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Voltage Pentode ·Pentode

6F23

High-slope screened HF pentode designed for television IF amplification, video output, and synchronizing-pulse amplifier service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
B9A
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 300 mA

Description

High-slope screened HF pentode for IF amplification, video output and synchronizing-pulse service.

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
B9A
Socket code
B9A
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

B9A - 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

Pentode

X-ray radiationInterelectrode capacitances
Transconductance
0.0092 S
Amplification factor
64
Max plate voltage
250 V
Max screen voltage
250 V
Max plate dissipation
3.5 W
Max screen dissipation
1.5 W

Published ratings and characteristics promoted from the approved English source.

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

1960 Mazda

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Typical Plate Voltage

    170 V

  • Typical Screen Voltage

    170 V

  • Grid Bias

    -1.9 V

  • Typical Plate Current

    10 mA

  • Typical Screen Current

    2.6 mA

  • Equivalent Grid Noise Resistance

    670 ohm

  • InputLossAt38MHz

    8500 ohm

Data set 02

1973 Mazda Valves Binder 2

Published operating points and test conditions from this source.

SECTION 1

Pentode

Application

  • Application

    IF_Video_SyncAmplifier text