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Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Specialized - Cathode Ray ·CathodeRay

AW2111

Eight-and-one-half-inch rectangular portable-television picture tube with electrostatic focusing and approximately 90-degree magnetic deflection, designed for compact direct-view monochrome receiver service.

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

Description

8.5-inch rectangular portable-TV CRT with electrostatic focus and 90-degree deflection.

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
11.5 V
Nominal heater current
-
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
Max plate voltage
16000 V

Published Mullard ratings, characteristics, capacitances, and operating data promoted where applicable; additional electrical values retained as 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

1963 Mullard

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

  • Focusing method

    Electrostatic

  • Deflection method

    Magnetic

  • Deflection angle

    90 deg

  • Heater voltage nominal

    11.5 V

  • Grid cutoff range

    -32 to -69 V

  • Cathode cutoff range

    29 to 62 V

Construction

  • Screen construction

    Metal-backed

Application

  • Application

    Direct-view television / radar display

Other

  • Heater voltage minimum

    9.25 V

  • Heater voltage maximum

    13.8 V

  • Final-anode operating voltage

    12 kV

  • Focus-electrode control range

    0 to 400 V

  • First-anode operating voltage

    400 V

  • Final-anode voltage maximum

    16 kV

  • Final-anode voltage minimum

    8 kV

  • Focus-electrode positive voltage maximum

    1000 V

  • Focus-electrode negative voltage maximum

    -500 V

  • First-anode voltage maximum

    800 V

  • Focus-electrode current maximum

    25 uA

  • First-anode current maximum

    15 uA

  • First-anode resistance maximum

    1 Mohm

  • Focus-electrode resistance maximum

    3 Mohm

Capacitance

  • Grid-to-all capacitance

    7 pF

  • Cathode-to-all capacitance

    4 pF

  • Final-anode-to-coating capacitance

    250 pF