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

YD1302

Forced-air-cooled metal-ceramic coaxial power triode for Class AB linear broadband television-transposer service to approximately 1 GHz. Rated for about 325 W plate dissipation with very high gain for UHF television amplification.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
5 V / 2.1 A

Description

Forced-air-cooled metal-ceramic coaxial power triode for class-AB linear broadband television transposer service to 1000 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
5 V
Nominal heater current
2.1 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
0.06 S
Amplification factor
200
Max plate voltage
2000 V
Max plate dissipation
325 W
Max cathode current
250 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

  • frequencies up to

    1000 MHz

    ClassAB;Transposer

  • Frequency f

    470 to 860 MHz

    Transposer

  • Anode voltage Vg

    1900 V

    Transposer

  • Output power in load (sync) Wy

    55 W

  • Power gain G

    19 dB

  • Heater current If

    2.1 A

  • at reference point ty max

    100 °c

  • Frequency

    470 to 860 MHz

  • Bandwidth ( [1]

    -1 dB

  • Bandwidth ( [2]

    9 MHz

  • Grid voltage 2)

    -6.6 v

  • Anode current, no signal

    130 mA

  • Anode current at zero dB level (vision carrier)

    180 mA

  • Power gain

    19 dB

  • Intermodulation products 3)

    -54 dB

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

    -8 dB

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

    -7 dB

  • 2) To be adjusted for the stated no-signal anode current

    -16 dB

  • For a vision to sound power ratio of 10:1 : IM products <

    56 dB

  • value, with superimposed a

    4.43 MHz

Capacitance

  • Grid to cathode and heater Cg/xf

    17 pF

  • Anode to cathode and heater Ca/kf

    0.05 pF

Characteristic

  • Anode voltage Va

    1900 V

  • Anode current I,

    180 mA

  • Transconductance S

    60 mA