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Voltage Pentode ·Pentode

YF184

Frame-grid television IF-amplifier pentode documented by Amperex. Its frame-grid construction and high transconductance are optimized for television intermediate-frequency and related wideband signal amplification.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
9
Nominal heater
4.4 V / 450 mA

Description

YF184 is a Pentode device in the supplied Amperex literature. Frame-grid television IF-amplifier pentode; the supplied page publishes representative operating values.

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

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
Plate resistance
350000 Ω
Transconductance
0.015 S
Max plate voltage
250 V
Max screen voltage
250 V
Max plate dissipation
2.5 W
Max screen dissipation
0.9 W
Max cathode current
25 mA

Published ratings and characteristics mapped semantically from the 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

1953 Amperex

Published operating points and test conditions from this source.

SECTION 1

Pentode

Capacitance

  • Input capacitance

    10 pF

    Published source value

  • Output capacitance

    3 pF

    Published source value

  • Plate-to-grid No. 1 capacitance

    - to 0.005 pF

    Published source value

Other

  • Typical plate voltage

    200 V

    Published source value

  • Typical screen-grid voltage

    200 V

    Published source value

Data set 02

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Plate voltage

    200 V

    IF amplifier

  • Screen voltage

    200 V

    IF amplifier

  • Grid voltage

    -2.8 V

    IF amplifier

  • Plate current

    10 mA

    IF amplifier

  • Screen current

    4.1 mA

    IF amplifier

Characteristic

  • Transconductance

    15000 uS

    IF amplifier

  • Plate resistance

    350 kOhm

    IF amplifier