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

GU73P

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-73P tetrode is used for single-sideband power amplification 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
Transconductance
0.065 S
Amplification factor
37
Max plate voltage
3000 V
Max screen voltage
325 V
Max plate dissipation
2500 W
Max screen dissipation
35 W
Max grid dissipation
5 W
Max cathode current
2.2 A

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

  • Cathode: indirectly heated, oxide-coated [1]

    358106

    Cathode: indirectly heated, oxide-coated. 358106 2ull

  • Cathode: indirectly heated, oxide-coated [2]

    2

    Cathode: indirectly heated, oxide-coated. 358106 2ull

  • anode [1]

    1

    1, 2 - heater; K — cathode; C7 — grid 1; C2 —grid 2; A— anode

  • anode [2]

    2

    1, 2 - heater; K — cathode; C7 — grid 1; C2 —grid 2; A— anode

  • anode [3]

    1

    1, 2 - heater; K — cathode; C7 — grid 1; C2 —grid 2; A— anode

  • anode [4]

    2

    1, 2 - heater; K — cathode; C7 — grid 1; C2 —grid 2; A— anode

  • temperature, °C

    -60 C

    JIMHEMHDBIE . . . .. et Lowest permissible ambient temperature, °C .. .. ... -60

  • voltage (ACorDC),V [1]

    27 V

    Hanpsxxenvne Hakana (~vwim =),B .............. 27 Heater voltage (ACorDC),V . .................. 27

  • voltage (ACorDC),V [2]

    27 V

    Hanpsxxenvne Hakana (~vwim =),B .............. 27 Heater voltage (ACorDC),V . .................. 27

  • voltage, kV ......... .. ... .. L

    1.7 kV

    Hanpsi>xenue, B: Anode voltage, kV ......... .. ... .. L 1.7

  • voltage, V [1]

    250 V

    CETKUBTOPOM ... ..ttt i 250 Negative grid 1 bias voltage, V .. ................ 1840

  • voltage, V [2]

    1 V

    CETKUBTOPOM ... ..ttt i 250 Negative grid 1 bias voltage, V .. ................ 1840

  • voltage, V [3]

    1840 V

    CETKUBTOPOM ... ..ttt i 250 Negative grid 1 bias voltage, V .. ................ 1840

  • voltage, V,atmost [1]

    18 V

    CMELLIeHUA CEeTKU MEPBOA .. ... .............. MuHyc 18—40 Negative cutoff voltage, V,atmost ............... 120

  • voltage, V,atmost [2]

    -40 V

    CMELLIeHUA CEeTKU MEPBOA .. ... .............. MuHyc 18—40 Negative cutoff voltage, V,atmost ............... 120

  • voltage, V,atmost [3]

    120 V

    CMELLIeHUA CEeTKU MEPBOA .. ... .............. MuHyc 18—40 Negative cutoff voltage, V,atmost ............... 120

  • Mutual conductance, mA/V, atleast [1]

    15 mA/V

    AHOAA ... oot 1,5-10% Mutual conductance, mA/V, atleast .............. 65

  • Mutual conductance, mA/V, atleast [2]

    -10 mA/V

    AHOAA ... oot 1,5-10% Mutual conductance, mA/V, atleast .............. 65

  • Mutual conductance, mA/V, atleast [3]

    65 mA/V

    AHOAA ... oot 1,5-10% Mutual conductance, mA/V, atleast .............. 65

  • grid2) [1]

    130

    CETKUBTOPOM ...« .iv it MuRyc 130 Gain coefficient (grid 1 grid2) . .................. 37

  • grid2) [2]

    1

    CETKUBTOPOM ...« .iv it MuRyc 130 Gain coefficient (grid 1 grid2) . .................. 37

  • grid2) [3]

    37

    CETKUBTOPOM ...« .iv it MuRyc 130 Gain coefficient (grid 1 grid2) . .................. 37

  • Voltage level of combination frequencies of third

    65 V

    KpyTuana xapaktepuctuku, MA/B, He meHee . .. ... 65 Voltage level of combination frequencies of third

  • grid [1]

    3 kV

    KoahuUMeHT yCuneHma ceTkn nepson and fifth orders (at anode voltage 3 kV, grid 2

  • grid [2]

    2 kV

    KoahuUMeHT yCuneHma ceTkn nepson and fifth orders (at anode voltage 3 kV, grid 2

  • current [1]

    3 mA

    OTHOCUTESIBHO CETKU BTOPOW . . . .. oo e ve e . 3-7 voltage 300 V, anode current 750 mA, grid 2 current

  • current [2]

    -7 mA

    OTHOCUTESIBHO CETKU BTOPOW . . . .. oo e ve e . 3-7 voltage 300 V, anode current 750 mA, grid 2 current

  • current [3]

    300 mA

    OTHOCUTESIBHO CETKU BTOPOW . . . .. oo e ve e . 3-7 voltage 300 V, anode current 750 mA, grid 2 current

  • current [4]

    750 mA

    OTHOCUTESIBHO CETKU BTOPOW . . . .. oo e ve e . 3-7 voltage 300 V, anode current 750 mA, grid 2 current

  • current [5]

    2 mA

    OTHOCUTESIBHO CETKU BTOPOW . . . .. oo e ve e . 3-7 voltage 300 V, anode current 750 mA, grid 2 current

  • power under conditions of class AB [1]

    3 W

    3 kB, HanpsixeHuu ceTky BTopon 300 B, Toke aHoaa Oscillatory power under conditions of class AB,

  • power under conditions of class AB [2]

    300 W

    3 kB, HanpsixeHuu ceTky BTopon 300 B, Toke aHoaa Oscillatory power under conditions of class AB,

  • anode [1]

    750 kV

    750 MA, TOKe CeTKM BTOpo# He 6onee 110 MA), (at anode voltage 3 kV, grid 2 voltage 300 V, anode

  • anode [2]

    6 kV

    750 MA, TOKe CeTKM BTOpo# He 6onee 110 MA), (at anode voltage 3 kV, grid 2 voltage 300 V, anode

  • anode [3]

    110 kV

    750 MA, TOKe CeTKM BTOpo# He 6onee 110 MA), (at anode voltage 3 kV, grid 2 voltage 300 V, anode

  • anode [4]

    3 kV

    750 MA, TOKe CeTKM BTOpo# He 6onee 110 MA), (at anode voltage 3 kV, grid 2 voltage 300 V, anode

  • anode [5]

    2 kV

    750 MA, TOKe CeTKM BTOpo# He 6onee 110 MA), (at anode voltage 3 kV, grid 2 voltage 300 V, anode

  • anode [6]

    300 kV

    750 MA, TOKe CeTKM BTOpo# He 6onee 110 MA), (at anode voltage 3 kV, grid 2 voltage 300 V, anode

  • current at most [1]

    -30 mA

    Ab,HebBonee ............. ... ... ..., -30 current 750 mA, grid 2 current at most 110 mA),

  • current at most [2]

    750 mA

    Ab,HebBonee ............. ... ... ..., -30 current 750 mA, grid 2 current at most 110 mA),

  • current at most [3]

    2 mA

    Ab,HebBonee ............. ... ... ..., -30 current 750 mA, grid 2 current at most 110 mA),

  • current at most [4]

    110 mA

    Ab,HebBonee ............. ... ... ..., -30 current 750 mA, grid 2 current at most 110 mA),

  • input [1]

    3

    (npu Hanps>xeHun aHoAa 3 KB, HanpsXeHnn ceTku input .. ... 190

  • input [2]

    190

    (npu Hanps>xeHun aHoAa 3 KB, HanpsXeHnn ceTku input .. ... 190

  • output [1]

    300

    sTopon 300 B, Toke aHoaa 750 MA, TOKe CETKHU output . ... . 27

  • output [2]

    750

    sTopon 300 B, Toke aHoaa 750 MA, TOKe CETKHU output . ... . 27

  • output [3]

    27

    sTopon 300 B, Toke aHoaa 750 MA, TOKe CETKHU output . ... . 27

  • voltage (DC), kV ... ... . il

    3 kV

    Haubonbuwee HanpsixeHue, B: Anode voltage (DC), kV ... ... . il 3

  • voltage, V [1]

    325 V

    CETKW BTOPOW, MOCTOAIHHOE . ... .. ........... 325 Negativegrid 1 voltage, V...................... 150

  • voltage, V [2]

    1 V

    CETKW BTOPOW, MOCTOAIHHOE . ... .. ........... 325 Negativegrid 1 voltage, V...................... 150

  • voltage, V [3]

    150 V

    CETKW BTOPOW, MOCTOAIHHOE . ... .. ........... 325 Negativegrid 1 voltage, V...................... 150

  • dissipation, kW

    150 kW

    OTPULATESNTLHOE CETKU NMEPBONA . . . . ... .. ... ... 150 Anode dissipation, kW:

  • Haw6onbluas MoLHOCT, paccemBaemas single-sideband signal amplification

    2.5

    Haw6onbluas MoLHOCT, paccemBaemas single-sideband signal amplification . .......... 2.5

  • aHoaoM, KBT: TV signal amplification

    35

    aHoaoM, KBT: TV signal amplification ..................... 35

  • dissipation, W [1]

    0 W

    nNp1 YCUNEeHWU 0gHONONOCHOTO Grid 2 dissipation, W ...................... ... 35

  • dissipation, W [2]

    2 W

    nNp1 YCUNEeHWU 0gHONONOCHOTO Grid 2 dissipation, W ...................... ... 35

  • dissipation, W [3]

    35 W

    nNp1 YCUNEeHWU 0gHONONOCHOTO Grid 2 dissipation, W ...................... ... 35

  • dissipation, W [1]

    25 W

    CUTHAIIA . . .ttt ettt e e et e e 2,5 Grid 1 dissipation, W . ...........

  • dissipation, W [2]

    1 W

    CUTHAIIA . . .ttt ettt e e et e e 2,5 Grid 1 dissipation, W . ...........

  • current (DC component), A

    2.2 A

    npy yCUNEeHUy TENEBU3UOHHOTO Cathode current (DC component), A ............. 2.2

  • current (instantaneous value), A [1]

    5 A

    [ Lot = 5 - 3,5 Anode current (instantaneous value), A ........... 7

  • current (instantaneous value), A [2]

    35 A

    [ Lot = 5 - 3,5 Anode current (instantaneous value), A ........... 7

  • current (instantaneous value), A [3]

    7 A

    [ Lot = 5 - 3,5 Anode current (instantaneous value), A ........... 7

  • frequency, MHz

    250 MHz

    PaccenBaemas mowHoCTb HavbonbLas, BT: Operating frequency, MHz .. ................... 250

  • anode, ster and seals,°C [1]

    35 C

    CETKOM BTOPOM ... oot iiiii e aiannn s 35 Temperature at anode, ster and seals,°C ........ 200

  • anode, ster and seals,°C [2]

    200 C

    CETKOM BTOPOM ... oot iiiii e aiannn s 35 Temperature at anode, ster and seals,°C ........ 200

  • Anode Characteristic Curves: c:lir;%evd; z::gesggavractenstlc Curves: : _; g::g:::: E:g

    31

    Averaged Anode Characteristic Curves: c:lir;%evd; z::gesggavractenstlc Curves: : _; g::g:::: E:g 31:: :;:gg:;;