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Specialized - Traveling Wave ·TravelingWave

TH9121A

Traveling-wave microwave amplifier for broadband communications, radar, satellite, or other high-frequency RF amplification.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
-

Description

The TH9121A is a traveling-wave-tube power amplifier designed for pulsed microwave operation and broadband high-frequency amplification.

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
-
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

TravelingWave

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Published ratings/characteristics audited; detailed numeric data 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

1972 Thomson CSF

Published operating points and test conditions from this source.

SECTION 1

TravelingWave

Other

  • frequency range of [1]

    2700 MHz

    frequency range of 2700 to 3300 MHz.

  • frequency range of [2]

    3300 MHz

    frequency range of 2700 to 3300 MHz.

  • Heater voltage ( [1]

    1 V

    Heater voltage (1) v oeeeesecersssesvesarssosesesrsssssocnsnonsansssnssse 5. 8 Y%

  • Heater voltage ( [2]

    5 V

    Heater voltage (1) v oeeeesecersssesvesarssosesesrsssssocnsnonsansssnssse 5. 8 Y%

  • Heater voltage ( [3]

    8 V

    Heater voltage (1) v oeeeesecersssesvesarssosesesrsssssocnsnonsansssnssse 5. 8 Y%

  • Heater CUPrPEeNt toceeeeesoscscesossssscsssnsssesasssossssscsssoesssssens

    1

    Heater CUPrPEeNt toceeeeesoscscesossssscsssnsssesasssossssscsssoesssssens 1 PN

  • Frequency TaNEE ceeesosescscssessssscsssscssssssssssssvesssssssssssss [1]

    2700 MHz

    Frequency TaNEE ceeesosescscssessssscsssscssssssssssssvesssssssssssss 2700 to 3300 MHz

  • Frequency TaNEE ceeesosescscssessssscsssscssssssssssssvesssssssssssss [2]

    3300 MHz

    Frequency TaNEE ceeesosescscssessssscsssscssssssssssssvesssssssssssss 2700 to 3300 MHz

  • (

    1 V

    (1) The exact heater voltage is given on the Test Data Sheet of each tube.

  • This voltage is to be observed within +

    5 V

    This voltage is to be observed within + 5%.

  • Heater voOltage teseecscescscassroscasosnsnssnsessrsacsscsncsasasssscnsnans [1]

    5

    Heater voOltage teseecscescscassroscasosnsnssnsessrsacsscsncsasasssscnsnans 5 6.6 v

  • Heater voOltage teseecscescscassroscasosnsnssnsessrsacsscsncsasasssscnsnans [2]

    6.6

    Heater voOltage teseecscescscassroscasosnsnssnsessrsacsscsncsasasssscnsnans 5 6.6 v

  • Heater CUrrenticeecsccsesstotstosccscscssasonrosnonsocssasossssssssna

    1.5 A

    Heater CUrrenticeecsccsesstotstosccscscssasonrosnonsocssasossssssssna 1.5 A

  • Grid PDOWEI e eeesssesesossvecceasssrssscsssssasessnsanssssenansssasons

    300

    Grid PDOWEI e eeesssesesossvecceasssrssscsssssasessnsanssssenansssasons 300 mwW

  • Beam VOltageeeseecsseascssesssossvsssssanssssatscsscssssassssssnsscasss [1]

    2 V

    Beam VOltageeeseecsseascssesssossvsssssanssssatscsscssssassssssnsscasss 2e0 2.6 kV

  • Beam VOltageeeseecsseascssesssossvsssssanssssatscsscssssassssssnsscasss [2]

    2.6 V

    Beam VOltageeeseecsseascssesssossvsssssanssssatscsscssssassssssnsscasss 2e0 2.6 kV

  • Cathode current Pe@Kisceecscecssosscsccssassssscsnsasssscensesonssscs

    200 A

    Cathode current Pe@Kisceecscecssosscsccssassssscsnsasssscensesonssscs 200 mA

  • Peak grid voltageesesessscacncccsnnnncansaans cenesscsenacnas ceesesa

    150 V

    Peak grid voltageesesessscacncccsnnnncansaans cenesscsenacnas ceesesa 150 v

  • Pulse Width ceesessescsecssesssosssssconsessssssoscssvsescssssossosssss

    1000

    Pulse Width ceesessescsecssesssosssssconsessssssoscssvsescssssossosssss 1000 ps

  • Grid bias supply resistancCesiccsscossscsssssosssssrssossssssosscscascss

    10

    Grid bias supply resistancCesiccsscossscsssssosssssrssossssssosscscascss 10 kQ

  • F'ocus COll Currenteicecsscessssoscocsecvscscccsasensevnsoncssnsscsss

    2 A

    F'ocus COll Currenteicecsscessssoscocsecvscscccsasensevnsoncssnsscsss 2 A

  • Cathode current, PEAK seeeesscescraceccoesosseasnsosansososnonssnanse

    150 A

    Cathode current, PEAK seeeesscescraceccoesosseasnsosansososnonssnanse 150 mA

  • Grid biasS eseeseessceorsecoseeeaassscssscassssssssesccccsonannsnnensns

    20

    Grid biasS eseeseessceorsecoseeeaassscssscassssssssesccccsonannsnnensns - 20 v

  • Peak grid vOltage seeeveenceeeceaecneessscssesssssascossncnnneennoses +

    40 V

    Peak grid vOltage seeeveenceeeceaecneessscssesssssascossncnnneennoses + 40 v

  • Pulse widthe.ioeesveeeeasn teccesssnense vereeos Peresssetsssserssssnsnna

    10

    Pulse widthe.ioeesveeeeasn teccesssnense vereeos Peresssetsssserssssnsnna 10 ps

  • Gain at saturated DOWEIr OULDUL tecstsetsetcosecnoscossoncncansesssss

    33

    Gain at saturated DOWEIr OULDUL tecstsetsetcosecnoscossoncncansesssss 33 dB

  • Small Signal Gain s eeesvetecerssossatssreescosossssssscsssssossencessss

    36

    Small Signal Gain s eeesvetecerssossatssreescosossssssscsssssossencessss 36 dB

  • Focus applied power....c... eeeseesceceasasests s et esesc et aseseases0te

    90 W

    Focus applied power....c... eeeseesceceasasests s et esesc et aseseases0te 90 w

  • Power supply connectionSsssceecescessesscagsssssassssscscssssasssssss PDigmy PT

    2 W

    Power supply connectionSsssceecescessesscagsssssassssscscssssasssssss PDigmy PT 02ZABLP

  • Focus coll voltageeeeesossessesssossssssoscscsnsssssssssonssasscasssssens

    60 V

    Focus coll voltageeeeesossessesssossssssoscscsnsssssssssonssasscasssssens 60 v

  • the TH

    9121

    the TH 9121 A pulsed traveling wave tube amplifier. Supplementary information is given in

  • Heater voltage given on the Test Data Sheet should be applied for at _least

    5 V

    Heater voltage given on the Test Data Sheet should be applied for at _least 5 minutes

  • before applying beam voltage. Heater surge current should never exceed

    2 V

    before applying beam voltage. Heater surge current should never exceed 2 amperes.

  • An overvoltage relay should be provided to limit the beam voltage to

    2.6 V

    An overvoltage relay should be provided to limit the beam voltage to 2.6 kV dc., A

  • Published value

    1 A

    1 -~ Apply focus coils current.

  • Published value [1]

    2

    2 - Apply heater and allow at least 5 minutes for cathode warm-up.

  • Published value [2]

    5

    2 - Apply heater and allow at least 5 minutes for cathode warm-up.

  • Published value

    3 V

    3 - Apply beam voltage, step by step, (at least for the first time).

  • Published value

    4 V

    4 - Apply voltage to the grid, and at the same time :

  • Published value

    6 W

    6 ~ Apply R.F. drive power.

  • RF

    1

    RF 1nput RF output

  • Published value

    13 A

    13tas Overcurrent

  • Brown | Heater

    787

    Brown | Heater 787 l Focusing cotl -

  • Yellow ! Cathode -heater >

    1

    Yellow ! Cathode -heater > 1 Collector