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Specialized - Cathode Ray ·CathodeRay

1300R

Flat-faced 13 cm oscilloscope cathode-ray tube with mesh post-deflection acceleration and an aluminized screen. It is intended for precision wide-band oscilloscopes, combining high accelerating voltage with a display structure optimized for fast instrumentation.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
B12F
Socket code
-
Base pins
12
Nominal heater
6.3 V / 300 mA

Description

A flat-faced oscilloscope tube with a 13 cm faceplate, mesh post-deflection acceleration and aluminized screen, intended for precision wide-band oscilloscopes.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
B12F
Socket code
-
Base pins
12
Nominal heater voltage
6.3 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

B12F - 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 0

Cathode Ray

X-ray radiationInterelectrode capacitances
Max plate voltage
17300 V

Fourth/final anode absolute maximum 17.3 kV.

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 0

Cathode Ray

Other

  • Third Anode Voltage Maximum

    3300 V

  • First Anode Voltage Maximum

    1700 V

  • Typical Final Anode Voltage

    15000 V

    TypicalOperation

  • Typical Third Anode Voltage

    1500 V

    TypicalOperation