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Power - Pentode Single (NOT beam) (under 10W) ·Pentode

YL1000

Quick-heating directly heated VHF power pentode for mobile RF amplification and frequency multiplication to approximately 200 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
9
Nominal heater
1.1 V / 880 mA

Description

Directly heated VHF power pentode for RF power-amplifier or frequency-multiplier service in portable and mobile equipment.

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
1.1 V
Nominal heater current
880 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
Transconductance
0.0045 S
Max plate voltage
300 V
Max screen voltage
300 V
Max plate dissipation
5 W
Max screen dissipation
1 W

RF/AF power pentode.

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

1959 Telefunken

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Plate Voltage

    120 V

  • Plate Current

    30 mA

  • Transconductance

    4500 uS

  • Heater Warmup Time

    0.5 s

    Maximum

  • Maximum Full-Rating Frequency

    175 MHz

Other

  • Useful Output Power

    5.15 W

    FrequencyMultiplier; 25/50MHz

Data set 02

1963 Mullard

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Filament Voltage

    1.1 V

  • Filament Current

    880 mA

  • Heating Time to 70 Percent Output

    0.5 s

    Maximum

  • Plate-Grid Capacitance Maximum

    0.15 pF

  • Input Capacitance

    6.5 pF

  • Output Capacitance

    3.8 pF

  • Grid-Filament Capacitance

    1.5 pF

  • Transconductance

    4300 uS

Other

  • Maximum Plate Supply Voltage

    500 V

  • Maximum Plate Voltage

    300 V

  • Maximum Plate Dissipation

    5 W

  • Maximum Screen Supply Voltage

    500 V

  • Maximum Screen Voltage

    300 V

  • Maximum Screen Dissipation

    1 W

Data set 03

1967 Mullard Receiving Tubes for Maintenance

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Ir

    880 mA

    Published in approved YL1000.pdf target datasheet; Section1

  • Ik max

    50 mA

    Published in approved YL1000.pdf target datasheet; Section1

  • Tbulb max

    200 °C

    Published in approved YL1000.pdf target datasheet; Section1

  • T he conditions for

    175 MHz

    Published in approved YL1000.pdf target datasheet; Section1

Capacitance

  • Ca-il <

    0.15 pF

    Published in approved YL1000.pdf target datasheet; Section1

  • Cin

    6 pF

    Published in approved YL1000.pdf target datasheet; Section1

  • Cout

    3.5 pF

    Published in approved YL1000.pdf target datasheet; Section1

  • CiI-I

    1.5 pF

    Published in approved YL1000.pdf target datasheet; Section1

Characteristic

  • la

    30 mA

    Published in approved YL1000.pdf target datasheet; Section1

  • li2

    2.3 mA

    Published in approved YL1000.pdf target datasheet; Section1

  • gm

    4.3 mA

    Published in approved YL1000.pdf target datasheet; Section1