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Power - Tetrode (NOT beam) ·Tetrode

GU84B

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
27 V / -

Description

The GU-84B tetrode is used in sideband signal-amplifier circuits in RF equipment at frequencies up to 250 MHz. It has an indirectly heated oxide-coated cathode, metal-ceramic envelope, 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
27 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
4250 V
Max screen voltage
400 V

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

  • sideband signal amplifier cir- N

    99

    sideband signal amplifier cir- N 99

  • power amplifiers +

    7 W

    cuits and as power amplifiers +7 I

  • grid [1]

    1

    , \ K — cathode; T ~ heater; C1 — grid 1; C2 — grid 2;

  • grid [2]

    2

    , \ K — cathode; T ~ heater; C1 — grid 1; C2 — grid 2;

  • anode

    1

    y'a 1 ol g K’Q A - anode

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

    147 C

    CYCKOPEHWeM, M/C? .. ... ... ... . . .. . ... . ... 147 Ambient temperature,°C . ....... ... ... ....... —-10t0 +70

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

    -10 C

    CYCKOPEHWeM, M/C? .. ... ... ... . . .. . ... . ... 147 Ambient temperature,°C . ....... ... ... ....... —-10t0 +70

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

    70 C

    CYCKOPEHWeM, M/C? .. ... ... ... . . .. . ... . ... 147 Ambient temperature,°C . ....... ... ... ....... —-10t0 +70

  • voltage

    750 V

    HanpshkeHve cmelleHns oTpulaTensHoe Negative bias voltage (at anode voltage 750 V,

  • current [1]

    750 mA

    (npw Hanpskenun aHoaa 750 B, HanpsbkeHnn grid 2 voltage 375 V, anode current 2,000 mA),

  • current [2]

    2 mA

    (npw Hanpskenun aHoaa 750 B, HanpsbkeHnn grid 2 voltage 375 V, anode current 2,000 mA),

  • current [3]

    375 mA

    (npw Hanpskenun aHoaa 750 B, HanpsbkeHnn grid 2 voltage 375 V, anode current 2,000 mA),

  • current [4]

    2000 mA

    (npw Hanpskenun aHoaa 750 B, HanpsbkeHnn grid 2 voltage 375 V, anode current 2,000 mA),

  • grid [1]

    3 V

    abconoTHoe 3HadeHune, B .. ... ... L 10-50 Grid 1 cutoff voltage (at anode voltage 2,000 V., grid 2

  • grid [2]

    10 V

    abconoTHoe 3HadeHune, B .. ... ... L 10-50 Grid 1 cutoff voltage (at anode voltage 2,000 V., grid 2

  • grid [3]

    -50 V

    abconoTHoe 3HadeHune, B .. ... ... L 10-50 Grid 1 cutoff voltage (at anode voltage 2,000 V., grid 2

  • grid [4]

    1 V

    abconoTHoe 3HadeHune, B .. ... ... L 10-50 Grid 1 cutoff voltage (at anode voltage 2,000 V., grid 2

  • grid [5]

    2000 V

    abconoTHoe 3HadeHune, B .. ... ... L 10-50 Grid 1 cutoff voltage (at anode voltage 2,000 V., grid 2

  • grid [6]

    2 V

    abconoTHoe 3HadeHune, B .. ... ... L 10-50 Grid 1 cutoff voltage (at anode voltage 2,000 V., grid 2

  • resistance [1]

    3 mA

    HanpsxeHue 3anvMpaHusa Ha Nnepeon ceTke voltage 375V, anode current 20 mA, anode resistance

  • resistance [2]

    375 mA

    HanpsxeHue 3anvMpaHusa Ha Nnepeon ceTke voltage 375V, anode current 20 mA, anode resistance

  • resistance [3]

    20 mA

    HanpsxeHue 3anvMpaHusa Ha Nnepeon ceTke voltage 375V, anode current 20 mA, anode resistance

  • grid [1]

    375 mA

    BTOpon ceTku 375 B, Toke aHoga 20 MA, Zero anode current (at anode voitage 250 V, grid 2

  • grid [2]

    20 mA

    BTOpon ceTku 375 B, Toke aHoga 20 MA, Zero anode current (at anode voitage 250 V, grid 2

  • grid [3]

    250 mA

    BTOpon ceTku 375 B, Toke aHoga 20 MA, Zero anode current (at anode voitage 250 V, grid 2

  • grid [4]

    2 mA

    BTOpon ceTku 375 B, Toke aHoga 20 MA, Zero anode current (at anode voitage 250 V, grid 2

  • voltage [1]

    5 V

    conpoTusnerHun B yenu aHoga 0,5 kOm), voltage 375 V, grid 1 voltage 0), A .. ............. 3.5-6

  • voltage [2]

    375 V

    conpoTusnerHun B yenu aHoga 0,5 kOm), voltage 375 V, grid 1 voltage 0), A .. ............. 3.5-6

  • voltage [3]

    1 V

    conpoTusnerHun B yenu aHoga 0,5 kOm), voltage 375 V, grid 1 voltage 0), A .. ............. 3.5-6

  • voltage [4]

    0 V

    conpoTusnerHun B yenu aHoga 0,5 kOm), voltage 375 V, grid 1 voltage 0), A .. ............. 3.5-6

  • voltage [5]

    3.5 V

    conpoTusnerHun B yenu aHoga 0,5 kOm), voltage 375 V, grid 1 voltage 0), A .. ............. 3.5-6

  • voltage [6]

    -6 V

    conpoTusnerHun B yenu aHoga 0,5 kOm), voltage 375 V, grid 1 voltage 0), A .. ............. 3.5-6

  • anode voitage [1]

    150 A

    .. 150 Grid 1 reverse current (at anode voitage 1,000 V,

  • anode voitage [2]

    1 A

    .. 150 Grid 1 reverse current (at anode voitage 1,000 V,

  • anode voitage [3]

    1000 A

    .. 150 Grid 1 reverse current (at anode voitage 1,000 V,

  • current [1]

    250 mA

    Hyneso#n Tok aHoga (npw Hanpsi>xeHun aHoaa 250 B, grid 2 voltage 375 V, anode current 2,000 mA),

  • current [2]

    2 mA

    Hyneso#n Tok aHoga (npw Hanpsi>xeHun aHoaa 250 B, grid 2 voltage 375 V, anode current 2,000 mA),

  • current [3]

    375 mA

    Hyneso#n Tok aHoga (npw Hanpsi>xeHun aHoaa 250 B, grid 2 voltage 375 V, anode current 2,000 mA),

  • current [4]

    2000 mA

    Hyneso#n Tok aHoga (npw Hanpsi>xeHun aHoaa 250 B, grid 2 voltage 375 V, anode current 2,000 mA),

  • voltage [1]

    35 A

    nepon ceTkKMOB), A ... .. ... .. ... .. .. ... 3,5-6 Grid 2 current (at anode voltage 750 V,

  • voltage [2]

    -6 A

    nepon ceTkKMOB), A ... .. ... .. ... .. .. ... 3,5-6 Grid 2 current (at anode voltage 750 V,

  • voltage [3]

    2 A

    nepon ceTkKMOB), A ... .. ... .. ... .. .. ... 3,5-6 Grid 2 current (at anode voltage 750 V,

  • voltage [4]

    750 A

    nepon ceTkKMOB), A ... .. ... .. ... .. .. ... 3,5-6 Grid 2 current (at anode voltage 750 V,

  • current [1]

    2 A

    O6paTHbIA TOK NepBO#A CETKU (NPYU HANPSXKEHUM grid 2 voltage 375 V, anode current

  • current [2]

    375 A

    O6paTHbIA TOK NepBO#A CETKU (NPYU HANPSXKEHUM grid 2 voltage 375 V, anode current

  • anode voitage [1]

    2000 uS

    TOke aHoga 2000 mA), MKA, He 6onee . ... ...... .. 80 Mutual conductance (at anode voitage 750 V,

  • anode voitage [2]

    6 uS

    TOke aHoga 2000 mA), MKA, He 6onee . ... ...... .. 80 Mutual conductance (at anode voitage 750 V,

  • anode voitage [3]

    80 uS

    TOke aHoga 2000 mA), MKA, He 6onee . ... ...... .. 80 Mutual conductance (at anode voitage 750 V,

  • anode voitage [4]

    750 uS

    TOke aHoga 2000 mA), MKA, He 6onee . ... ...... .. 80 Mutual conductance (at anode voitage 750 V,

  • current [1]

    750 A

    Tok BTOpO# ceTku (Npu Hanpsxenuun aHoga 750 B, grid 2 voltage 375 V, anode current

  • current [2]

    2 A

    Tok BTOpO# ceTku (Npu Hanpsxenuun aHoga 750 B, grid 2 voltage 375 V, anode current

  • current [3]

    375 A

    Tok BTOpO# ceTku (Npu Hanpsxenuun aHoga 750 B, grid 2 voltage 375 V, anode current

  • power under conditions of class AB; at [1]

    2000 W

    2000 MA), MA ... —25-+60 Output power under conditions of class AB; at

  • power under conditions of class AB; at [2]

    -25 W

    2000 MA), MA ... —25-+60 Output power under conditions of class AB; at

  • power under conditions of class AB; at [3]

    60 W

    2000 MA), MA ... —25-+60 Output power under conditions of class AB; at

  • anode voitage [1]

    0.1

    KpyTuaHa xapakTepvcTUKN (Npy Hanps>xeHun aHoaa frequencies 0.1-1 MHz (at anode voitage 2,000 V,

  • anode voitage [2]

    -1

    KpyTuaHa xapakTepvcTUKN (Npy Hanps>xeHun aHoaa frequencies 0.1-1 MHz (at anode voitage 2,000 V,

  • anode voitage [3]

    2000

    KpyTuaHa xapakTepvcTUKN (Npy Hanps>xeHun aHoaa frequencies 0.1-1 MHz (at anode voitage 2,000 V,

  • current at least [1]

    750 mA

    750 B, HanpsixeHun BTopon ceTku 375 B, Toke aHoaa grid 2 voltage 375 V, grid 2 current at least 80 mA

  • current at least [2]

    375 mA

    750 B, HanpsixeHun BTopon ceTku 375 B, Toke aHoaa grid 2 voltage 375 V, grid 2 current at least 80 mA

  • current at least [3]

    2 mA

    750 B, HanpsixeHun BTopon ceTku 375 B, Toke aHoaa grid 2 voltage 375 V, grid 2 current at least 80 mA

  • current at least [4]

    375 mA

    750 B, HanpsixeHun BTopon ceTku 375 B, Toke aHoaa grid 2 voltage 375 V, grid 2 current at least 80 mA

  • current at least [5]

    2 mA

    750 B, HanpsixeHun BTopon ceTku 375 B, Toke aHoaa grid 2 voltage 375 V, grid 2 current at least 80 mA

  • current at least [6]

    80 mA

    750 B, HanpsixeHun BTopon ceTku 375 B, Toke aHoaa grid 2 voltage 375 V, grid 2 current at least 80 mA

  • grid [1]

    1 MHz

    B pexume knacca AB; HavacTtoTe 0,1-1 My frequency 250 MHz (at anode voltage 2,000 V, grid 2

  • grid [2]

    -1 MHz

    B pexume knacca AB; HavacTtoTe 0,1-1 My frequency 250 MHz (at anode voltage 2,000 V, grid 2

  • grid [3]

    250 MHz

    B pexume knacca AB; HavacTtoTe 0,1-1 My frequency 250 MHz (at anode voltage 2,000 V, grid 2

  • grid [4]

    2000 MHz

    B pexume knacca AB; HavacTtoTe 0,1-1 My frequency 250 MHz (at anode voltage 2,000 V, grid 2

  • grid [5]

    2 MHz

    B pexume knacca AB; HavacTtoTe 0,1-1 My frequency 250 MHz (at anode voltage 2,000 V, grid 2

  • current [1]

    2000 mA

    (npv HanpsxeHUn aHoaa 2000 B, HanpsixkeHwun voltage 375 V, anode current 1,500 mA, grid 2 current

  • current [2]

    375 mA

    (npv HanpsxeHUn aHoaa 2000 B, HanpsixkeHwun voltage 375 V, anode current 1,500 mA, grid 2 current

  • current [3]

    1500 mA

    (npv HanpsxeHUn aHoaa 2000 B, HanpsixkeHwun voltage 375 V, anode current 1,500 mA, grid 2 current

  • current [4]

    2 mA

    (npv HanpsxeHUn aHoaa 2000 B, HanpsixkeHwun voltage 375 V, anode current 1,500 mA, grid 2 current

  • current at most [1]

    375 mA

    BTOpOW ceTkM 375 B, TOKE BTOPOW CETKU (a6CONI0THOE atleast 60 mA, grid 1 current at most 4 mA),

  • current at most [2]

    60 mA

    BTOpOW ceTkM 375 B, TOKE BTOPOW CETKU (a6CONI0THOE atleast 60 mA, grid 1 current at most 4 mA),

  • current at most [3]

    1 mA

    BTOpOW ceTkM 375 B, TOKE BTOPOW CETKU (a6CONI0THOE atleast 60 mA, grid 1 current at most 4 mA),

  • current at most [4]

    4 mA

    BTOpOW ceTkM 375 B, TOKE BTOPOW CETKU (a6CONI0THOE atleast 60 mA, grid 1 current at most 4 mA),

  • input [1]

    250

    250 Mly (npu HanpsbkeHun aHoga input ... 90-115

  • input [2]

    90

    250 Mly (npu HanpsbkeHun aHoga input ... 90-115

  • input [3]

    -115

    250 Mly (npu HanpsbkeHun aHoga input ... 90-115

  • output [1]

    2000

    2000 B, Hanps»xeHnn BTOpon ceTkn 375 B, output .. ... 18-23

  • output [2]

    375

    2000 B, Hanps»xeHnn BTOpon ceTkn 375 B, output .. ... 18-23

  • output [3]

    18

    2000 B, Hanps»xeHnn BTOpon ceTkn 375 B, output .. ... 18-23

  • output [4]

    -23

    2000 B, Hanps»xeHnn BTOpon ceTkn 375 B, output .. ... 18-23

  • voltage (ACorDC),V [1]

    256 V

    ... .. .. 25,6-28,4 Heater voltage (ACorDC),V . ... ... ... ... ... 25.6-28.4

  • voltage (ACorDC),V [2]

    -284 V

    ... .. .. 25,6-28,4 Heater voltage (ACorDC),V . ... ... ... ... ... 25.6-28.4

  • voltage (ACorDC),V [3]

    25.6 V

    ... .. .. 25,6-28,4 Heater voltage (ACorDC),V . ... ... ... ... ... 25.6-28.4

  • voltage (ACorDC),V [4]

    -28.4 V

    ... .. .. 25,6-28,4 Heater voltage (ACorDC),V . ... ... ... ... ... 25.6-28.4

  • voltage (DC), absolute

    1 V

    HanpsxeHune nepBon CETKN OTpULaTeNbHOe Negative grid 1 voltage (DC), absolute

  • voltage (amplitude value), V [1]

    3 V

    BxogHoe HanpsikeHue (aMnnuTygHoe 3HaqveHue), B . 150 Input voltage (amplitude value), V. ............... 150

  • voltage (amplitude value), V [2]

    150 V

    BxogHoe HanpsikeHue (aMnnuTygHoe 3HaqveHue), B . 150 Input voltage (amplitude value), V. ............... 150

  • voltage (amplitude value), V [3]

    150 V

    BxogHoe HanpsikeHue (aMnnuTygHoe 3HaqveHue), B . 150 Input voltage (amplitude value), V. ............... 150