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Power - TV Horizontal Output (sweep) ·BeamPower

29KQ6

Magnoval beam-power tube designed as a horizontal-deflection amplifier in television receivers.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
40A
Socket code
B9D
Base pins
9
Nominal heater
29 V / 300 mA

Description

Magnoval beam-power tube used as a horizontal-deflection amplifier in television receivers.

Socket description

Magnoval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
40A
Socket code
B9D
Base pins
9
Nominal heater voltage
29 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

40A - 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
Max plate voltage
650 V
Max screen voltage
275 V
Max cathode current
275 mA

Promoted from semantically identified published ratings/characteristics; additional values preserved as section 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

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Heater Voltage 21.5

    29 V

    Published in approved target datasheet entry

  • Heater Current 0.45

    300 mA

    Published in approved target datasheet entry

  • Peak value ±240

    240 V

    Published in approved target datasheet entry

  • Average value ±240

    240 V

    Published in approved target datasheet entry

  • Plate Voltage

    275 V

    Published in approved target datasheet entry

  • Peak Positive-Pulse Plate Voltage*

    6500 V

    Published in approved target datasheet entry

  • Peak Negative-Pulse Plate Voltage*

    1660 V

    Published in approved target datasheet entry

  • Grid-No.3 Voltage

    70 V

    Published in approved target datasheet entry

  • Grid-No.2 Voltage

    275 V

    Published in approved target datasheet entry

  • Peak Negative-Pulse Grid-No.l Voltage

    330 V

    Published in approved target datasheet entry

  • Average Cathode Current

    275 mA

    Published in approved target datasheet entry

  • Grid-No.l-Circuit Resistance

    0.5 Mohm

    Published in approved target datasheet entry

  • Grid-No.l-Circuit Resistance, for horizontal-deflection circuit

    2.2 Mohm

    Published in approved target datasheet entry

Characteristic

  • Plate Voltage 40

    50 V

    Published in approved target datasheet entry

  • Grid-No.3 (Suppressor-Grid) Voltage 0

    0 V

    Published in approved target datasheet entry

  • Grid-No.2 (Screen-Grid) Voltage 135

    200 V

    Published in approved target datasheet entry