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Specialized - Cathode Ray ·CathodeRay

7BHP1

Seven-inch P1 cathode-ray instrument tube for oscillographic or measurement display, with manufacturer-specified focusing, deflection, accelerating-voltage, and phosphor characteristics.

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

Description

5-1/2-inch square dual-beam cathode-ray tube with electrostatic focus and deflection, spiral acceleration, improved deflection sensitivity, and an aluminized screen.

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
6.3 A
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.

Promoted fields mapped by printed headings; additional data retained in parameters.

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

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    32 in

    Published datasheet line; semantic text-layer recovery

  • WidthandHeightooooucnoooocooo 5«1/2 + 1/

    16 in

    Published datasheet line; semantic text-layer recovery

  • Minimum Useful Screen Dimensions (along tube axis) + o« o 41/

    2 in

    Published datasheet line; semantic text-layer recovery

  • each aligns with the D3D4 trace » « « s« « « « « « « «+

    10 deg

    Published datasheet line; semantic text-layer recovery

  • Bulb Contact aligns with D3D4 trace « « « « ¢« ¢ = ¢« - « « +

    10 deg

    Published datasheet line; semantic text-layer recovery

  • D1D2 trace aligns with D3D4 trace « « v o ¢« = o« » ¢ « » 290 +

    1 deg

    Published datasheet line; semantic text-layer recovery

  • Corresponding traces of each gun align within « « « « + « . «

    1 deg

    Published datasheet line; semantic text-layer recovery

  • D1D2 trace aligns with bulb wall within « « « + « ¢« = « « + o

    2 deg

    Published datasheet line; semantic text-layer recovery

  • Post Accelerator Voltage o « « « o o o 2 ¢ o & « o e & 9

    7500 V

    Published datasheet line; semantic text-layer recovery

  • Focusing Electrode Volltage: « « ¢ ¢ = o o « o . U460 to

    775 V

    Published datasheet line; semantic text-layer recovery

  • Modlllation #. o . °© a L] - - -3 & L} -3 L] o o o L4 L] « o+« + o o

    16 V

    Published datasheet line; semantic text-layer recovery

  • DL and D2 & = o o & « « « 60 to

    83 V

    Published datasheet line; semantic text-layer recovery

  • DBar].qu’acona « o - 48 to

    70 V

    Published datasheet line; semantic text-layer recovery

  • and deflected horizontally +

    2 in

    Published datasheet line; semantic text-layer recovery