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

YD1335

Forced-air-cooled metal-ceramic coaxial power triode for broadband television sound and vision amplification through approximately 1 GHz. High transconductance and nearly 2 kW plate dissipation support substantial professional UHF broadcast power.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 5.8 A

Description

Forced-air-cooled metal-ceramic coaxial power triode for television sound and vision broadband power amplification 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: 6.3 V
Nominal heater current: 5.8 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: 90
Max plate voltage: 3800 V
Max plate dissipation: 1900 W
Max cathode current: 700 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
Frequency f
470 to 860 MHz
ClassAB
Output power in the load (sync - CCIR-G) Wy
550 w
(peak white - CCIR~ L) Wy
550 w
Power gain G
15 dB
HEATING : indirect by a.c. ( [1]
50 Hz
HEATING : indirect by a.c. ( [2]
400 Hz
Heater current Ir 4,8t0
5.8 A
Cathode heating time Th min
180 s
Frequency f up to
1000 MHz
ClassAB
Anode voltage Va max
3800 v
Grid voltage -Vg max
200 A
Anode dissipation Wa max
1900 W
Grid current Ig max. +
5 mA
Cathode current Tk max
700 mA
Frequency f 470to 860
470 to 860 MHz
Anode voltage Va 3500
3500 A
Grid voltage 3) Vg
-38 -38 v
Anode current, no signal Iy 250
250 mA
Anode current at average grey level 1 = 500
500 mA
Grid current Ig =0
0 mA
Driver output power, Sync Wyr
21 w
peak white War
21 w
Output power in load, sync w,
550 W
peak white W,
550 W
Powex gain G 15
15 dB
1) During a short period, for adjustment of the transmitter, W5 = max
2200 W
Iy = max
800 mA
design -20to
-50 V
tude with a superimposed 4,
43 MHz
peak white amplitude with a superimposed
3 MHz
2 H30Vi+ [1]
25 V
2 H30Vi+ [2]
20 V
2 H30Vi+ [3]
15 V
2 H30Vi+ [4]
10 V
2 H30Vi+ [5]
5 V
2 H30Vi+ [6]
5 V
2 H30Vi+ [7]
10 V
2 H30Vi+ [8]
-15 V
] A
-25 V
! H "4 ‘3(
5 a
[ T
40 V
T L p
45 V
{A)
5 s
P, t
25 %
0 500 1000 1
500 W
20 30 40 t
1 °C

Capacitance

Anode to grid Cag
6.8to 8 pF
Grid to cathode and heater Cg/kf
20 to 30 pF
Anode to cathode and heater Ca/kt
90 to 180 fF

Characteristic

Anode voltage Vg,
3 kv
Anode current Iy
400 mA
Transconductance S
70 mA