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Power - Triode (over 1000V 100W) ·Triode

YD1333

Forced-air-cooled metal-ceramic coaxial power triode for Class AB broadband television-transposer service to about 960 MHz. Rated for approximately 900 W plate dissipation with high transconductance for UHF television power amplification.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 5.4 A

Description

Forced-air-cooled metal-ceramic coaxial power triode for class-AB broadband television transposer service to about 960 MHz.

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
6.3 V
Nominal heater current
5.4 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

Triode

X-ray radiationInterelectrode capacitances
Transconductance
0.07 S
Amplification factor
80
Max plate voltage
3500 V
Max plate dissipation
900 W
Max cathode current
550 mA

UHF RF power triode

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

Triode

Other

  • service at frequencies up to

    960 MHz

    ClassAB;Transposer

  • HEATING: indirect by A.C. ( [1]

    50 Hz

  • HEATING: indirect by A.C. ( [2]

    400 Hz

  • Heater voltage V¢

    6.3 V

  • Heater current I

    5.4 A

    Transposer

  • Cathode heating time ’Ifh min,

    180 s

    Transposer

  • Frequency up to

    960 MHz

  • Anode voltage max,

    3500 V

  • Grid voltage max

    200 V

  • Anode dissipation max,

    900 W

  • Grid dissipation max,

    0.5 W

  • Cathode current max,

    550 mA

  • Frequency

    470 to 860 MHz

  • Range values -10 Vto

    -30 V

  • 3) Three tone test method (vision carrier [1]

    -8 dB

  • 3) Three tone test method (vision carrier [2]

    -10 dB

  • signal

    16 dB

Capacitance

  • Anode to grid

    7.8 pF

  • Grid to cathode and heater

    27 pF

  • Anode to cathode and heater

    0.15 pF

Characteristic

  • Anode voltage

    2 kV

  • Anode current

    250 mA

  • Transconductance

    70 mA