 pF

    Published datasheet condition

  • Cpt'

    5.3 pF

    Published datasheet condition

  • Cpt' = 5,3 pF Cpapar

    0.8 pF

    Published datasheet condition

  • Cpz2

    4.5 pF

    Published datasheet condition

  • Cpz2 = 4,5pF CpiD1'-D2D2'

    0.1 pF

    Published datasheet condition

  • Epaisseur de la ligne (v83 = goo VA

    0.7 mm

    Published datasheet condition

  • Vg3

    800 V

    Published datasheet condition

  • Vg? 200

    -300 V

    Published datasheet condition

  • _Vg1 0

    -50 V

    Published datasheet condition

  • N4

    0.25 mm

    Published datasheet condition

  • 1) Measured on a circle of

    30 mm

    Published datasheet condition

  • Mesuré & un cercle de

    30 mm

    Published datasheet condition

  • Gemessen an einem Kreis von

    30 mm

    Published datasheet condition

  • Cg1

    7 pF

    Published datasheet condition

  • Cg1 = 7,0 pF Cp2s

    2.8 pF

    Published datasheet condition

  • Cpq

    3 pF

    Published datasheet condition

  • Cpq = 3,0 pF Cpipy?

    0.6 pF

    Published datasheet condition

  • Cp4'

    3.3 PF

    Published datasheet condition

  • Cp4' = 3,3 PF Cp2p2!

    0.8 pF

    Published datasheet condition

  • CD2 = 2'

    8 pF

    Published datasheet condition

  • Epaisseur de la ligne (Vg3 = goo vAg

    0.7 mm

    Published datasheet condition

  • Vg2 200-~

    300 V

    Published datasheet condition

  • Vg1 0

    -50 v

    Published datasheet condition

  • Published value

    0.25 mm

    Published datasheet condition

  • N2

    0.16 mm

    Published datasheet condition

  • Gemesgen an einem Kreis von

    30 mm

    Published datasheet condition

  • Vog

    600 V

    Published datasheet condition

  • Published value

    7.1953 A

    Published datasheet condition

  • Published value

    5 A

    Published datasheet condition

Other

  • Vg3

    1000 V

    Published datasheet condition

  • Vg3 = max. 1000 V VD1D1'p

    450 V

    Published datasheet condition

  • Vg3 = min. 800 V Vp2p2tp

    750 V

    Published datasheet condition

  • Vg2

    400 V

    Published datasheet condition

  • Vg2 = max. 400 V We'

    3 mW

    Published datasheet condition

  • Vg1 = max. oV Rp = max,

    5 MΩ

    Published datasheet condition

  • Vg1

    100 V

    Published datasheet condition

  • Vg1 = MaX. 100 Vv Rg1

    0.5 MΩ

    Published datasheet condition

  • Vg3 = max. 1000 V VD1D1'p maxXe

    450 v

    Published datasheet condition

  • Vg3 =min. 800V VD2D2'p maxe

    750 V

    Published datasheet condition

  • Vg2 = max. 400 V We

    3 mW

    Published datasheet condition

  • ~Vg1

    100 V

    Published datasheet condition

  • ~Vg1 = max. 100V Rg

    1 ma

    Published datasheet condition