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Power - Tetrode (NOT beam) ·Tetrode

GU72

Soviet transmitting tetrode specifically for single-sideband RF power amplification to approximately 100 MHz.

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

Description

The GU-72 tetrode is used for single-sideband power amplification at frequencies up to 100 MHz in RF transmitters.

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
26 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
1800 V
Max screen voltage
700 V
Max screen dissipation
15 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

    72 W

    The 'Y-72 tetrode is used for single-sideband power

  • amplification at frequencies up to

    100

    amplification at frequencies up to 100 MHz in RF trans-

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

    3

    Cathode: indirectly heated, oxide-coated. 3, 7, 10 — ceTka BTOpan; 6 — NogorpesaTenb; A — aHOA; | — KOHTAKTUpPYIOLan

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

    7

    Cathode: indirectly heated, oxide-coated. 3, 7, 10 — ceTka BTOpan; 6 — NogorpesaTenb; A — aHOA; | — KOHTAKTUpPYIOLan

  • Cathode: indirectly heated, oxide-coated [3]

    10

    Cathode: indirectly heated, oxide-coated. 3, 7, 10 — ceTka BTOpan; 6 — NogorpesaTenb; A — aHOA; | — KOHTAKTUpPYIOLan

  • Cathode: indirectly heated, oxide-coated [4]

    6

    Cathode: indirectly heated, oxide-coated. 3, 7, 10 — ceTka BTOpan; 6 — NogorpesaTenb; A — aHOA; | — KOHTAKTUpPYIOLan

  • heater; A [1]

    1

    1, 4, 8 — cathode and heater; 2, 5, 9 - grid 1; 3, 7, 70 — grid 2; 6 — heater; A -

  • heater; A [2]

    4

    1, 4, 8 — cathode and heater; 2, 5, 9 - grid 1; 3, 7, 70 — grid 2; 6 — heater; A -

  • heater; A [3]

    8

    1, 4, 8 — cathode and heater; 2, 5, 9 - grid 1; 3, 7, 70 — grid 2; 6 — heater; A -

  • heater; A [4]

    2

    1, 4, 8 — cathode and heater; 2, 5, 9 - grid 1; 3, 7, 70 — grid 2; 6 — heater; A -

  • heater; A [5]

    5

    1, 4, 8 — cathode and heater; 2, 5, 9 - grid 1; 3, 7, 70 — grid 2; 6 — heater; A -

  • heater; A [6]

    9

    1, 4, 8 — cathode and heater; 2, 5, 9 - grid 1; 3, 7, 70 — grid 2; 6 — heater; A -

  • heater; A [7]

    1

    1, 4, 8 — cathode and heater; 2, 5, 9 - grid 1; 3, 7, 70 — grid 2; 6 — heater; A -

  • heater; A [8]

    3

    1, 4, 8 — cathode and heater; 2, 5, 9 - grid 1; 3, 7, 70 — grid 2; 6 — heater; A -

  • heater; A [9]

    7

    1, 4, 8 — cathode and heater; 2, 5, 9 - grid 1; 3, 7, 70 — grid 2; 6 — heater; A -

  • heater; A [10]

    70

    1, 4, 8 — cathode and heater; 2, 5, 9 - grid 1; 3, 7, 70 — grid 2; 6 — heater; A -

  • heater; A [11]

    2

    1, 4, 8 — cathode and heater; 2, 5, 9 - grid 1; 3, 7, 70 — grid 2; 6 — heater; A -

  • heater; A [12]

    6

    1, 4, 8 — cathode and heater; 2, 5, 9 - grid 1; 3, 7, 70 — grid 2; 6 — heater; A -

  • anode; / - contact surface

    115

    Height: at most 115 mm. anode; / - contact surface

  • voltage

    300 uS

    KpyTu3Ha xapakTepucTUKK (NPpU HanpsKeHusIX Mutual conductance (at anode voltage 300 V,

  • voltage change + [1]

    300 V

    anopa 300 B, sTopoi ceTku 250 B, usmerHerum grid 2 voltage 250 V, grid 1 voltage change + 2.5V,

  • voltage change + [2]

    250 V

    anopa 300 B, sTopoi ceTku 250 B, usmerHerum grid 2 voltage 250 V, grid 1 voltage change + 2.5V,

  • voltage change + [3]

    2 V

    anopa 300 B, sTopoi ceTku 250 B, usmerHerum grid 2 voltage 250 V, grid 1 voltage change + 2.5V,

  • voltage change + [4]

    250 V

    anopa 300 B, sTopoi ceTku 250 B, usmerHerum grid 2 voltage 250 V, grid 1 voltage change + 2.5V,

  • voltage change + [5]

    1 V

    anopa 300 B, sTopoi ceTku 250 B, usmerHerum grid 2 voltage 250 V, grid 1 voltage change + 2.5V,

  • voltage change + [6]

    2.5 V

    anopa 300 B, sTopoi ceTku 250 B, usmerHerum grid 2 voltage 250 V, grid 1 voltage change + 2.5V,

  • current [1]

    25 uA

    HanNpshKeHuA nepson ceTkn +2,5 B, Toke anode current 270 mA), mA/V . ................. 15-23

  • current [2]

    270 uA

    HanNpshKeHuA nepson ceTkn +2,5 B, Toke anode current 270 mA), mA/V . ................. 15-23

  • current [3]

    15 uA

    HanNpshKeHuA nepson ceTkn +2,5 B, Toke anode current 270 mA), mA/V . ................. 15-23

  • current [4]

    -23 uA

    HanNpshKeHuA nepson ceTkn +2,5 B, Toke anode current 270 mA), mA/V . ................. 15-23

  • voltage [1]

    270 V

    aHona 270 MA), MA/B . ... ... 15-23 Gain coefficient (grid 1—grid 2) (at anode voltage 300 V,

  • voltage [2]

    15 V

    aHona 270 MA), MA/B . ... ... 15-23 Gain coefficient (grid 1—grid 2) (at anode voltage 300 V,

  • voltage [3]

    -23 V

    aHona 270 MA), MA/B . ... ... 15-23 Gain coefficient (grid 1—grid 2) (at anode voltage 300 V,

  • voltage [4]

    1 V

    aHona 270 MA), MA/B . ... ... 15-23 Gain coefficient (grid 1—grid 2) (at anode voltage 300 V,

  • voltage [5]

    2 V

    aHona 270 MA), MA/B . ... ... 15-23 Gain coefficient (grid 1—grid 2) (at anode voltage 300 V,

  • voltage [6]

    300 V

    aHona 270 MA), MA/B . ... ... 15-23 Gain coefficient (grid 1—grid 2) (at anode voltage 300 V,

  • current [1]

    1 mA

    KoahmuueHT yeunexuns nepsom CETKU 1o BTOpon grid 2 voltage 200-250 V, anode current 270 mA) . .. 7-12

  • current [2]

    2 mA

    KoahmuueHT yeunexuns nepsom CETKU 1o BTOpon grid 2 voltage 200-250 V, anode current 270 mA) . .. 7-12

  • current [3]

    200 mA

    KoahmuueHT yeunexuns nepsom CETKU 1o BTOpon grid 2 voltage 200-250 V, anode current 270 mA) . .. 7-12

  • current [4]

    -250 mA

    KoahmuueHT yeunexuns nepsom CETKU 1o BTOpon grid 2 voltage 200-250 V, anode current 270 mA) . .. 7-12

  • current [5]

    270 mA

    KoahmuueHT yeunexuns nepsom CETKU 1o BTOpon grid 2 voltage 200-250 V, anode current 270 mA) . .. 7-12

  • current [6]

    7 mA

    KoahmuueHT yeunexuns nepsom CETKU 1o BTOpon grid 2 voltage 200-250 V, anode current 270 mA) . .. 7-12

  • current [7]

    -12 mA

    KoahmuueHT yeunexuns nepsom CETKU 1o BTOpon grid 2 voltage 200-250 V, anode current 270 mA) . .. 7-12

  • voltage, V,atmost [1]

    300 V

    ceTke (npu Hanps>keHusAx aHoga 300 B, BTopon Negative cutoff voltage, V,atmost ............... 220

  • voltage, V,atmost [2]

    220 V

    ceTke (npu Hanps>keHusAx aHoga 300 B, BTopon Negative cutoff voltage, V,atmost ............... 220

  • Interelectrode capacitance, pF [1]

    200 pF

    ceTku 200-250 B, Toke aHoga 270 MA) . ... ..... .. 7-12 Interelectrode capacitance, pF:

  • Interelectrode capacitance, pF [2]

    -250 pF

    ceTku 200-250 B, Toke aHoga 270 MA) . ... ..... .. 7-12 Interelectrode capacitance, pF:

  • Interelectrode capacitance, pF [3]

    270 pF

    ceTku 200-250 B, Toke aHoga 270 MA) . ... ..... .. 7-12 Interelectrode capacitance, pF:

  • Interelectrode capacitance, pF [4]

    7 pF

    ceTku 200-250 B, Toke aHoga 270 MA) . ... ..... .. 7-12 Interelectrode capacitance, pF:

  • Interelectrode capacitance, pF [5]

    -12 pF

    ceTku 200-250 B, Toke aHoga 270 MA) . ... ..... .. 7-12 Interelectrode capacitance, pF:

  • input,atmost

    3

    Hanps>xeHve 3annpaHusi oTpuLaTensHoe, input,atmost . ........

  • output [1]

    220

    B,HEGONEGE . ........ . .. 220 output ... 5-10

  • output [2]

    5

    B,HEGONEGE . ........ . .. 220 output ... 5-10

  • output [3]

    -10

    B,HEGONEGE . ........ . .. 220 output ... 5-10

  • voltage [1]

    5 V

    BBIXOAHAM ...ttt ie it 5-10 (at anode voltage 800 V, grid 2 voltage 300 V,

  • voltage [2]

    -10 V

    BBIXOAHAM ...ttt ie it 5-10 (at anode voltage 800 V, grid 2 voltage 300 V,

  • voltage [3]

    800 V

    BBIXOAHAM ...ttt ie it 5-10 (at anode voltage 800 V, grid 2 voltage 300 V,

  • voltage [4]

    2 V

    BBIXOAHAM ...ttt ie it 5-10 (at anode voltage 800 V, grid 2 voltage 300 V,

  • voltage [5]

    300 V

    BBIXOAHAM ...ttt ie it 5-10 (at anode voltage 800 V, grid 2 voltage 300 V,

  • current [1]

    1 mA

    MPOXOAHAN .. o i vttt et ee s 0,1 anode current 68 mA), W, atleast ...............

  • current [2]

    68 mA

    MPOXOAHAN .. o i vttt et ee s 0,1 anode current 68 mA), W, atleast ...............

  • power over

    1000 W

    MowHOCTb BbIXOAHas B pexkume knacca AB npu Output power over 1,000 h of service, W ..........

  • voltage, kV [1]

    22 kV

    HAKAMA « . ovvete e e e 22-27,2 Anode voltage, kV:

  • voltage, kV [2]

    -272 kV

    HAKAMA « . ovvete e e e 22-27,2 Anode voltage, kV:

  • voltage, V [1]

    13 V

    MOCTOAHHOE .. ... iviiiie e eniiannnnnns, 1,3 Negativegrid 1 voltage, V... ....................

  • voltage, V [2]

    1 V

    MOCTOAHHOE .. ... iviiiie e eniiannnnnns, 1,3 Negativegrid 1 voltage, V... ....................

  • current, mA

    1.8 mA

    NUKOBOE HAYEHWNE . .. .. ....covvinnnnnn... 1.8 Cathode current, mA:

  • Dissipation, W [1]

    3 W

    MINKOBOE 3HAYEHWE . .. .. ..o 750 Dissipation, W:

  • Dissipation, W [2]

    750 W

    MINKOBOE 3HAYEHWE . .. .. ..o 750 Dissipation, W:

  • Grid Characteristic Curves [1]

    26

    Uy=26V; U, =300V Ur=26V;U; =400V Averaged Anode-Grid and Grid Characteristic Curves:

  • Grid Characteristic Curves [2]

    300

    Uy=26V; U, =300V Ur=26V;U; =400V Averaged Anode-Grid and Grid Characteristic Curves:

  • Grid Characteristic Curves [3]

    26

    Uy=26V; U, =300V Ur=26V;U; =400V Averaged Anode-Grid and Grid Characteristic Curves:

  • Grid Characteristic Curves [4]

    400

    Uy=26V; U, =300V Ur=26V;U; =400V Averaged Anode-Grid and Grid Characteristic Curves: