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

GU68P

Evaporation-cooled metal-ceramic power triode for stationary RF transmitter amplifiers to approximately 30 MHz. It combines about 130 kW plate dissipation with 12 kV plate capability and a carbonized thoriated-tungsten cathode.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
20 V / -

Description

The GU-68P triode is used as a power amplifier at frequencies up to 30 MHz in stationary RF transmitters. It has a directly heated carbonized thoriated-tungsten cathode and evaporative anode cooling.

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
20 V
Nominal heater current
-
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
Max plate voltage
12000 V
Max plate dissipation
130000 W
Max grid dissipation
2300 W

Promoted-field audit performed from English ratings/characteristics; detailed electrical values retained in parameter table. REDO promoted-field audit completed from English Limit Operating Values / Electrical Parameters tables.

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

1968 Electronintorg

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • power amplifier at fre [1]

    68 W

    leHepaTopHbI Tpuog MNY-68M npegHasHayeH gns The I'Y-68I1 triode is used as a power amplifier at fre-

  • power amplifier at fre [2]

    68 W

    leHepaTopHbI Tpuog MNY-68M npegHasHayeH gns The I'Y-68I1 triode is used as a power amplifier at fre-

  • temperature,°C [1]

    -10 C

    Ambient temperature,°C ........... —10to +55

  • temperature,°C [2]

    55 C

    Ambient temperature,°C ........... —10to +55

  • voltage

    1 uS

    KpyTusHa xapakTepucTiki (MpyU HanpspKeHun Mutual conductance (at anode voltage 1 kV,

  • currents [1]

    1 A

    aHopa 1 kB, Tokax aHoga 10 u anode currents 10 and

  • currents [2]

    10 A

    aHopa 1 kB, Tokax aHoga 10 u anode currents 10 and

  • currents [3]

    10 A

    aHopa 1 kB, Tokax aHoga 10 u anode currents 10 and

  • voltages [1]

    1 kV

    KoadduumeHT yeuneHums (Npu Hanps>kKeHnsx Gain coefficient (at anode voltages 1 and 2kV,

  • voltages [2]

    2 kV

    KoadduumeHT yeuneHums (Npu Hanps>kKeHnsx Gain coefficient (at anode voltages 1 and 2kV,

  • grid [1]

    10 mA

    aHoma 10 A) ... ... 30-38 Anode current (at anode voltage 0.3 kV, grid

  • grid [2]

    30 mA

    aHoma 10 A) ... ... 30-38 Anode current (at anode voltage 0.3 kV, grid

  • grid [3]

    -38 mA

    aHoma 10 A) ... ... 30-38 Anode current (at anode voltage 0.3 kV, grid

  • grid [4]

    0.3 mA

    aHoma 10 A) ... ... 30-38 Anode current (at anode voltage 0.3 kV, grid

  • voltage [1]

    3 V

    Tok aHoAa (Npu HanpsXeHusix aHoga 0,3 kB, voltage 100 V), A, atleast . . .. .................. 8

  • voltage [2]

    100 V

    Tok aHoAa (Npu HanpsXeHusix aHoga 0,3 kB, voltage 100 V), A, atleast . . .. .................. 8

  • voltage [3]

    8 V

    Tok aHoAa (Npu HanpsXeHusix aHoga 0,3 kB, voltage 100 V), A, atleast . . .. .................. 8

  • anode [1]

    100 V

    ceTkn 100B), A, HemeHee . . ................... 8 Negative cutoff voltage (at anode

  • anode [2]

    8 V

    ceTkn 100B), A, HemeHee . . ................... 8 Negative cutoff voltage (at anode

  • current [1]

    3 A

    HanpsixxeHue 3anMpaHus oTpulaTensHoe, voltage 10kV, anode current 0.1 A), absolute

  • current [2]

    10 A

    HanpsixxeHue 3anMpaHus oTpulaTensHoe, voltage 10kV, anode current 0.1 A), absolute

  • current [3]

    100 mA

    HanpsixxeHue 3anMpaHus oTpulaTensHoe, voltage 10kV, anode current 0.1 A), absolute

  • Interelectrode capacitance, pF [1]

    3 pF

    abcontoTHoe 3HayeHwe, B,He bonee . ............ 400 Interelectrode capacitance, pF:

  • Interelectrode capacitance, pF [2]

    400 pF

    abcontoTHoe 3HayeHwe, B,He bonee . ............ 400 Interelectrode capacitance, pF:

  • input,atmost ......... ... ... .ol [1]

    6

    Me>xkanekTpogHbie emkocTu, Nnd, He 6onee: input,atmost ......... ... ... .ol 300

  • input,atmost ......... ... ... .ol [2]

    300

    Me>xkanekTpogHbie emkocTu, Nnd, He 6onee: input,atmost ......... ... ... .ol 300

  • output,atmost .................. L [1]

    300

    BXOAHAS .. .vovitit i 300 output,atmost .................. L 6

  • output,atmost .................. L [2]

    6

    BXOAHAS .. .vovitit i 300 output,atmost .................. L 6

  • voltage [1]

    105 W

    MPOXOAHAS . .t ot it i e e eni e 105 Output power (at 30 MHz, at filament voltage

  • voltage [2]

    30 W

    MPOXOAHAS . .t ot it i e e eni e 105 Output power (at 30 MHz, at filament voltage

  • voltage [1]

    30 kV

    MouwHocTb BbIXOgHas (Ha YacTtoTe 30 MMy npu 20 V and anode voltage 12kV), kW .............. 250

  • voltage [2]

    20 kV

    MouwHocTb BbIXOgHas (Ha YacTtoTe 30 MMy npu 20 V and anode voltage 12kV), kW .............. 250

  • voltage [3]

    12 kV

    MouwHocTb BbIXOgHas (Ha YacTtoTe 30 MMy npu 20 V and anode voltage 12kV), kW .............. 250

  • voltage [4]

    250 kV

    MouwHocTb BbIXOgHas (Ha YacTtoTe 30 MMy npu 20 V and anode voltage 12kV), kW .............. 250

  • voltage (ACorDC),V [1]

    19 V

    Hanps>xeHue Hakana (nepemexHoe unu Filament voltage (ACorDC),V .............. ... 19-21

  • voltage (ACorDC),V [2]

    -21 V

    Hanps>xeHue Hakana (nepemexHoe unu Filament voltage (ACorDC),V .............. ... 19-21

  • voltage (DC), kV [1]

    19 kV

    noctosHHoe), B ... ... ... ... ol 19-21 Anode voltage (DC), kV .......... ... ... .. ... 12

  • voltage (DC), kV [2]

    -21 kV

    noctosHHoe), B ... ... ... ... ol 19-21 Anode voltage (DC), kV .......... ... ... .. ... 12

  • voltage (DC), kV [3]

    12 kV

    noctosHHoe), B ... ... ... ... ol 19-21 Anode voltage (DC), kV .......... ... ... .. ... 12

  • voltage, absolute value, kV

    1.5 kV

    Hanpsetue, kB: Negative outoff voltage, absolute value, kV ........ 1.5

  • current, A [1]

    12 A

    aHOAA (MOCTOAHHOE) . ... ..ot i i i ns 12 Filament startingcurrent, A .................... 450

  • current, A [2]

    450 A

    aHOAA (MOCTOAHHOE) . ... ..ot i i i ns 12 Filament startingcurrent, A .................... 450

  • Dissipation, kW

    3 kW

    3anupaHusi oTpulaTensHoe (abcontoTHoe Dissipation, kW:

  • anode [1]

    15

    BHAYEHME) . ..ottt i e e 1,5 anode . ... 130

  • anode [2]

    130

    BHAYEHME) . ..ottt i e e 1,5 anode . ... 130

  • grid [1]

    450

    MyckoBOW TOKHaKana, A . ..................... 450 grid .. 2.3

  • grid [2]

    2.3

    MyckoBOW TOKHaKana, A . ..................... 450 grid .. 2.3

  • frequency, MHz

    30 MHz

    PaccenBaemas MOWHOCTb, KBT: Operating frequency, MHz .. ................... 30

  • Temperature at stem and metal-to-ceramic [1]

    1 C

    1T Y 130 Temperature at stem and metal-to-ceramic

  • Temperature at stem and metal-to-ceramic [2]

    130 C

    1T Y 130 Temperature at stem and metal-to-ceramic

  • grid

    800

    ™~ - 800 - —— - grid

  • Anode Characteristic Curves [1]

    72

    ) ! 72 J 4 § & 7 8 § 1lUakV Averaged Grid-Anode Characteristic Curves

  • Anode Characteristic Curves [2]

    4

    ) ! 72 J 4 § & 7 8 § 1lUakV Averaged Grid-Anode Characteristic Curves

  • Anode Characteristic Curves [3]

    7

    ) ! 72 J 4 § & 7 8 § 1lUakV Averaged Grid-Anode Characteristic Curves

  • Anode Characteristic Curves [4]

    8

    ) ! 72 J 4 § & 7 8 § 1lUakV Averaged Grid-Anode Characteristic Curves

  • Anode Characteristic Curves [5]

    1

    ) ! 72 J 4 § & 7 8 § 1lUakV Averaged Grid-Anode Characteristic Curves