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Power - TV Horizontal Output (sweep) ·BeamPower

26LX6

Duodecar beam-power tube designed as a horizontal-deflection amplifier in color and black-and-white television receivers.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
E12-74
Socket code
B12C
Base pins
12
Nominal heater
26 V / 600 mA

Description

Duodecar beam-power tube used as a horizontal-deflection amplifier in color and black-and-white television receivers.

Socket description

Duodecar 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
E12-74
Socket code
B12C
Base pins
12
Nominal heater voltage
26 V
Nominal heater current
600 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

E12-74 - 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

Beam Power

X-ray radiationInterelectrode capacitances
Plate resistance
6000 Ω
Transconductance
0.014 S
Amplification factor
4
Max plate voltage
700 V
Max screen voltage
250 V
Max plate dissipation
33 W
Max screen dissipation
5 W
Max cathode current
400 mA

Horizontal-deflection service; peak positive pulse plate rating promoted.

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 1

Beam Power

Other

  • DC Plate-Supply Voltage

    990 V

    HorizontalDeflection

  • Peak Cathode Current

    1400 mA

    HorizontalDeflection

Characteristic

  • Plate Current

    125 mA

    AverageCharacteristics

  • Screen Current

    3.3 mA

    AverageCharacteristics

Data set 02

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

  • Plate Voltage 175 5000 45

    175 V

    Published in approved target datasheet entry

  • Grid-No. 2 (Screen-Grid) Voltage 175 110 160

    110 V

    Published in approved target datasheet entry

  • Grid-No. 1 (Control-Grid) Voltage -21 0

    -21 V

    Published in approved target datasheet entry

  • Plate Resistance (Approx.)

    6000 ohm

    Published in approved target datasheet entry

  • Trans conductance

    14000 µS

    Published in approved target datasheet entry

  • Plate Current llOOt

    125 mA

    Published in approved target datasheet entry

  • Grid-No. 2 Current 11CJ

    3.3 mA

    Published in approved target datasheet entry

  • current of

    1 mA

    Published in approved target datasheet entry

  • current of 1 mA

    -125 V

    Published in approved target datasheet entry

Other

  • DC Plate Supply Voltage

    990 V

    Published in approved target datasheet entry

  • Peak Positive Pulse Plate Voltage# (Absolute Maximum Value)

    7000 V

    Published in approved target datasheet entry

  • Peak Negative-Pulse Plate Voltage

    100 V

    Published in approved target datasheet entry

  • Grid-No. 3 Voltage, Positive-bias value

    0 V

    Published in approved target datasheet entry

  • Grid-No. 2 Voltage

    250 V

    Published in approved target datasheet entry

  • Peak Negative Grid-No. 1 Voltage

    250 V

    Published in approved target datasheet entry

  • Peak Cathode Current

    1400 mA

    Published in approved target datasheet entry

  • Average Cathode Current

    400 mA

    Published in approved target datasheet entry

  • Plate Dissipation' (Absolute Maximum Value)

    33 W

    Published in approved target datasheet entry

  • Grid-No. 2 Input

    5 W

    Published in approved target datasheet entry

  • With feedback-type high voltage regulation

    1.2 Mohm

    Published in approved target datasheet entry

  • With shunt-type high voltage regulation (switching mode)

    2.2 Mohm

    Published in approved target datasheet entry

  • Grid-No.3-Circuit Resistance

    0 ohm

    Published in approved target datasheet entry

  • Peak Positive Pulse Plate Voltage 5000 G

    0 V

    Published in approved target datasheet entry

  • — 190

    -210 V

    Published in approved target datasheet entry

  • of

    200 V

    Published in approved target datasheet entry

  • of 200 volts — 210

    -235 V

    Published in approved target datasheet entry