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Tube Tinker — Electron Tube Database
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Specialized - Cathode Ray ·CathodeRay

A1769GM

Seventeen-centimeter rectangular aluminized P4 picture tube for industrial television, using a tetrode electron gun with Einzel electrostatic focusing and approximately 70-degree magnetic deflection.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
DUODECAL7
Base pins
-
Nominal heater
6.3 V / 360 mA

Description

17 cm rectangular picture tube, aluminized Electron Gun Tetrode with Einzel- screen, for industrial television Lens Deflection Method Magnetic Deflection Angles Diagonal 70° Screen Phosphor P4 Alu-

Socket description

Duodecal 7-contact CRT base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
DUODECAL7
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
360 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 section. Maximum ratings, operating conditions, capacitances, optical and mechanical values are preserved as parameters where published.

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

1976 ITT Picture Tubes

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Published value

    17 cm

  • Neck Diameter

    365 mm

  • Minimum Useful 96 %

    126 mm

  • Dimensions Diagonal

    1556 mm

  • Overall Length 256 *

    10 mm

  • 1. Generalities Weight

    7 kg

  • A 17-63BE Blue Medium Short 10=...

    103 s

  • A 17-69 GM Purplish-Blue . Long B 16t...

    1 s

  • A 17--69LF Orange Long

    107 to 1 s

  • 2. Typical Operating Conditions Ri/k max @)

    1 MQ

  • U; ®

    63 V

  • U; ® 63V Ziik max @ (2)

    1 MQ

  • i

    3 %

  • i 03% (2)

    6 %

  • i 03%6%A U-tkm1 @ @ (3)

    410 V

  • Published value

    14 kV

  • 14 kV U_thkmax2 @ @ (2)

    0 V

  • Ug 300

    400 V

  • Ug 300 400V U_th p max (2)

    300 V

  • Ut ® 0...400

    0 to 400 V

  • Ut ® 0...400 0...400V U ik max (2)

    185 V

  • (-Ug1) cutoi @ 35...75

    28 to 102 V

  • e Rg1 min_ e

    150 ohm

  • Ugagsa imin &

    12 kV

CircuitDesignRatings

  • U92 max

    460 V

  • Ug2 min i

    200 V

Capacitance

  • {-Uq1) b max

    400 V

  • {-Uq1) b max 400 V Cgl _approx. (2)

    7 pF

  • Plm max

    10 mW/cm

  • Plm max 10 mW/cm? Ck approx. (2)

    5 pF

  • Rl max

    1 MQ

  • Rl max 1,0 MQ Ciifatelu ik (2)

    400 pF

  • Published value

    0.5 MQ