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Specialized - Cathode Ray ·CathodeRay

L14111GH55

Fourteen-centimeter variable-persistence storage instrument CRT with electrostatic focusing and deflection. Its storage system allows retained display duration to be adjusted for transient and measurement applications.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
14-pin all glass
Socket code
-
Base pins
14
Nominal heater
6.3 V / 300 mA

Description

14 cm storage instrument cathode-ray tube with variable persistence. 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
14-pin all glass
Socket code
-
Base pins
14
Nominal heater voltage
6.3 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

14-pin all glass - 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 storage instrument cathode-ray tube with variable persistence

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 Vg10l2)

    8.5 kV

  • Display area (10 x 8 divisions of [1]

    9 mm

  • Display area (10 x 8 divisions of [2]

    90x72 mm

  • horizontal My

    9.5 V

  • vertical My

    41 V

  • Writing speed

    25 div/µs

  • Useful screen dimensions min

    90x72 mm

  • horizontal min

    90 mm

  • vertical min

    72 mm

  • and vertical directions max

    6 mm

  • Heater current I

    300 mA

  • Heater current Iy

    300 mA

  • Heater current Lgre

    300 mA

  • Net mass approx

    1.1 kg

  • Overall length (socket included) max

    445 mm

  • Face dimensions max

    100x 120 mm

  • | 95 _

    9 s

  • {1} The bulge at the frit seal may increase the indicated maximum dimensions by not more than

    3 mm

  • (2) Minimum length of cable

    420 mm

  • sub-division

    1.8 mm

  • line width

    0.15 mm

  • Fig. 6 Detail of side contact dot diameter

    0.3 mm

  • Deflection coefficient

    9.5 V

  • Mx max

    10.5 V

  • Y max

    4.4 V

  • Line width at the centre of the screen l.w

    0.36 mm

  • Grid drive for [1]

    10 µA

  • Grid drive for [2]

    25 A

  • Collimator voltage Vg7 :?

    0 V

  • First accelerator voltage Vg2'.Vg2" 2?

    40 V

  • capable of supplying

    0.5 mA

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

    10 µA

  • approx

    2.5 div/µs

  • 9. A graticule, consisting of concentric rectangles of [1]

    88 mm

  • 9. A graticule, consisting of concentric rectangles of [2]

    70 mm

  • 9. A graticule, consisting of concentric rectangles of [3]

    86 mm

  • 9. A graticule, consisting of concentric rectangles of [4]

    68.5 mm

  • electrode. The pulse amplitude required is approximately [1]

    9 V

  • electrode. The pulse amplitude required is approximately [2]

    15 V

  • potential for about

    100 ms

  • less than

    300 ms

  • For non-store operation, it is sufficient to make the backing electrode about

    35 V

  • a. Adjust the cathode current of each viewing gun to

    0.4 mA

  • uniformity. This voltage will be approximately

    80 V

Capacitance

  • x1 to all other elements except x9 Cx1(x2)

    6.5 pF

  • x2 to all other elements except x4 Cx2(x1)

    6.5 pF

  • X1 to X2 Cx1x2

    25 pF

  • g1 to all other elements Cg1

    55 pF

  • g1’ to all other elements Cg1'

    55 pF

  • g1 to all other elements Cq1”

    5.5 pF

  • k to all other elements

    4.5 pF

  • g7 to all other elements

    40 pF

  • gg to all other elernents Cgg

    75 pF

Other

  • Final accelerator voltage Vg10l® min

    7000 V

  • max

    2100 A

  • Astigmatism control electrode voltage Vg4 min

    1200 V

  • Focusing electrode voltage Vg3 max

    1000 V

  • Final accelerator voltage Vg1ot® min

    5500 V

  • non-storage operation —Vgg min

    25 V

  • max

    180 A

  • Collector voltage Vgg min

    120 V

  • The current required under typical operating conditions without a mu-metal shield being used is max.

    20 mA

  • means that a current of max [1]

    12.56 mA

  • means that a current of max [2]

    12 V

  • when the coils are connected in series or a

    6 V

  • With L3 and L4 connected in series according to Fig

    11 A