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9GP7

Nine-inch radar-style cathode-ray display tube with magnetic focusing and deflection, P7 long-persistence phosphor, and approximately 55-degree maximum deflection for retained trace presentation.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: 5AN
Socket code: -
Base pins: 8
Nominal heater: 6.3 V / 600 mA

Description

The 9GP7 is a magnetic-focus, magnetic-deflection cathode-ray tube with a P7 phosphor and a maximum solid deflecting angle of 55 degrees.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 5AN
Socket code: -
Base pins: 8
Nominal heater voltage: 6.3 V
Nominal heater current: 600 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

5AN - 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.

Cathode-ray section; CRT high-voltage and accelerating-electrode ratings preserved 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

HighVoltageElectrodeMax
7700 V
Grid2VoltageMax
330 V
HighVoltageElectrodeTypicalLow
4000 V
HighVoltageElectrodeTypicalHigh
7000 V
Heater Voltage a-c
6.3 V
Typical Operatlon Maximum Ratings
Heater Current
600 mA
Typical Operatlon Maximum Ratings
High Voltage Electrode 4000 7000
7700 V
Typical Operatlon Maximum Ratings
Grid No 2 (Acce eratlng Electrode) 250 250
330 V
Typical Operatlon Maximum Ratings
D-c Heater-Cathode Potential #
-125 V
Typical Operatlon Maximum Ratings
Grid Circuit Resistance
1.5 MOhm
Typical Operatlon Maximum Ratings