6JB6A

Novar beam-power tube designed for high-efficiency television horizontal-deflection amplification.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 9QL
Socket code: B9E
Base pins: 9
Nominal heater: 6.3 V / 1.2 A

Description

Novar beam-power tube used as a high-efficiency horizontal-deflection amplifier in 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: 1.2 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: 15000 Ω
Transconductance: 0.0071 S
Amplification factor: 4.4
Max plate voltage: 330 V
Max screen voltage: 150 V
Max plate dissipation: 17.5 W
Max screen dissipation: 3.5 W
Max cathode current: 550 mA

Published ratings/characteristics promoted from supplied datasheet.

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

1971 RCA HB3 Binder 5 of 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Voltage (AC or DC)
6.3 V
Published table value column 1
Voltage (AC or DC)
0.6 V
Published table value column 2
Current at heater volts =
6.3 V
Published table value column 1
Current at heater volts =
1.2 V
Published table value column 2
respect to cathode
200 V
Published table value
Grid No.l to plate
0.2 pF
Published table value
Input: G
15 K
Published table value
Output: P to (K+G
6 K
Published table value
Plate Voltage
150 V
Published table value column 1
Plate Voltage
60 V
Published table value column 2
Plate Voltage
250 V
Published table value column 3
Grid-No
2 V
Published table value column 1
Grid-No
150 V
Published table value column 2
Grid-No
150 V
Published table value column 3
Grid-No
150 V
Published table value column 4
Grid-No.l Voltage
-22.5 V
Published table value column 1
Grid-No.l Voltage
0 V
Published table value column 2
Grid-No.l Voltage
-22.5 V
Published table value column 3
Plate Current
390 mA
Published table value column 1
Plate Current
70 mA
Published table value column 2
Grid-No
2 mA
Published table value column 1
Grid-No
32 mA
Published table value column 2
Grid-No
2.1 mA
Published table value column 3
for plate current =
1 mA
Published table value column 1
for plate current =
-42 mA
Published table value column 2
DC Plate-Supply Voltage
770 V
Published table value
Peak. Positive-Pulse Plate Voltagef
6500 V
Published table value
Peak Negative-Pulse Plate Voltage
1500 V
Published table value
DC Grid-No
3 V
Published table value column 1
DC Grid-No
70 V
Published table value column 2
DC Grid-No
2 V
Published table value column 1
DC Grid-No
220 V
Published table value column 2
DC Grid-No
1 V
Published table value column 1
DC Grid-No
-55 V
Published table value column 2
Peak Negative-Pulse Grid-No
1 V
Published table value column 1
Peak Negative-Pulse Grid-No
330 V
Published table value column 2
Grid-No
2 W
Published table value column 1
Grid-No
3.5 W
Published table value column 2
Plate Dissipationg
17.5 mA
Published table value
For grid-resistor bias operationt
1 MΩ
Published table value
value for this voltage is
30 V
Published table value
GRID—No
2 VOLTS
Published table value column 1
GRID—No
150 VOLTS
Published table value column 2

Characteristics

Plate Resistance (Approx.)
15000 Ω
Published table value
Transconductance
7100 µS
Published table value

Data set 02

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

For fixed-bias operation
1 MΩ
Published in approved 17JB6A target datasheet entry; Section1
For cathode-bias operation
2.2 MΩ
Published in approved 17JB6A target datasheet entry; Section1
# Pulse duration must not exceed 15% of a vertical scanning cycle (
2.5 milliseconds
Published in approved 17JB6A target datasheet entry; Section1
Heater Voltage (ac/dc) 6.3 12.6
16.8 V
Published in approved 17JB6A target datasheet entry; Section1
Heater Current 1.2 0.6
450 mA
Published in approved 17JB6A target datasheet entry; Section1
Heater Warm-up Time (Average) 11
11 seconds
Published in approved 17JB6A target datasheet entry; Section1
Grid No.l to Plate
0.2 pF
Published in approved 17JB6A target datasheet entry; Section1
and Grid No.3
15 pF
Published in approved 17JB6A target datasheet entry; Section1
DC Plate Supply Voltage
770 V
Published in approved 17JB6A target datasheet entry; Section1
Peak Positive-Pulse Plate Voltage#
6500 V
Published in approved 17JB6A target datasheet entry; Section1
Peak Negative-Pulse Plate Voltage
1500 V
Published in approved 17JB6A target datasheet entry; Section1
DC Grid-No.3 Voltagef
70 V
Published in approved 17JB6A target datasheet entry; Section1
DC Grid-No.2 Voltage
220 V
Published in approved 17JB6A target datasheet entry; Section1
DC Grid-No.l Voltage
55 V
Published in approved 17JB6A target datasheet entry; Section1
Peak Negative-Pulse Grid-No.l Voltage
330 V
Published in approved 17JB6A target datasheet entry; Section1
Peak Cathode Current
550 mA
Published in approved 17JB6A target datasheet entry; Section1
Grid-No.2 Input
3.5 W
Published in approved 17JB6A target datasheet entry; Section1
Bulb Temperature (At hottest point)
240 °C
Published in approved 17JB6A target datasheet entry; Section1
Grid-No.l-Circuit Resistance, for grid-resistor-bias operation
1 MΩ
Published in approved 17JB6A target datasheet entry; Section1
# Pulse duration must not exceed 15% of a horizontal scanning cycle (
10 microseconds
Published in approved 17JB6A target datasheet entry; Section1
"snivets" interference in both vhf and uhf television receivers. A typical value is
30 V
Published in approved 17JB6A target datasheet entry; Section1
GRID - No
2 V
Published in approved 17JB6A target datasheet entry; Section1
Heater Voltage (ac/dc) 3.5 4.5
6.3 V
Published in approved 17JB6A target datasheet entry; Section1
Heater Current 0.6 0.45
300 mA
Published in approved 17JB6A target datasheet entry; Section1
Plate Voltage 330
330 V
Published in approved 17JB6A target datasheet entry; Section1
Grid-No.3 (Suppressor-Grid) Voltage, Positive value 0
0 V
Published in approved 17JB6A target datasheet entry; Section1
Grid-No.2 (Screen-Grid) Supply Voltage 330
330 V
Published in approved 17JB6A target datasheet entry; Section1

Characteristic

Plate Voltage 150 60
150 V
Published in approved 17JB6A target datasheet entry; Section1
Grid-No.2 (Screen-Grid) Voltage — 150
150 V
Published in approved 17JB6A target datasheet entry; Section1
Grid-No.l (Control-Grid) Voltage —22.5 0
-22.5 V
Published in approved 17JB6A target datasheet entry; Section1
Plate Resistance (Approx.)
15000 Ω
Published in approved 17JB6A target datasheet entry; Section1
Plate Current 390"
70 mA
Published in approved 17JB6A target datasheet entry; Section1
— 32"
2.1 mA
Published in approved 17JB6A target datasheet entry; Section1
Grid-No.l Voltage for plate current of
1 mA
Published in approved 17JB6A target datasheet entry; Section1
Grid-No.l Voltage for plate current of 1 mA
-42 V
Published in approved 17JB6A target datasheet entry; Section1