Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Specialized - Cathode Ray ·CathodeRay

DP1334

Philips oscilloscope CRT for oscillography with electrostatic beam control. Manufacturer documentation covers screen, focusing and deflection, capacitance, sensitivity, and operating characteristics; several variants use flat faces and post-deflection acceleration.

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

Description

DP1334 is a Philips high-sensitivity flat-face post-accelerated oscilloscope CRT. The supplied datasheet provides screen, electrostatic-deflection, capacitance and operating characteristics.

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
6.3 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
Max plate voltage
6000 V

Electrostatic focusing/deflection CRT section; electrical/screen/deflection data retained in parameter rows.

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

    300 mA

    Published heater rating

  • Useful screen diameter

    114 mm

    Minimum

  • Line width

    0.4 mm

    At 3 kV post acceleration

  • Line width

    0.3 mm

    At 4 kV post acceleration

  • Horizontal deflection factor

    0.79 to 0.98 V/mm

    Per kV accelerator voltage

  • Vertical deflection factor

    1.06 to 1.32 V/mm

    Per kV accelerator voltage

Other

  • Focusing-electrode voltage

    200 to 345 V

    OscilloscopeCRT

  • Grid No.1 voltage

    -22.5 to -37.5 V

    OscilloscopeCRT