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Specialized - Cathode Ray ·CathodeRay

700E

Instrument cathode-ray tube with a 2 × 1 inch rectangular face, electrostatic focusing and deflection, low deflector-plate current, and high brightness, especially suited to banked digital-information displays.

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

Description

The 700E is an instrument cathode-ray tube with a 2 x 1 inch rectangular face, electrostatic focus and deflection, low deflector-plate current, and high brightness, especially useful in banks for digital-information display.

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
300 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.

CRT-specific focus/anode/deflection ratings do not map to ordinary plate fields; preserved as parameters after visual page inspection.

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

  • Focus Voltage

    - to 1 kV

  • First and Third Anode Voltage

    1.5 to 2.5 kV

  • Negative Grid Voltage

    0 to 200 V

  • X Deflector Plate Peak Voltage

    500 V

  • Y Deflector Plate Peak Voltage

    500 V

  • Heater-Cathode Voltage

    180 V

  • First and Third Anode Voltage

    2 kV

    CharacterGeneration

  • Second Anode Voltage

    60 V

    CharacterGeneration

Characteristic

  • Maximum X Deflection Factor

    46 V/cm

  • Maximum Y Deflection Factor

    107.2 V/cm