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Power - TV Horizontal Output (sweep) ·BeamPower

6DQ6A

High-perveance beam-power pentode designed for television horizontal-deflection amplifier service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
6AM
Socket code
IO
Base pins
7
Nominal heater
6.3 V / 1.2 A

Description

The 6DQ6A is a high-perveance beam-power pentode designed for horizontal-deflection amplifier service in television receivers.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
6AM
Socket code
IO
Base pins
7
Nominal heater voltage
6.3 V
Nominal heater current
1.2 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

6AM - Terminal pinout

Electrical assignments shared by every tube using this base designation.

TerminalSectionConnectionEvidence
PIN1Pin 1—NC

May be omitted on some physical base variants

Verified

6AM manufacturer basing; 12DQ6A Tung-Sol, 6BQ6GT Sylvania/Tung-Sol; bottom view

PIN2Pin 2—H — HeaterVerified

6AM manufacturer basing; 12DQ6A Tung-Sol, 6BQ6GT Sylvania/Tung-Sol; bottom view

PIN3Pin 3—NCVerified

6AM manufacturer basing; 12DQ6A Tung-Sol, 6BQ6GT Sylvania/Tung-Sol; bottom view

PIN4Pin 4AG2 — Screen GridVerified

6AM manufacturer basing; 12DQ6A Tung-Sol, 6BQ6GT Sylvania/Tung-Sol; bottom view

PIN5Pin 5AG1 — Control GridVerified

6AM manufacturer basing; 12DQ6A Tung-Sol, 6BQ6GT Sylvania/Tung-Sol; bottom view

PIN7Pin 7—H — HeaterVerified

6AM manufacturer basing; 12DQ6A Tung-Sol, 6BQ6GT Sylvania/Tung-Sol; bottom view

PIN8Pin 8ABP — Beam-Forming PlateGroup AM8Verified

6AM manufacturer basing; 12DQ6A Tung-Sol, 6BQ6GT Sylvania/Tung-Sol; bottom view

PIN8Pin 8AK — CathodeGroup AM8Verified

6AM manufacturer basing; 12DQ6A Tung-Sol, 6BQ6GT Sylvania/Tung-Sol; bottom view

CAP1Top capAP — Plate (Anode)Verified

6AM manufacturer basing; 12DQ6A Tung-Sol, 6BQ6GT Sylvania/Tung-Sol; bottom view

Section ratings

1 physical section, each with unique specifications.

Section 1

Beam Power

X-ray radiationInterelectrode capacitances
Plate resistance
20000 Ω
Transconductance
0.0066 S
Amplification factor
4.5
Max plate voltage
700 V
Max screen voltage
200 V
Max plate dissipation
15 W
Max screen dissipation
3 W
Max cathode current
150 mA

Horizontal-deflection service; 6000 V peak pulse plate rating retained as parameter.

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 Westinghouse Data Book

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Peak positive plate voltage maximum

    6000 V

    Pulse

  • Peak negative pulse plate voltage maximum

    -1000 V

    Pulse

  • Average cathode current maximum

    150 mA

  • Peak cathode current maximum

    500 mA

    Pulse

  • Grid2 dissipation maximum

    3.2 W

  • Typical plate voltage

    250 V

  • Typical grid2 voltage

    150 V

Characteristics

  • Transconductance

    6500 uS

Application

  • Application

    Horizontal-deflection output amplifier

Data set 02

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Capacitance

  • Grid-to-plate capacitance

    0.5 pF

  • Input capacitance

    15 pF

  • Output capacitance

    7 pF

Other

  • Peak positive pulse plate voltage

    6000 V

    TVHorizontalDeflection;Pulse

  • Peak negative pulse plate voltage

    1300 V

    TVHorizontalDeflection;Pulse

  • Peak cathode current

    540 mA

    TVHorizontalDeflection;Pulse

Data set 03

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • HeaterVoltageNominal

    6.3 V

  • HeaterCurrentNominal

    1.2 A

  • Peak Positive Pulse Plate Voltage

    6000 V

    HorizontalDeflection

  • Peak Negative Pulse Plate Voltage

    1375 V

    HorizontalDeflection

  • Peak Cathode Current

    440 mA

    HorizontalDeflection

Characteristic

  • Plate Resistance

    20000 Ohm

  • Transconductance

    6600 uS

Data set 04

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • 6DQ

    6 A

  • Heater voltage .…s VÊ

    6.3 V

  • Plate voltage .… . … Va

    700 V

  • Tension de crête pos1t1ve danode (11m1te absolue)(l) Vacr

    6000 V

  • Tension de crête négative d'anode …… - Vacr

    1375 V

  • Screen-grid voltage . sansaces …. VE

    200 V

  • Tension négative de gulle n° 1 “ …. - VE

    50 V

  • Tension négative de crête de gnlle n° 1 …-Vg,er

    300 V

  • Courant moyen de cathode ...n ÎE

    140 mA

  • Courant de crête de cathode …..….….…...…rremoun IKCT

    440 mA

  • Plate dissipation (2)… Pa

    15 W

  • Tension de crête entre filament et cathode (3) Vfker

    200 V

  • Plate voltage …… Vä 60 150

    250 V

  • Screen-grid voltage....…..….….…..….….. V8 150 150

    150 V

  • Tension de grille ne 1 ... Ve; 0 -22,5

    -22.5 V

  • Résistance interné ……s P

    20 kΩ

  • Transconductance ……s .5

    66 mA/V

  • Courant d' anode … Ia 300(4)

    75 mA

  • Courant de grille n° 2 …. 18 27(4)

    2.4 mA

  • courant d'anode de 1 mA …… Vg,bl Û .i

    -46 V

  • pas dépasser

    100 V

  • Tension d'ANOËE ….…..…ccrrenremeneninenmennnnnnnnnnÜ Va

    375 V

  • Screen-grid voltage . … Ve

    200 V

  • 'Tension de grille n° ! …… … Vg,;

    -30 V

  • Tension d’entrée, creteà crete ; 2Ve cr

    60 V

  • Plate current ……n Ia

    145 mA

  • Courant de grille ne 2 …… R Ig

    10 mA

  • se nn PR

    10 W

  • Screen-grid dissipation (par tube) aucsocacecosacees PE

    1 W

  • Puissance de sortie (sur bobine mobile).….…………….……. Ps

    36 W

Characteristic

  • Capacitance d'Entrée …. reercemensnnnnuu Ce

    15 pF

    InterelectrodeCapacitance