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Specialized - Cathode Ray ·CathodeRay

DB1094

Philips flat-face post-deflection-acceleration cathode-ray oscilloscope tube for oscillography, using electrostatic beam control. Manufacturer documentation provides screen, focusing and deflection, capacitance, sensitivity, rating, and operating data where published.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B12F
Base pins
-
Nominal heater
6.3 V / 550 mA

Description

DB1094 is a Philips direct-view flat-face oscilloscope CRT with post-deflection acceleration. The supplied datasheet provides electrostatic-deflection, focusing, acceleration, screen and operating characteristics.

Socket description

All-glass CRT 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B12F
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
550 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.

Electrostatic deflection, accelerator/focus/grid voltages, sensitivities and limiting values reviewed.

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 Philips Electron Tubes Handbook V2

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristic

  • Heater voltage

    6.3 V

    Published heater rating

  • Heater current

    550 mA

    Published heater rating

  • Horizontal sensitivity

    0.435 mm/V

    OscilloscopeCRT

  • Vertical sensitivity

    0.27 mm/V

    OscilloscopeCRT

Other

  • Post-accelerator voltage

    4000 V

    OscilloscopeCRT

  • Accelerator voltage

    2000 V

    OscilloscopeCRT

  • Focusing-electrode voltage

    460 to 530 V

    OscilloscopeCRT

  • Grid No.1 voltage

    -28 to -60 V

    OscilloscopeCRT

  • Minimum post-accelerator voltage

    1000 V

    OscilloscopeCRT

  • Maximum second-accelerator voltage

    5000 V

    OscilloscopeCRT

Data set 02

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Accelerator voltage

    2000 V