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Specialized - Cathode Ray ·CathodeRay

4491

Oscillograph cathode-ray tube for waveform and instrumentation display with high-voltage post-deflection acceleration. Its focusing and deflection system is designed to produce bright, precise traces for measurement equipment.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
12
Nominal heater
6.9 V / 600 mA

Description

Oscillograph cathode-ray tube for waveform and instrumentation display. The supplied datasheet was used for heater data, electrode ratings, focus and deflection information, capacitances, screen/phosphor characteristics, and applicable operating limits.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
12
Nominal heater voltage
6.9 V
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.

CRT-specific electrode voltages, deflection factors, capacitances, focus/cutoff data, and other published electrical values are stored as section parameters because the promoted section columns are primarily conventional valve fields.

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

1971 RCA HB3 Binder 1 of 7

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

  • 8-INCH DIAMETER

    8

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Heater Current at 6.3 V — published value 1

    6.3

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Heater Current at 6.3 V — published value 2

    0.6

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Pi n — published value 1

    3

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Pi n — published value 2

    1

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Pi n — published value 3

    5

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Pin 4 -No Connection -Go Not Use

    4

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Pin 5 -Grid No.3

    5

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Pin 9 -Anode (Grids No.2 & No.4)DONor

    9

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Pin 14 -Heater — published value 1

    14

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Pin 14 -Heater — published value 2

    14

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Post-Deflection Accelerator Voltage

    6000 V

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Anode Voltage

    3000 V

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Grid-No.3 (Focusing-Electrode) Voltage — published value 1

    750 V

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Grid-No.3 (Focusing-Electrode) Voltage — published value 2

    1200 V

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Grid-No.l Voltage — published value 1

    -58 V

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Grid-No.l Voltage — published value 2

    -93 V

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

Other

  • Post-Deflection Accelerator Voltage

    8000 V

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Anode Voltage

    4000 V

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Grid-No.3 (Focusing-Electrode) Voltage

    2000 V

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Heater Voltage

    6.9 V

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Heater negative with respect to cathode

    125 mA

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Heater positive with respect to cathode

    125 mA

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Grid-No. l-Circuit Resistance

    1.5 mA

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

  • Resistance in any Deflection Electrode Circuits

    5 mA

    Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.