Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Power - Tetrode (NOT beam) (over 1000V 100W) ·Tetrode

YL1430

High-power forced-air-cooled metal-ceramic VHF tetrode for television transmitters, AM/FM broadcasting, transposers, and AF modulation. Approximately 12 kW plate dissipation and high-voltage operation suit large professional broadcast installations.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
8 V / 120 A

Description

Forced-air-cooled metal-ceramic VHF power tetrode for high-power television transmitters, AM/FM broadcast, AF modulation, and transposer service.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
-
Nominal heater voltage
8 V
Nominal heater current
120 A
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

Tetrode

X-ray radiationInterelectrode capacitances
Transconductance
0.045 S
Amplification factor
8.5
Max plate voltage
9500 V
Max screen voltage
1000 V
Max plate dissipation
12000 W
Max screen dissipation
100 W
Max grid dissipation
50 W
Max cathode current
6 A

VHF RF power tetrode

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

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Other

  • Frequency f 175,

    25 MHz

    Transposer

  • Anode voltage Va

    7 kV

    Transposer

  • Output power in load Wyg

    18.4 kW

  • Frequency f

    260 MHz

    ClassB

  • Anode voltage Va

    7.5 kV

    ClassB

  • Output power in load W,

    13 kW

    ClassB

  • Frequency f

    260 MHz

    ClassC

  • Anode voltage Vg

    8 kV

    ClassC

  • Qutput power in load Wy

    18 kW

    ClassC

  • Frequency f

    175 to 225 MHz

    Transposer

  • Anode voltage Va

    6 kV

    Transposer

  • Output power in load Wy

    7 kW

    Transposer

  • Filament current 1¢

    120 A

  • Filament peak starting current pr max

    750 A

  • Waiting time Tw min

    1 s

  • Absolute max. envelope temperature topy Mmax

    240 °c

  • Frequency f up to

    260 MHz

    ClassB

  • Anode voltage Va max

    9 kv

  • Grid no. 2 voltage Vgo max

    1 kV

  • Grid na. I voltage Vg1 max

    500 V

  • Anode input power Wia max

    24 kW

  • Anode dissipation Wa max

    12 kW

  • Grid no. 2 dissipation Wgo max

    100 W

  • Grid no. 1 dissipation ng max

    50 W

  • Cathode current " max

    6 A

  • Frequency f up to

    260 MHz

  • Anode voltage Va

    7.5 kV

  • Grid no. 2 voltage Vao

    650 V

  • Grid no. ! voltage Vg

    125 v

  • Anode current, no signal condition Iy

    100 mA

  • Anode current I,

    2.5 A

  • Grid no. 2 current lgo

    80 mA

  • Grid no. 1 current Igy

    90 mA

  • Anonde input power Wig

    18.75 kW

  • Anode dissipation Wa

    5 kW

  • Output power in load Wy

    13 kW

  • Driving power War

    400 W

  • Frequency f up to

    260 MHz

  • Anode input power, black Wia black max

    24 kW

  • Anode dissipation Wy max

    12 kW

  • Grid no. 2 dissipation WgZ max

    100 W

  • Bandwidth (

    -1 dB

  • Frequeney of vision carrier f

    83.25 MHz

  • Bandwidth ( [1]

    -1 dB

  • Bandwidth ( [2]

    7 MHz

  • Anode voltage Ya

    3.5 kV

  • Grid no. 2 voltage Vg

    700 A

  • Grid no. 1 voltage Vel

    ~72 v

  • Anode current. no signal condition la S0

    0 mA

  • Anode current, black Lajyg

    3.2 A

  • Grid no.2 current, black Igoby

    55 mA

  • Grid no. 1 curvent. black Iglbl

    165 mA

  • Output power in load, sync We cvne

    13.2 kW

  • bluck Wi plack

    7.9 kW

  • Driving power. svnc Wdr svne

    660 w

  • black War black

    330 W

  • Frequency of visions carrier I

    55.25 MHz

  • Anode voltage Va 4

    5.5 kV

  • Grid no. 2 voltage Va2 700

    700 v

  • Grid no. 1 voltage Vgl -70

    72 A

  • Anode current. no signal condition I, 800

    900 mA

  • Anode current, black Iabl 2,4

    3.4 A

  • Grid no. 2 current. black lg2bi 33

    45 mA

  • Griano.1 current, black Iglbl 60

    175 ma

  • Output power in load. sync Wi evne 6,4

    13.2 kW

  • Driving power. svnc Wiy syne 352

    733 W

  • black Wdr black 190

    390 W

  • Frequency f

    175 to 225 MHz

  • Bandwidth ( [2]

    8 MHz

  • Anode voltage Vy

    6 kV

  • Grid no. 2 voitage Vgg

    800 V

  • Anode current, no signal condition Iy

    1.2 A

  • Anode current 6) I

    2.5 A

  • Grid no. 2 current 6y 1g2

    30 mA

  • Grid no. 1 current 6) Ig1

    50 mA

  • Driving power, sync War

    220 W

  • Output power in load, sync Wy

    7 kW

  • Intermodulation products 7’) d

    -52 dB

  • Frequency f upto

    260 MHz

    ClassC

  • Anode voltage Va max

    9.5 kV

  • Grid no. 2 voltage Vgo max

    1 kv

  • Grid no. 1 voltage ~Vg1 max

    500 V

  • Anode current Iy max

    5 A

  • Anode input power Wia max

    30 kW

  • Anode dissipation Wj max

    12 kW

  • Grid no. 2 disipation Wgo max

    100 W

  • Cathode current I max

    6 A

  • Frequency f

    260 MHz

  • Anode voltage Va

    8 kV

  • Grid no. 2 voltage Vg2

    700 V

  • Anode current, no signal condition Ia

    300 mA

  • Anode current Iy

    3.5 A

  • Grid no. 2 current Igo

    100 mA

  • Grid no. 1 current Ig

    300 mA

Characteristic

  • Anode voltage Vy,

    6 kV

  • Transconductance S

    45 mA

Capacitance

  • Input Cgi(a) 110 Ct(a)

    55 pF

  • Qutput Ca(g1) 17,5 Ca(f)

    18 pF

  • Anode to grid no. 1 Cagl

    0.7 pF

  • Anode to filament Caf

    0.2 pF