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5DBP1

Five-inch single-beam high-writing-rate oscilloscope CRT with electrostatic focusing and deflection and linear post-acceleration. Designed for fast transient recording and precision waveform display.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: B14A
Base pins: -
Nominal heater: 6.3 V / 300 mA

Description

Five-inch single-beam high-writing-rate CRT with electrostatic focus/deflection and linear post-acceleration.

Socket description

Large readout/Nixie 14-contact base, 44.5 mm pin circle

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: B14A
Base pins: -
Nominal heater voltage: 6.3 V
Nominal heater current: 300 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: 8000 V

Published DuMont/RMA/JEDEC ratings and characteristics promoted where applicable; additional display or photomultiplier data 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

1960 Du Mont

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

Focusing method
Electrostatic
Deflection method
Electrostatic

Application

Application
Oscillographic / instrumentation display

Other

Post-accelerator voltage maximum
8000 V

Construction

Minimum useful screen diameter
4.25 in