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Specialized - Cathode Ray ·CathodeRay

SC3061P7

Ten-inch three-gun oscilloscope CRT with electrostatic focusing and deflection, P7 phosphor, and independent astigmatism control for simultaneous long-persistence three-trace display.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 1.8 A

Description

10-inch three-gun electrostatic-focus/electrostatic-deflection oscilloscope CRT with P7 phosphor and independent astigmatism control.

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
1.8 A
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
5500 V

Published Sylvania special-purpose CRT ratings, focus/deflection conditions, capacitances, and operating data retained where legible.

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

1965 Sylvania Electronic Tubes Vol3

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

  • Heater voltage

    6.3 V

  • Heater current

    1.8 A

  • Focusing method

    Electrostatic

  • Deflection method

    Electrostatic

  • Deflection-factor uniformity maximum

    1.5 %

Other

  • Maximum principal anode/accelerator voltage

    5500 V

  • Anode voltage maximum

    5500 V

  • Focus-electrode voltage maximum

    3000 V

  • Heater-cathode voltage maximum heater negative

    200 V

  • Heater-cathode voltage maximum heater positive

    200 V

  • Grid1 circuit resistance maximum

    1.5 Mohm

  • Deflection-circuit resistance maximum

    1 Mohm

Application

  • Application

    10-inch three-gun electrostatic-focus/electrostatic-deflection oscilloscope CRT

Construction

  • Gun count

    3

  • Construction

    Monoaccelerator

  • Phosphor

    P7

  • Astigmatism control

    Independent per gun