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Power - Beam (NOT sweep) ·BeamPower-Triode

9GV8

Combination high-mu triode and power pentode designed for television sync-amplifier and video-output applications.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
9LY
Socket code
B9A
Base pins
9
Nominal heater
9.5 V / 600 mA

Description

High-mu triode plus power pentode used for sync-amplifier and video-output applications in television receivers.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
9LY
Socket code
B9A
Base pins
9
Nominal heater voltage
9.5 V
Nominal heater current
600 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

9LY - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
7600 Ω
Transconductance
0.0065 S
Amplification factor
50
Max plate voltage
250 V
Max plate dissipation
0.5 W
Max cathode current
15 mA

Published ratings and characteristics extracted from the approved RCA source. Pulse-only ratings remain parameter rows unless explicitly continuous.

Section 2

Beam Power

X-ray radiationInterelectrode capacitances
Transconductance
0.0075 S
Max plate voltage
250 V
Max screen voltage
250 V
Max plate dissipation
7 W
Max screen dissipation
2 W
Max cathode current
75 mA

Published ratings and characteristics extracted from the approved RCA source. Pulse-only ratings remain parameter rows unless explicitly continuous.

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

Triode

Other

  • Heater Voltage (ac/de) 6.3 9.5 11.6

    18 V

    Published in approved ECL85 target datasheet entry; Section1

  • Heater Current 0.9 0.6 0.45

    300 mA

    Published in approved ECL85 target datasheet entry; Section1

  • IMate Supply Voltage 550

    550 V

    Published in approved ECL85 target datasheet entry; Section1

  • Peak Plate Voltage 0

    2000 V

    Published in approved ECL85 target datasheet entry; Section1

  • DC Plate Voltage 250

    250 V

    Published in approved ECL85 target datasheet entry; Section1

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

    550 V

    Published in approved ECL85 target datasheet entry; Section1

  • Grid-No. 2 Voltage

    250 V

    Published in approved ECL85 target datasheet entry; Section1

  • Peak Cathode Current"

    200 mA

    Published in approved ECL85 target datasheet entry; Section1

  • Average Cathode Current 15

    75 mA

    Published in approved ECL85 target datasheet entry; Section1

  • Plate Dissipation 0.5

    7 W

    Published in approved ECL85 target datasheet entry; Section1

  • Crid-No.2 Input

    2 W

    Published in approved ECL85 target datasheet entry; Section1

  • Plate Voltage 100 50 65

    170 V

    Published in approved ECL85 target datasheet entry; Section1

  • Grid-No.2 Voltage 170 210

    170 V

    Published in approved ECL85 target datasheet entry; Section1

  • Grid-No. 1 Voltage —0.8 — —1

    -15 V

    Published in approved ECL85 target datasheet entry; Section1

  • For fixed-bias operation 1

    1 MΩ

    Published in approved ECL85 target datasheet entry; Section1

  • For cathode-bias operation 3.3

    2.2 MΩ

    Published in approved ECL85 target datasheet entry; Section1

  • Maximum pulse duration

    5 %

    Published in approved ECL85 target datasheet entry; Section1

  • Maximum pulse duration 5 per cent of a cycle with a maximum of

    1 millisecond

    Published in approved ECL85 target datasheet entry; Section1

  • Maximum pulse duration

    200 microseconds

    Published in approved ECL85 target datasheet entry; Section1

  • be reduced to 100 mAwith a maximum pulse duration of

    400 microseconds

    Published in approved ECL85 target datasheet entry; Section1

Characteristic

  • Plate Resistance ( Appro*. ) 7600

    -25000 Ω

    Published in approved ECL85 target datasheet entry; Section1

  • Transccnductance 6500

    7500 µS

    Published in approved ECL85 target datasheet entry; Section1

  • Plate Current 5 200" 240

    41 mA

    Published in approved ECL85 target datasheet entry; Section1

  • Grid-No.2 Current 40« 50*

    2.7 mA

    Published in approved ECL85 target datasheet entry; Section1

SECTION 2

Beam Power

Other

  • Heater Voltage (ac/de) 6.3 9.5 11.6

    18 V

    Published in approved ECL85 target datasheet entry; Section2

  • Heater Current 0.9 0.6 0.45

    300 mA

    Published in approved ECL85 target datasheet entry; Section2

  • IMate Supply Voltage 550

    550 V

    Published in approved ECL85 target datasheet entry; Section2

  • Peak Plate Voltage 0

    2000 V

    Published in approved ECL85 target datasheet entry; Section2

  • DC Plate Voltage 250

    250 V

    Published in approved ECL85 target datasheet entry; Section2

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

    550 V

    Published in approved ECL85 target datasheet entry; Section2

  • Grid-No. 2 Voltage

    250 V

    Published in approved ECL85 target datasheet entry; Section2

  • Peak Cathode Current"

    200 mA

    Published in approved ECL85 target datasheet entry; Section2

  • Average Cathode Current 15

    75 mA

    Published in approved ECL85 target datasheet entry; Section2

  • Plate Dissipation 0.5

    7 W

    Published in approved ECL85 target datasheet entry; Section2

  • Crid-No.2 Input

    2 W

    Published in approved ECL85 target datasheet entry; Section2

  • Plate Voltage 100 50 65

    170 V

    Published in approved ECL85 target datasheet entry; Section2

  • Grid-No.2 Voltage 170 210

    170 V

    Published in approved ECL85 target datasheet entry; Section2

  • Grid-No. 1 Voltage —0.8 — —1

    -15 V

    Published in approved ECL85 target datasheet entry; Section2

  • For fixed-bias operation 1

    1 MΩ

    Published in approved ECL85 target datasheet entry; Section2

  • For cathode-bias operation 3.3

    2.2 MΩ

    Published in approved ECL85 target datasheet entry; Section2

  • Maximum pulse duration

    5 %

    Published in approved ECL85 target datasheet entry; Section2

  • Maximum pulse duration 5 per cent of a cycle with a maximum of

    1 millisecond

    Published in approved ECL85 target datasheet entry; Section2

  • Maximum pulse duration

    200 microseconds

    Published in approved ECL85 target datasheet entry; Section2

  • be reduced to 100 mAwith a maximum pulse duration of

    400 microseconds

    Published in approved ECL85 target datasheet entry; Section2

Characteristic

  • Plate Resistance ( Appro*. ) 7600

    -25000 Ω

    Published in approved ECL85 target datasheet entry; Section2

  • Transccnductance 6500

    7500 µS

    Published in approved ECL85 target datasheet entry; Section2

  • Plate Current 5 200" 240

    41 mA

    Published in approved ECL85 target datasheet entry; Section2

  • Grid-No.2 Current 40« 50*

    2.7 mA

    Published in approved ECL85 target datasheet entry; Section2