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Specialized - Cathode Ray ·CathodeRay

7BLP7

Seven-inch flat-faced dual-beam CRT with electrostatic focusing and deflection, post acceleration, aluminized P7 long-persistence screen, and suitability for radar and oscillographic applications.

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

Description

7-inch flat-faced dual-beam cathode-ray tube with electrostatic focus and deflection, post acceleration, long persistence, and aluminized screen for radar and oscillographic applications.

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
600 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.

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

  • Heatf}r VOl'LE‘ T2 e © & 0o e & ©°o B & € & & # & e & ® & w @+ & v w w -6

    -3 V

    Published datasheet line; semantic text-layer recovery

  • Over-all Length - > - » - . [ -] - 3 o - - -* - - L] - . - . 21 + 3/

    8 in

    Published datasheet line; semantic text-layer recovery

  • Greatest Bulb Diameters « « o s « v o o = s 5 ¢ s « s & . 7 % 1/

    16 in

    Published datasheet line; semantic text-layer recovery

  • Minimum Useful Screen Diametere. « « « = + o« s ¢ o o o » « » +6-1/

    8 in

    Published datasheet line; semantic text-layer recovery

  • Post-Accelerator Contact Aligns with Trace of D1-D2 +

    10 deg

    Published datasheet line; semantic text-layer recovery

  • D1-D2 Trace Aligns with Pin No. 12 and Tube Axis +

    10 deg

    Published datasheet line; semantic text-layer recovery

  • Angle between D3-D4 and D1-D2 Traces « + « + « « « » « « « » 290 +

    1 deg

    Published datasheet line; semantic text-layer recovery

  • Post-Accelerator Voltage . o Ld 4 » - L ° L] - e e « « o o«

    6000 V

    Published datasheet line; semantic text-layer recovery

  • Anode Voltage « o « + « & . ¢ e e« o » & ©° @ e o o + s »

    3000 V

    Published datasheet line; semantic text-layer recovery

  • Focusing-Elecirode Voltage s e B & » & = s & . « 800 to

    1150 V

    Published datasheet line; semantic text-layer recovery

  • Dl and D2 v ¢ o o 6 s o @ o 70 to

    92 V

    Published datasheet line; semantic text-layer recovery

  • DBandDl#a....... . 64 to B

    2 V

    Published datasheet line; semantic text-layer recovery

  • +D2 direction

    1.5 in

    Published datasheet line; semantic text-layer recovery

  • +D3 direction

    2 in

    Published datasheet line; semantic text-layer recovery

  • +D4 direction

    2 in

    Published datasheet line; semantic text-layer recovery

  • +D1 direction

    1.5 in

    Published datasheet line; semantic text-layer recovery

  • +D3 direction

    2 in

    Published datasheet line; semantic text-layer recovery

  • +D4 direction

    2 in

    Published datasheet line; semantic text-layer recovery