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Specialized - Switching Tube ·Tetrode

GMI32B

Russian high-power tetrode designed for pulse-modulator or pulse-power switching service in RF equipment, controlling high-voltage, high-current pulses rather than continuous linear amplification.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
26 V / 5 A

Description

The GMI-32B tetrode is used as a pulse power switch in RF equipment and is forced-air cooled.

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
5 A
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

No fixed ratings are recorded for this section.

Promoted-field audit performed from English ratings/characteristics; detailed electrical values retained in parameter table.

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

    32 W

    The 'MU-32bB tetrode is used as a pulse power

  • cathode and [1]

    1

    1 -grid 2; 2 - cathode and

  • cathode and [2]

    2

    1 -grid 2; 2 - cathode and

  • cathode and [3]

    2

    1 -grid 2; 2 - cathode and

  • grid [1]

    4

    Mass: at most 4 kg. [ heater; 3 - heater; 4 — grid

  • grid [2]

    3

    Mass: at most 4 kg. [ heater; 3 - heater; 4 — grid

  • grid [3]

    4

    Mass: at most 4 kg. [ heater; 3 - heater; 4 — grid

  • anode

    1

    1; A-anode

  • temperature,°C [1]

    -60 C

    € YCKOpEHMeM, m/c Ambient temperature,°C ... ......... ... ... —60to +85

  • temperature,°C [2]

    85 C

    € YCKOpEHMeM, m/c Ambient temperature,°C ... ......... ... ... —60to +85

  • grid [1]

    4 uA

    Tok aHoAa B UMMyNbee (Npy HaNPsHXXeHUAX aHoga Peak anode current (at anode voltage 4 kV, grid 2

  • grid [2]

    2 uA

    Tok aHoAa B UMMyNbee (Npy HaNPsHXXeHUAX aHoga Peak anode current (at anode voltage 4 kV, grid 2

  • voltage [1]

    4 kV

    4 kB, ceTku BTOpO# 1,75 KB, cMeLeHus voltage 1,75 kV, bias voltage —700 V,

  • voltage [2]

    175 kV

    4 kB, ceTku BTOpO# 1,75 KB, cMeLeHus voltage 1,75 kV, bias voltage —700 V,

  • voltage [3]

    175 kV

    4 kB, ceTku BTOpO# 1,75 KB, cMeLeHus voltage 1,75 kV, bias voltage —700 V,

  • voltage [4]

    -700 kV

    4 kB, ceTku BTOpO# 1,75 KB, cMeLeHus voltage 1,75 kV, bias voltage —700 V,

  • voltage [1]

    700 pF

    MuHyc 700 B, ceTku nepBo# B Mnynbce peak grid 1 voltage 150 V, reservoir capacitor

  • voltage [2]

    1 pF

    MuHyc 700 B, ceTku nepBo# B Mnynbce peak grid 1 voltage 150 V, reservoir capacitor

  • voltage [3]

    150 pF

    MuHyc 700 B, ceTku nepBo# B Mnynbce peak grid 1 voltage 150 V, reservoir capacitor

  • anode circuit [1]

    150

    150 B, HakonuTenbHON eMKOCTH B Lienu in anode circuit 5 uF), A, atleast ................ 50

  • anode circuit [2]

    5

    150 B, HakonuTenbHON eMKOCTH B Lienu in anode circuit 5 uF), A, atleast ................ 50

  • anode circuit [3]

    50

    150 B, HakonuTenbHON eMKOCTH B Lienu in anode circuit 5 uF), A, atleast ................ 50

  • voltage [1]

    5 A

    aHopa 5 Mx®d), A, He meHee Peak grid 1.current (at anode voltage 4 kV,

  • voltage [2]

    1 A

    aHopa 5 Mx®d), A, He meHee Peak grid 1.current (at anode voltage 4 kV,

  • voltage [3]

    4 A

    aHopa 5 Mx®d), A, He meHee Peak grid 1.current (at anode voltage 4 kV,

  • voltage [1]

    2 kV

    TOK CETKU NEPBOU B UMNYIbCe (MPW HaNPs>XXEHUAX grid 2 voltage 1.75 kV, bias voltage —700V,

  • voltage [2]

    1.75 kV

    TOK CETKU NEPBOU B UMNYIbCe (MPW HaNPs>XXEHUAX grid 2 voltage 1.75 kV, bias voltage —700V,

  • voltage [3]

    -700 kV

    TOK CETKU NEPBOU B UMNYIbCe (MPW HaNPs>XXEHUAX grid 2 voltage 1.75 kV, bias voltage —700V,

  • voltage [1]

    4 pF

    aHoga 4 kB, ceTku BTOpow 1,75 kB, cmeweHna peak grid 1 voltage 150 V, reservoir capacitor

  • voltage [2]

    175 pF

    aHoga 4 kB, ceTku BTOpow 1,75 kB, cmeweHna peak grid 1 voltage 150 V, reservoir capacitor

  • voltage [3]

    1 pF

    aHoga 4 kB, ceTku BTOpow 1,75 kB, cmeweHna peak grid 1 voltage 150 V, reservoir capacitor

  • voltage [4]

    150 pF

    aHoga 4 kB, ceTku BTOpow 1,75 kB, cmeweHna peak grid 1 voltage 150 V, reservoir capacitor

  • anode circuit), A,atmost [1]

    700

    MuHyc 700 KB, ceTku nepsoi B 5 uF in anode circuit), A,atmost ................ 8

  • anode circuit), A,atmost [2]

    5

    MuHyc 700 KB, ceTku nepsoi B 5 uF in anode circuit), A,atmost ................ 8

  • anode circuit), A,atmost [3]

    8

    MuHyc 700 KB, ceTku nepsoi B 5 uF in anode circuit), A,atmost ................ 8

  • grid [1]

    150 A

    umnynesce 150 B, HakonuTensHOM eMKoCcTH Peak grid 2 current (at anode voltage 4 kV, grid 2

  • grid [2]

    2 A

    umnynesce 150 B, HakonuTensHOM eMKoCcTH Peak grid 2 current (at anode voltage 4 kV, grid 2

  • grid [3]

    4 A

    umnynesce 150 B, HakonuTensHOM eMKoCcTH Peak grid 2 current (at anode voltage 4 kV, grid 2

  • grid [4]

    2 A

    umnynesce 150 B, HakonuTensHOM eMKoCcTH Peak grid 2 current (at anode voltage 4 kV, grid 2

  • grid [1]

    8 kV

    8 uernu aHoaa 5 mx®), A, He 6onee voltage 1.75 kV, bias voltage —700 V, peak grid 1

  • grid [2]

    5 kV

    8 uernu aHoaa 5 mx®), A, He 6onee voltage 1.75 kV, bias voltage —700 V, peak grid 1

  • grid [3]

    6 kV

    8 uernu aHoaa 5 mx®), A, He 6onee voltage 1.75 kV, bias voltage —700 V, peak grid 1

  • grid [4]

    1.75 kV

    8 uernu aHoaa 5 mx®), A, He 6onee voltage 1.75 kV, bias voltage —700 V, peak grid 1

  • grid [5]

    -700 kV

    8 uernu aHoaa 5 mx®), A, He 6onee voltage 1.75 kV, bias voltage —700 V, peak grid 1

  • grid [6]

    1 kV

    8 uernu aHoaa 5 mx®), A, He 6onee voltage 1.75 kV, bias voltage —700 V, peak grid 1

  • anode [1]

    150 pF

    ToK CeTKv BTOpPOWA B UMMNYNbCE (NP HANPsHXKeHUAX voltage 150 V, reservoir capacitor 5 uF in anode

  • anode [2]

    5 pF

    ToK CeTKv BTOpPOWA B UMMNYNbCE (NP HANPsHXKeHUAX voltage 150 V, reservoir capacitor 5 uF in anode

  • voltage [1]

    700 V

    MuHyc 700 B, ceTku nepeoit B umnynbce 150 B, Negative cutoff voltage (at anode voltage

  • voltage [2]

    150 V

    MuHyc 700 B, ceTku nepeoit B umnynbce 150 B, Negative cutoff voltage (at anode voltage

  • voltage [1]

    5 kV

    HaKOTMUTENbHON eMKOCTY B Lienn aHofga 5 mk®P), 44 kV, grid voltage 1.75 kV, reservoir

  • voltage [2]

    44 kV

    HaKOTMUTENbHON eMKOCTY B Lienn aHofga 5 mk®P), 44 kV, grid voltage 1.75 kV, reservoir

  • voltage [3]

    1.75 kV

    HaKOTMUTENbHON eMKOCTY B Lienn aHofga 5 mk®P), 44 kV, grid voltage 1.75 kV, reservoir

  • anode circuit), V, atmost [1]

    6 pF

    A, He 6onee capacitor 0.25 uF in anode circuit), V, atmost .. .. .. 600

  • anode circuit), V, atmost [2]

    0.25 pF

    A, He 6onee capacitor 0.25 uF in anode circuit), V, atmost .. .. .. 600

  • anode circuit), V, atmost [3]

    600 pF

    A, He 6onee capacitor 0.25 uF in anode circuit), V, atmost .. .. .. 600

  • heating time, s, at most [1]

    3 us

    HanpspkeHuve 3annpaHusa oTpularensHoe Cathode heating time, s, at most ................ 180

  • heating time, s, at most [2]

    180 us

    HanpspkeHuve 3annpaHusa oTpularensHoe Cathode heating time, s, at most ................ 180

  • Interelectrode capacitance, pF

    44 pF

    (npw HanpsPkeHuAxX aHoaa 44 kB, ceTkn BTOpon Interelectrode capacitance, pF:

  • input [1]

    175

    1,75 kB, HaKonNUTENbHON eMKOCTK B Lienu aHoAa input .. ... 140—-180

  • input [2]

    140

    1,75 kB, HaKonNUTENbHON eMKOCTK B Lienu aHoAa input .. ... 140—-180

  • input [3]

    -180

    1,75 kB, HaKonNUTENbHON eMKOCTK B Lienu aHoAa input .. ... 140—-180

  • output [1]

    25

    0,25 mk®), B, He 6onee 600 output .. ... 20-33

  • output [2]

    6

    0,25 mk®), B, He 6onee 600 output .. ... 20-33

  • output [3]

    600

    0,25 mk®), B, He 6onee 600 output .. ... 20-33

  • output [4]

    20

    0,25 mk®), B, He 6onee 600 output .. ... 20-33

  • output [5]

    -33

    0,25 mk®), B, He 6onee 600 output .. ... 20-33

  • voltage (ACorDC), V [1]

    243 V

    Hanpsbkenue Hakana (~uwmm =),B .............. 24,3-29,7 Heater voltage (ACorDC), V .........

  • voltage (ACorDC), V [2]

    -297 V

    Hanpsbkenue Hakana (~uwmm =),B .............. 24,3-29,7 Heater voltage (ACorDC), V .........

  • voltage, absolute value, V

    -800 V

    Hawbonbiiee HanpshkeHue cmeweHuns Maximum bias voltage, absolute value, V. ......... —800

  • voltage, V [1]

    -800 V

    (no a6bcontoTHoM BenudmHe), B . ... ... ... L -800 Maximum grid 1 excess voltage, V . .............. 175

  • voltage, V [2]

    1 V

    (no a6bcontoTHoM BenudmHe), B . ... ... ... L -800 Maximum grid 1 excess voltage, V . .............. 175

  • voltage, V [3]

    175 V

    (no a6bcontoTHoM BenudmHe), B . ... ... ... L -800 Maximum grid 1 excess voltage, V . .............. 175

  • grid [1]

    2

    et e e 2:10° grid 1 . 7

  • grid [2]

    10

    et e e 2:10° grid 1 . 7

  • grid [3]

    1

    et e e 2:10° grid 1 . 7

  • grid [4]

    7

    et e e 2:10° grid 1 . 7

  • current, A,max [1]

    35 mA

    nnn 35 Heater starting current, A,max. ................. 20

  • current, A,max [2]

    20 mA

    nnn 35 Heater starting current, A,max. ................. 20

  • current at [1]

    7 A

    CETKOM MEPBOM . ..o vi it ieinnanan 7 Peak cathode current at 1/duty factor 200, A ... .... 59

  • current at [2]

    1 A

    CETKOM MEPBOM . ..o vi it ieinnanan 7 Peak cathode current at 1/duty factor 200, A ... .... 59

  • current at [3]

    200 A

    CETKOM MEPBOM . ..o vi it ieinnanan 7 Peak cathode current at 1/duty factor 200, A ... .... 59

  • current at [4]

    59 A

    CETKOM MEPBOM . ..o vi it ieinnanan 7 Peak cathode current at 1/duty factor 200, A ... .... 59

  • current [1]

    180 A

    HaumeHbluee BpeMs roTOBHOCTU, € + . . . oo v e v vt 180 Minimum 1/duty factor at peak anode current 50 A . . 200

  • current [2]

    1 A

    HaumeHbluee BpeMs roTOBHOCTU, € + . . . oo v e v vt 180 Minimum 1/duty factor at peak anode current 50 A . . 200

  • current [3]

    50 A

    HaumeHbluee BpeMs roTOBHOCTU, € + . . . oo v e v vt 180 Minimum 1/duty factor at peak anode current 50 A . . 200

  • current [4]

    200 A

    HaumeHbluee BpeMs roTOBHOCTU, € + . . . oo v e v vt 180 Minimum 1/duty factor at peak anode current 50 A . . 200

  • anode, bulb and stem,°C

    150 C

    Haubonbwasn AnvTensHOCTb MMMYbCa NPU TOKe Temperature at anode, bulb and stem,°C ......... 150

  • Voltage M Jflg

    1 V

    Averaged Characteristic Curves Showing Grid 1 Cutoff Voltage M Jflg

  • anode

    2

    - _ _ _ grid 2-anode

  • anode

    1250

    —______ anode; 1250 ||

  • grid [1]

    300

    a0 —— 300 _ _ _ _ anode-grid 2 !

  • grid [2]

    2

    a0 —— 300 _ _ _ _ anode-grid 2 !