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Specialized - Cathode Ray ·CathodeRay

1DP1

Miniature cathode-ray tube with electrostatic focusing and electrostatic deflection, designed for built-in visual monitoring. Its compact one-inch display format suits small instrumentation where a local trace or indication is required.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 215 mA

Description

Miniature electrostatic-focus and electrostatic-deflection cathode-ray tube for built-in visual monitoring.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B9A
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
215 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.

Values promoted only where clearly published for this section in the approved source.

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

1938 National Union

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Cathode-Ray tube in a T6% bulb with a

    9 in

    Published source value; see source line context.

  • Published value

    1 watts

    Published source value; see source line context.

  • Heater voltage (ac or de)....ovviii e,

    6.3 v

    Published source value; see source line context.

  • Grid voltage (cut off).......c.iiverierinenennns

    -40 v

    Published source value; see source line context.

  • Deflection potential @

    0 v

    Published source value; see source line context.

  • ANOe Lo .t e ettt

    300 v

    Published source value; see source line context.

  • ANOde

    2 v

    Published source value; see source line context.

  • Grid resistor....c.cuiiiuviiiniiiinninennnnnaronne

    2 meg

    Published source value; see source line context.

  • Deflection resistor.....uveveeninernereeieereennns

    2 meg

    Published source value; see source line context.

  • Heater voltage (ac or de)..vvvvnniiniiieeennens

    6.3 v

    Published source value; see source line context.

  • Line width. ... ..ottt it iinnnens

    0.25 mm

    Published source value; see source line context.

  • Light output

    4 lamberts

    Published source value; see source line context.

  • Grid cutoff voltage.......... ... .. iiiinvenninn,

    -40 v

    Published source value; see source line context.

  • A2 voltage. .ot i e it e e,

    600 v

    Published source value; see source line context.

  • Al volfage. ... .vverer ittt ittt

    150 v

    Published source value; see source line context.

  • Deflection factor m D1-D2

    280 in

    Published source value; see source line context.

  • Deflection factor m D3-D4. .. ... .iviiiinnennnas

    280 in

    Published source value; see source line context.

  • Published value

    4 ua

    Published source value; see source line context.

  • a deflection signal of about +

    110 v

    Published source value; see source line context.

  • '_ and defiected miniature Cathode-Ray tubes in T6

    3 in

    Published source value; see source line context.

  • sumption (less than |

    4 watts

    Published source value; see source line context.

  • i Grid voltage ........ e e e e

    -100 v

    Published source value; see source line context.

  • Deflection potential @ .................ccevunnn

    400 v

    Published source value; see source line context.

  • Anode ... ...oottt e

    300 v

    Published source value; see source line context.

  • Anode

    2 v

    Published source value; see source line context.

  • — Grid resistor.......ciiiiiiivineiinrneinnainnsen,

    2 meg

    Published source value; see source line context.

  • Deflection resistor.......viviieiinneneenneennns

    2 meg

    Published source value; see source line context.

  • Heater voltage (ac or de)...ouu..ns setetrsitacane

    6.3 v

    Published source value; see source line context.

  • Line width. ..o iviir i i i et ciniee e

    0.25 mm

    Published source value; see source line context.

  • Grid cutoff voltage......iiviiiiinirrnrnnsnennnes

    -40 v

    Published source value; see source line context.

  • A2 voltape. . oo et iinnnveiinvnvatrnaarnosnnans

    600 v

    Published source value; see source line context.

  • Al voltage. o v ienieiinenenninernernionsanennens

    150 v

    Published source value; see source line context.

  • Deflection factor ® DI-D2......ccivrannuersn veve

    350 in

    Published source value; see source line context.

  • ) Deflection factor = D3-D4..... Ceveesasesunienne

    300 in

    Published source value; see source line context.

  • a deflection signal of about *

    110 v

    Published source value; see source line context.

Characteristic

  • Gl to all other elements..........ovvvveennennns

    4 uuf

    Published source value; see source line context.

  • K to all other elements...........covvvvnvennsn

    2 ppf

    Published source value; see source line context.

  • Heater current. . .....c.iviuneennniieerninsnenenes

    215 ma

    Published source value; see source line context.

  • — Cathode current......c.iiiiiiiiiiinnnnnennnnnnes

    1000 v

    Published source value; see source line context.

  • Heater current. . v.eiieiceeneetinasiesancsannonss

    215 ma

    Published source value; see source line context.