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

GU76B

Transmitting power tetrode designed for RF amplification, linear/SSB service, oscillation, modulation, broadcasting, or frequency multiplication.

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

Description

The GU-76B power tetrode is used for RF service. It has a directly heated carbonized thoriated-tungsten cathode, metal-ceramic envelope with external copper anode, and forced-air 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
11 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

Tetrode

X-ray radiationInterelectrode capacitances
Max plate voltage
11000 V
Max screen voltage
1500 V
Max plate dissipation
30000 W
Max screen dissipation
900 W
Max grid dissipation
300 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

Tetrode

Other

  • power tetrode is used for RF [1]

    76 W

    The I'Y-76b power tetrode is used for RF 5

  • power tetrode is used for RF [2]

    5 W

    The I'Y-76b power tetrode is used for RF 5

  • anode

    2

    C2 - grid 2; A - anode;

  • grid

    1

    o C1-grid 1;/ - contact

  • temperature, °C . ... .. ... L [1]

    -10 C

    TemnepaTypa oKkpy»xatowewn cpegbl, °C .. .. ... . ... —-10-+55 Ambient temperature, °C . ... .. ... L. —10to +55

  • temperature, °C . ... .. ... L [2]

    55 C

    TemnepaTypa oKkpy»xatowewn cpegbl, °C .. .. ... . ... —-10-+55 Ambient temperature, °C . ... .. ... L. —10to +55

  • temperature, °C . ... .. ... L [3]

    -10 C

    TemnepaTypa oKkpy»xatowewn cpegbl, °C .. .. ... . ... —-10-+55 Ambient temperature, °C . ... .. ... L. —10to +55

  • temperature, °C . ... .. ... L [4]

    55 C

    TemnepaTypa oKkpy»xatowewn cpegbl, °C .. .. ... . ... —-10-+55 Ambient temperature, °C . ... .. ... L. —10to +55

  • voltage

    2 uS

    KpyTu3Ha xapakTepucTuki (Mpu HanpsKeHUsIX Mutual conductance (at anode voltage 2 kV,

  • currents [1]

    2 A

    aHoga 2 kB, BTopon ceTku 1,3 kB, Tokax grid 2 voltage 1.3 kV, anode currents

  • currents [2]

    13 A

    aHoga 2 kB, BTopon ceTku 1,3 kB, Tokax grid 2 voltage 1.3 kV, anode currents

  • currents [3]

    2 A

    aHoga 2 kB, BTopon ceTku 1,3 kB, Tokax grid 2 voltage 1.3 kV, anode currents

  • currents [4]

    1.3 A

    aHoga 2 kB, BTopon ceTku 1,3 kB, Tokax grid 2 voltage 1.3 kV, anode currents

  • voltage

    2 kV

    KoathdUUNEHT yCUMEHUS (MPW HANPSKEHNSAX Gain coefficient (at anode voltage 2 kV,

  • current [1]

    2 A

    2 kB, sropon cetkm 11 1,3 kB, grid 2 voltages 1 and 1.3 kV, anode current 8 A) . . .. 6-9

  • current [2]

    11 A

    2 kB, sropon cetkm 11 1,3 kB, grid 2 voltages 1 and 1.3 kV, anode current 8 A) . . .. 6-9

  • current [3]

    13 A

    2 kB, sropon cetkm 11 1,3 kB, grid 2 voltages 1 and 1.3 kV, anode current 8 A) . . .. 6-9

  • current [4]

    2 A

    2 kB, sropon cetkm 11 1,3 kB, grid 2 voltages 1 and 1.3 kV, anode current 8 A) . . .. 6-9

  • current [5]

    1 A

    2 kB, sropon cetkm 11 1,3 kB, grid 2 voltages 1 and 1.3 kV, anode current 8 A) . . .. 6-9

  • current [6]

    1.3 A

    2 kB, sropon cetkm 11 1,3 kB, grid 2 voltages 1 and 1.3 kV, anode current 8 A) . . .. 6-9

  • current [7]

    8 A

    2 kB, sropon cetkm 11 1,3 kB, grid 2 voltages 1 and 1.3 kV, anode current 8 A) . . .. 6-9

  • current [8]

    6 A

    2 kB, sropon cetkm 11 1,3 kB, grid 2 voltages 1 and 1.3 kV, anode current 8 A) . . .. 6-9

  • current [9]

    -9 A

    2 kB, sropon cetkm 11 1,3 kB, grid 2 voltages 1 and 1.3 kV, anode current 8 A) . . .. 6-9

  • grid [1]

    69 A

    TOKEeaHOJAB A) .. ... ... 69 Anode current (at anode voltage 2 kV, grid 2

  • grid [2]

    2 A

    TOKEeaHOJAB A) .. ... ... 69 Anode current (at anode voltage 2 kV, grid 2

  • grid [3]

    2 A

    TOKEeaHOJAB A) .. ... ... 69 Anode current (at anode voltage 2 kV, grid 2

  • voltage [1]

    2 kV

    Tok aHoaa (Npy HanpshkeHusix aHoga 2 kB, voltage 1.3kV), A, atleast ................

  • voltage [2]

    1.3 kV

    Tok aHoaa (Npy HanpshkeHusix aHoga 2 kB, voltage 1.3kV), A, atleast ................

  • voltage [1]

    13 kV

    BTOpO#N ceTku 1,3 kB), A, HemeHee ... ........... 14,5 Negative bias voltage (at anode voltage 10 kV,

  • voltage [2]

    145 kV

    BTOpO#N ceTku 1,3 kB), A, HemeHee ... ........... 14,5 Negative bias voltage (at anode voltage 10 kV,

  • voltage [3]

    10 kV

    BTOpO#N ceTku 1,3 kB), A, HemeHee ... ........... 14,5 Negative bias voltage (at anode voltage 10 kV,

  • current [1]

    2 A

    Hanpshkexue, B: grid 2 voltage 1.3kV, anode current 2 A),

  • current [2]

    1.3 A

    Hanpshkexue, B: grid 2 voltage 1.3kV, anode current 2 A),

  • current [3]

    2 A

    Hanpshkexue, B: grid 2 voltage 1.3kV, anode current 2 A),

  • voltage [1]

    10 kV

    HanpspkeHuax aHoaa 10 kB sTopon Negative cutoff voltage (at anode voltage 10 kV,

  • voltage [2]

    10 kV

    HanpspkeHuax aHoaa 10 kB sTopon Negative cutoff voltage (at anode voltage 10 kV,

  • current [1]

    13 A

    cetkn 1,3 KB, Toke aHona 2 A), grid 2 voltage 1.3 kV, anode current 0.3 A),

  • current [2]

    2 A

    cetkn 1,3 KB, Toke aHona 2 A), grid 2 voltage 1.3 kV, anode current 0.3 A),

  • current [3]

    2 A

    cetkn 1,3 KB, Toke aHona 2 A), grid 2 voltage 1.3 kV, anode current 0.3 A),

  • current [4]

    1.3 A

    cetkn 1,3 KB, Toke aHona 2 A), grid 2 voltage 1.3 kV, anode current 0.3 A),

  • current [5]

    300 mA

    cetkn 1,3 KB, Toke aHona 2 A), grid 2 voltage 1.3 kV, anode current 0.3 A),

  • Interelectrode capacitance, pF

    3 pF

    3anupanHuna oTpuuaTensHoe (Npu Interelectrode capacitance, pF:

  • input [1]

    10

    HanpshkeHunsix asoga 10 kB, BTopon input . ... 350-385

  • input [2]

    350

    HanpshkeHunsix asoga 10 kB, BTopon input . ... 350-385

  • input [3]

    -385

    HanpshkeHunsix asoga 10 kB, BTopon input . ... 350-385

  • output [1]

    13

    cetku 1,3 kB, Toke aHoaa 0,3 A), output . ... 35-45

  • output [2]

    3

    cetku 1,3 kB, Toke aHoaa 0,3 A), output . ... 35-45

  • output [3]

    35

    cetku 1,3 kB, Toke aHoaa 0,3 A), output . ... 35-45

  • output [4]

    -45

    cetku 1,3 kB, Toke aHoaa 0,3 A), output . ... 35-45

  • voltage

    11 W

    MexxanekTpoaHble emMkocTu, Nd: Output power (at filament voltage 11 V,

  • voltage [1]

    350 kV

    BXOOHAA .. ..ottt 350-385 anode voltage 10kV, grid 2 voltage 1.3 kV,

  • voltage [2]

    -385 kV

    BXOOHAA .. ..ottt 350-385 anode voltage 10kV, grid 2 voltage 1.3 kV,

  • voltage [3]

    10 kV

    BXOOHAA .. ..ottt 350-385 anode voltage 10kV, grid 2 voltage 1.3 kV,

  • voltage [4]

    2 kV

    BXOOHAA .. ..ottt 350-385 anode voltage 10kV, grid 2 voltage 1.3 kV,

  • voltage [5]

    1.3 kV

    BXOOHAA .. ..ottt 350-385 anode voltage 10kV, grid 2 voltage 1.3 kV,

  • voltage [1]

    35 V

    BBIXOAHAM .« oottt 35-45 grid 1 voltage —250 V), kW, atleast . ............. 40

  • voltage [2]

    -45 V

    BBIXOAHAM .« oottt 35-45 grid 1 voltage —250 V), kW, atleast . ............. 40

  • voltage [3]

    1 V

    BBIXOAHAM .« oottt 35-45 grid 1 voltage —250 V), kW, atleast . ............. 40

  • voltage [4]

    -250 V

    BBIXOAHAM .« oottt 35-45 grid 1 voltage —250 V), kW, atleast . ............. 40

  • voltage [5]

    40 V

    BBIXOAHAM .« oottt 35-45 grid 1 voltage —250 V), kW, atleast . ............. 40

  • current of single

    22 W

    .. 2,2 Output power (corresponding to the current of single-

  • voltage

    11 V

    MoLHOCTb BbiIXOAHas, KBT, He MeHee: sideband signal envelope at filament voltage 11V,

  • voltage [1]

    11 kV

    npv Hanps>xeHusx Hakana 11 B, aHopa 10 kB, anode voltage 10kV, grid 2 voltage 1.3 kV),

  • voltage [2]

    10 kV

    npv Hanps>xeHusx Hakana 11 B, aHopa 10 kB, anode voltage 10kV, grid 2 voltage 1.3 kV),

  • voltage [3]

    10 kV

    npv Hanps>xeHusx Hakana 11 B, aHopa 10 kB, anode voltage 10kV, grid 2 voltage 1.3 kV),

  • voltage [4]

    2 kV

    npv Hanps>xeHusx Hakana 11 B, aHopa 10 kB, anode voltage 10kV, grid 2 voltage 1.3 kV),

  • voltage [5]

    1.3 kV

    npv Hanps>xeHusx Hakana 11 B, aHopa 10 kB, anode voltage 10kV, grid 2 voltage 1.3 kV),

  • filament

    30 kW

    COOTBETCTBYOUWAn TOKy orubarowen (at output power at least 30 kW, filament

  • grid [1]

    11 kV

    OHOMOMOCHOIO CUTHANA NPV HAMPSKEHUSAX voltage 11V, anode voltage 10kV, grid 2

  • grid [2]

    10 kV

    OHOMOMOCHOIO CUTHANA NPV HAMPSKEHUSAX voltage 11V, anode voltage 10kV, grid 2

  • grid [3]

    2 kV

    OHOMOMOCHOIO CUTHANA NPV HAMPSKEHUSAX voltage 11V, anode voltage 10kV, grid 2

  • current [1]

    11 A

    nakana 11 B, anoga 10 kB, sTopon voltage 1.3 kV, anode quiescent current

  • current [2]

    10 A

    nakana 11 B, anoga 10 kB, sTopon voltage 1.3 kV, anode quiescent current

  • current [3]

    1.3 A

    nakana 11 B, anoga 10 kB, sTopon voltage 1.3 kV, anode quiescent current

  • voltage (ACorDC),V [1]

    10.5 V

    Hanpsi»keHue Hakana (nepemMeHHoe unu Filament voltage (ACorDC),V ................. 10.5-11.5

  • voltage (ACorDC),V [2]

    -11.5 V

    Hanpsi»keHue Hakana (nepemMeHHoe unu Filament voltage (ACorDC),V ................. 10.5-11.5

  • current, A

    280 A

    nocTosHHoe), B Filament starting current, A . ................... 280

  • voltage (DC),kV [1]

    280 kV

    [MyckoBOV TOK HaKana, A ...................... 280 Anode voltage (DC),kV ......... ... ... ........ 11

  • voltage (DC),kV [2]

    11 kV

    [MyckoBOV TOK HaKana, A ...................... 280 Anode voltage (DC),kV ......... ... ... ........ 11

  • voltage (instantaneous [1]

    11 V

    aHoZa (MOCTOAHHOE) . .. ..o 1,1-10* Negative grid 1 voltage (instantaneous

  • voltage (instantaneous [2]

    -10 V

    aHoZa (MOCTOAHHOE) . .. ..o 1,1-10* Negative grid 1 voltage (instantaneous

  • voltage (instantaneous [3]

    1 V

    aHoZa (MOCTOAHHOE) . .. ..o 1,1-10* Negative grid 1 voltage (instantaneous

  • anode [1]

    3

    MrHOBEHHOE 3HaYeHune (abconioTHan anode ... 3-10°

  • anode [2]

    3

    MrHOBEHHOE 3HaYeHune (abconioTHan anode ... 3-10°

  • anode [3]

    -10

    MrHOBEHHOE 3HaYeHune (abconioTHan anode ... 3-10°

  • frequency, MHz [1]

    30 MHz

    AHOAOM . oottt 30-10° Operating frequency, MHz ... .................. 75

  • frequency, MHz [2]

    -10 MHz

    AHOAOM . oottt 30-10° Operating frequency, MHz ... .................. 75

  • frequency, MHz [3]

    75 MHz

    AHOAOM . oottt 30-10° Operating frequency, MHz ... .................. 75

  • temperature,°C ... ... ... oL [1]

    900 C

    BTOPOM CETKOM . . .o ovit i 900 Anode temperature,°C ... ... ... oL 250

  • temperature,°C ... ... ... oL [2]

    250 C

    BTOPOM CETKOM . . .o ovit i 900 Anode temperature,°C ... ... ... oL 250

  • Temperature at hottest point of envelope, °C [1]

    300 C

    NEPBOA CETKOM . ...t o i e 300 Temperature at hottest point of envelope, °C .. .... 200

  • Temperature at hottest point of envelope, °C [2]

    200 C

    NEPBOA CETKOM . ...t o i e 300 Temperature at hottest point of envelope, °C .. .... 200