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Specialized - Cathode Ray ·CathodeRay

L14150GH95

Fourteen-centimeter Philips instrument CRT with electrostatic focusing and deflection, intended for precision oscilloscope/display service with documented storage/display, capacitance, operating-voltage, and deflection characteristics.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 240 mA

Description

14 cm instrument cathode-ray tube. The supplied Philips sheet specifies electrostatic focusing and deflection, storage/display characteristics, heater data, capacitances, operating voltages, deflection coefficients, and limiting values.

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
240 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.

14 cm instrument cathode-ray tube

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 E-Z

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristic

  • INSTRUMENT CATHODE-RAY TUBE

    14 cm

  • Final accelerator voltage Vg10(9)

    8.6 kV

  • Minimum useful scan area [1]

    90 mm

  • Minimum useful scan area [2]

    72 mm

  • horizontal My

    9.5 V

  • Writing speed

    2.5 div/µs

  • Useful screen area min [1]

    90 mm

  • Useful screen area min [2]

    72 mm

  • Useful scan area min [1]

    90 mm

  • Useful scan area min [2]

    72 mm

  • and vertical directions max

    6 mm

  • Heater voltage Vg

    63 V

  • Heater current If

    240 mA

  • current at equilibrium conditions approx

    5 s

  • Heater voltage VFGt

    126 V

  • Heater current IFGf

    240 mA

  • Overall length (socket included) <

    452 mm

  • Faceplate dimensions (final accelerator contact excluded) 118+ [1]

    0.5 mm

  • Faceplate dimensions (final accelerator contact excluded) 118+ [2]

    0.6 mm

  • Net mass ' approx

    1.3 kg

  • - - T ; ) i T’ ref:. line

    280 %

  • T |7 2"

    0 s

  • (1) Minimum cable length is

    420 mm

  • {2) Minimum length of connecting leads is

    350 mm

  • more than

    3 mm

  • FGK sub-division

    1.8 mm

  • line width

    0.2 mm

  • dot diameter

    0.4 mm

  • lal —a2| <

    0.3 mm

  • 910 ( final accelerator)

    100 ms

  • | < [1]

    500 ms

  • | < [2]

    600 ms

  • 910 ( final accelerator)

    150 V

  • 910 ( final accelerator)

    15 V

  • 910 ( final accelerator)

    5 V

  • 99 { backing electrode)

    50 V

  • oV |

    -5 V

  • oV | [1]

    150 V

  • oV | [2]

    150 V

  • Vgg (col )

    120 V

  • I & Ig7 3 {collimator) [1]

    75 V

  • I & Ig7 3 {collimator) [2]

    75 V

  • I & Ig7 3 {collimator)

    140 V

  • I & Ig7 3 {collimator) [1]

    100 V

  • I & Ig7 3 {collimator) [2]

    100 V

  • $ |

    40 V

  • I & Ig7 3 {collimator) [1]

    40 V

  • I & Ig7 3 {collimator) [2]

    40 V

  • I & Ig7 3 {collimator)

    90 V

  • I & Ig7 3 {collimator) [1]

    30 V

  • I & Ig7 3 {collimator) [2]

    30 V

  • I & Ig7 3 {collimator)

    50 V

  • I & Ig7 3 {collimator) [1]

    28 V

  • I & Ig7 3 {collimator) [2]

    28 V

  • horizontal min

    90 mm

  • vertical min

    72 mm

  • Deflection coefficient

    9.5 V

  • horizontal My max

    10.56 V

  • Deflection coefficient

    4.1 V

  • max

    4.4 V

  • Line width at the centre of the screen Lw

    0.35 mm

  • just black >

    90 s

  • Storage viewing time

    15 s

  • Grid drive for [1]

    10 µA

  • Grid drive for [2]

    26 V

  • Grid drive for specified writing speed V4 max

    45 V

  • at FGA [1]

    28 V

  • at FGA [2]

    1 mA

  • at FGA [1]

    50 V

  • at FGA [2]

    2 mA

Capacitance

  • x1 to all other elements except x2 Cx1(x2)

    55 pF

  • x2 to all other eilements except x4 Cy2(x1)

    55 pF

  • y1 to all other elements except y7 Cy1 {y2)

    3.5 pF

  • y2 to all other elements except vy Cyz(y1)

    3.6 pF

  • X1 to x2 Cx1x2

    25 pF

  • Y1 to y2 Cy1y2

    2 pF

  • g1 to all other elements Cg1

    6 pF

  • k to all other elements Ck

    3.5 pF

  • g3 to all other elements Cg3

    45 pF

  • g7-1 to all other elements Cq7-1

    30 pF

  • g7-2 to all other elements Cg7_2

    65 pF

  • g7-3 to all other elements Cq7-3

    60 pF

  • gg to all other elements Cgg

    60 pF

  • g10 to all other elements Cq10

    80 pF

  • FGA to all other elements CrFGA

    15 pF

  • FGK' to all other elements CEGK’

    8 pF

  • FGK'’ to all other elements CFGK”

    8 pF

Other

  • Final accelerator voitage Vg10(®)

    8500 V

  • Geometry control electrode voltage Vge 1500 £

    100 V

  • Deflection plate shield voltage Vg5

    1500 V

  • Astigmatism control electrode voltage Vga 1500 £

    50 V

  • Focusing electrode voltage Vg3 400 to

    600 V

  • First accelerator voltage Vg2

    1500 V

  • OPERATION l {static erasing pulses) l [1]

    7000 V

  • OPERATION l {static erasing pulses) l [2]

    7000 V

  • Geometry control electrode voltage Vg6 max

    2100 V

  • Deflection plate shield voltage Vg5 max

    2000 V

  • min. 2000

    1250 V

  • negative —g/g1 max

    200 V

  • positive Vit max

    125 V