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Power - TV Horizontal Output (sweep) ·BeamPower

24LQ6

Novar beam-power pentode designed for color-television horizontal-deflection amplifier service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
E9-88
Socket code
B9E
Base pins
9
Nominal heater
24 V / 600 mA

Description

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

Socket description

Novar 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
E9-88
Socket code
B9E
Base pins
9
Nominal heater voltage
24 V
Nominal heater current
600 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

E9-88 - 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
7000 Ω
Transconductance
0.0075 S
Amplification factor
28
Max plate voltage
750 V
Max screen voltage
220 V
Max plate dissipation
30 W
Max screen dissipation
5 W
Max cathode current
350 mA

Peak positive pulse plate rating promoted; ordinary characteristic set uses published 175-V plate / 145-V screen condition.

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

  • Temporary Overload Plate Dissipation

    200 W

    40Seconds

Characteristic

  • Plate Current

    95 mA

    AverageCharacteristics

  • Screen Current

    2.4 mA

    AverageCharacteristics

Data set 02

1971 RCA HB3 Binder 5 of 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

  • Heater voltage

    24 V

    Nominal heater rating from supplied sheet

  • Heater current

    450 mA

    Nominal heater rating from supplied sheet

  • Transconductance

    0.0075 A/V

    InheritedFromExplicitParent 6LQ6

  • Plate resistance

    7000 ohm

    ExactParentElectricalData 6LQ6/6JE6C

  • Transconductance

    7500 uS

    ExactParentElectricalData 6LQ6/6JE6C

Other

  • Maximum plate voltage

    5000 V

    InheritedFromExplicitParent 6LQ6

  • Maximum screen voltage

    220 V

    InheritedFromExplicitParent 6LQ6

  • Maximum plate dissipation

    30 W

    InheritedFromExplicitParent 6LQ6

  • Maximum plate voltage

    990 V

    ExactParentElectricalData 6LQ6/6JE6C

  • Maximum screen-grid voltage

    190 V

    ExactParentElectricalData 6LQ6/6JE6C

  • Maximum plate dissipation

    30 W

    ExactParentElectricalData 6LQ6/6JE6C

  • Maximum screen-grid dissipation

    3.2 W

    ExactParentElectricalData 6LQ6/6JE6C

Data set 03

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • For plate dissipation more than

    1.2 W

    Published in approved 31LQ6 target datasheet entry; Section1

  • For plate dissipation more than 1.2 watts

    0.5 W

    Published in approved 31LQ6 target datasheet entry; Section1

  • For plate dissipation less than 1.2 watte

    0.75 W

    Published in approved 31LQ6 target datasheet entry; Section1

  • For fixed-bias operation 0.5

    0.5 MΩ

    Published in approved 31LQ6 target datasheet entry; Section1

  • For cathode-bias operation 0.5

    1 MΩ

    Published in approved 31LQ6 target datasheet entry; Section1

  • Heater Current 6.3 24

    31 V

    Published in approved 31LQ6 target datasheet entry; Section1

  • Heater Warm-up Time 2.3 0.6

    450 mA

    Published in approved 31LQ6 target datasheet entry; Section1

  • Heater-Cathode Voltage 11

    11 seconds

    Published in approved 31LQ6 target datasheet entry; Section1

  • of

    1 mA

    Published in approved 31LQ6 target datasheet entry; Section1

  • Plate Supply Voltage

    990 V

    Published in approved 31LQ6 target datasheet entry; Section1

  • Peak Positive-Pulse Plate Voltage#

    7500 V

    Published in approved 31LQ6 target datasheet entry; Section1

  • Peak Negative-Pulse Plate Voltage

    1100 V

    Published in approved 31LQ6 target datasheet entry; Section1

  • Grid-No.3 Voltage"

    75 V

    Published in approved 31LQ6 target datasheet entry; Section1

  • Grid-No.2 Voltage

    220 V

    Published in approved 31LQ6 target datasheet entry; Section1

  • Peak Negative-Pulse Grid-No.l Voltage

    330 V

    Published in approved 31LQ6 target datasheet entry; Section1

  • Peak Cathode Current

    1200 mA

    Published in approved 31LQ6 target datasheet entry; Section1

  • Average Cathode Current

    350 mA

    Published in approved 31LQ6 target datasheet entry; Section1

  • Plate DissipationO

    30 W

    Published in approved 31LQ6 target datasheet entry; Section1

  • Plate Dissipation (Temporary overload)*

    200 W

    Published in approved 31LQ6 target datasheet entry; Section1

  • Grid-No.2 Input

    5 W

    Published in approved 31LQ6 target datasheet entry; Section1

  • Envelope Temperature (At hottest point)

    250 °C

    Published in approved 31LQ6 target datasheet entry; Section1

  • For grid-No. 1-resistor-bias operation

    0.47 MΩ

    Published in approved 31LQ6 target datasheet entry; Section1

  • For plate-pulsed operation (horizontal-deflection circuits only)

    10 MΩ

    Published in approved 31LQ6 target datasheet entry; Section1

  • # Pulse duration must not exceed 15% of a horizontal scanning cycle (

    10 microseconds

    Published in approved 31LQ6 target datasheet entry; Section1

  • "snivels" interference in both vhf and uhf television receivers. A typical value is

    30 V

    Published in approved 31LQ6 target datasheet entry; Section1

  • A Total continuous or accumulated time not to exceed

    40 seconds

    Published in approved 31LQ6 target datasheet entry; Section1

  • Heater Voltage

    6.3 V

    Published in approved 31LQ6 target datasheet entry; Section1

  • Heater Current

    900 mA

    Published in approved 31LQ6 target datasheet entry; Section1

Capacitance

  • Grid No.l to Plate

    0.6 pF

    Published in approved 31LQ6 target datasheet entry; Section1

  • and Grid No.3

    22 pF

    Published in approved 31LQ6 target datasheet entry; Section1

  • and Grid No.3

    11 pF

    Published in approved 31LQ6 target datasheet entry; Section1

  • Grid to Plate 2.8 2.8

    2.8 pF

    Published in approved 31LQ6 target datasheet entry; Section1

  • Grid to Cathode and Heater 2.9 2.9

    3 pF

    Published in approved 31LQ6 target datasheet entry; Section1

  • Plate to Cathode and Heater 0.36 0.6

    0.7 pF

    Published in approved 31LQ6 target datasheet entry; Section1

Characteristic

  • Plate Voltage

    176 V

    Published in approved 31LQ6 target datasheet entry; Section1

  • Voltage 30 30

    30 V

    Published in approved 31LQ6 target datasheet entry; Section1

  • Grid-No.2 (Screen-Grid) Voltage 145 145 145

    145 V

    Published in approved 31LQ6 target datasheet entry; Section1

  • Grid-No.l (Control-Grid) Voltage -35 0

    -35 V

    Published in approved 31LQ6 target datasheet entry; Section1

  • Plate Resistance (Approx.)

    7000 Ω

    Published in approved 31LQ6 target datasheet entry; Section1

  • Plate Current

    95 mA

    Published in approved 31LQ6 target datasheet entry; Section1