6LQ6

Heavy-duty Novar beam-power tube for horizontal-deflection output in color and monochrome televisions, with approximately 30 W plate dissipation and high pulse-current capability.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 9QL
Socket code: B9E
Base pins: 9
Nominal heater: 6.3 V / 2.3 A

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: 9QL
Socket code: B9E
Base pins: 9
Nominal heater voltage: 6.3 V
Nominal heater current: 2.3 A
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

9QL - 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: 5800 Ω
Transconductance: 0.009 S
Amplification factor: 34
Max plate voltage: 990 V
Max screen voltage: 220 V
Max plate dissipation: 30 W
Max screen dissipation: 5 W
Max cathode current: 350 mA

Published promoted values applied where applicable; additional ratings, characteristics, and operating data retained as 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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Maximum Plate Voltage
990 V
Maximum Screen Voltage
220 V
Maximum Plate Dissipation
30 W
Maximum Screen Dissipation
5 W
Maximum Cathode Current
350 mA
Peak Positive Pulse Plate Voltage
7500 V

Characteristic

Plate Resistance
5800 ohm
Transconductance
9000 uS
Amplification Factor
34

Data set 02

1971 RCA HB3 Binder 5 of 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

Pb = 30 W — published value 1
30
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pb = 30 W — published value 2
200
Published datasheet value; multiple values represent separate source-table limits or conditions.
Heater Voltage, ac or do
6.3 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Heater Current
2.5
Published datasheet value; multiple values represent separate source-table limits or conditions.
Transconductance — published value 1
9600
Published datasheet value; multiple values represent separate source-table limits or conditions.
Transconductance — published value 2
7500
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Plate Currerd — published value 1
580 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Plate Currerd — published value 2
130 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Plate Currerd — published value 3
710 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Plate Currerd — published value 4
95 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Clod-No.2 Current Ic2 — published value 1
40 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Clod-No.2 Current Ic2 — published value 2
2.8 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Clod-No.2 Current Ic2 — published value 3
55 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Clod-No.2 Current Ic2 — published value 4
2.4 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
Voltage far Ib =1 mA Ecl(co) -120 — published value 1
-120 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Voltage far Ib =1 mA Ecl(co) -120 — published value 2
-54 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Voltage far Ib =1 mA Ecl(co) -120 — published value 3
-125 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Voltage far Ib =1 mA Ecl(co) -120 — published value 4
-60 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Heater Voltage
6.3 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Voltage — published value 1
5000 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Voltage — published value 2
5000 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Plate Voltage — published value 1
55 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Plate Voltage — published value 2
175 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Plate Voltage — published value 3
60 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Plate Voltage — published value 4
175 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Grid-No.3 Voltage Ec3 — published value 1
30 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Grid-No.3 Voltage Ec3 — published value 2
30 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Grid-No.3 Voltage Ec3 — published value 3
30 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Grid-No.3 Voltage Ec3 — published value 4
30 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Clod-No.2 Voltage Ec2 — published value 1
125 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Clod-No.2 Voltage Ec2 — published value 2
145 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Clod-No.2 Voltage Ec2 — published value 3
145 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Clod-No.2 Voltage Ec2 — published value 4
145 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC Plate Supply Voltage
990 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Peak Positive-Pulse Plate Voltage'"
7500 V
Pulse
Peak Negative-Pulse Plate Voltage
1100 V
Pulse
DC Chid-No.3 Voltage"
75 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC 4id-No.2 (Screen-Grid) Voltage — published value 1
4 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC 4id-No.2 (Screen-Grid) Voltage — published value 2
220 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
(Control-Grid) Voltage
330 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Heater Voltage, ac or do — published value 1
5.7 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Heater Voltage, ac or do — published value 2
6.9 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid-No.2Input
5
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate DissipationP
30
Published datasheet value; multiple values represent separate source-table limits or conditions.
Far grid-No. l-resistcx~iias operation — published value 1
0.47
Published datasheet value; multiple values represent separate source-table limits or conditions.
Far grid-No. l-resistcx~iias operation — published value 2
2
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 1 -Grid No.2
1
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 2 -Grid No.l
2
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 3 -Cathode
3
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 4 -Heater
4
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 5 -Heater
5
Published datasheet value; multiple values represent separate source-table limits or conditions.

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