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Power - Beam (NOT sweep) (over 1000V 100W) ·BeamPower

6952

Very-high-power transmitting beam tube designed for short-pulse RF service, with manufacturer data citing megawatt-class peak output around 425 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
-
Nominal heater
30 V / 530 A

Description

High-power beam-power tube for RF, pulse, or transmitting service. The supplied datasheet was reviewed for heater/filament data, maximum ratings, operating conditions, capacitances, pulse/RF data, and thermal limits.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B9A
Base pins
-
Nominal heater voltage
30 V
Nominal heater current
530 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

Beam Power

X-ray radiationInterelectrode capacitances
Amplification factor
7
Max plate voltage
30000 V
Max screen voltage
2200 V
Max plate dissipation
8000 W

Published maximum ratings and characteristics promoted directly from the supplied datasheet; additional operating data retained in parameters.

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

1971 RCA HB3 Binder 6 of 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

  • 2 MEGAWATTS PEAK POWER OUTPUT IN

    2000000 W

    Published datasheet value

  • SHORT-PULSE SERVICE AT 425 Mc

    425 MHz

    Pulse

  • filament voltage

    30 s

    Published datasheet value

  • voltages are appl ied

    90 s

    Published datasheet value

  • Mu-Factor, Grid No.2 to Grid No 1 — published value 1

    1

    Published datasheet value

  • Mu-Factor, Grid No.2 to Grid No 1 — published value 2

    7

    Published datasheet value

  • Grid No.l to grid No.2 and cathode

    500 pF

    Published datasheet value

  • Plate to cathode and grid No.2

    30 pF

    Published datasheet value

  • Through grid—No.1 block — published value 1

    0.5

    Published datasheet value

  • Through grid—No.1 block — published value 2

    0.8

    Published datasheet value

  • Through grid—No.1 block — published value 3

    6

    Published datasheet value

  • Through grid—No.2 block — published value 1

    0.5

    Published datasheet value

  • Through grid—No.2 block — published value 2

    0.8

    Published datasheet value

  • Through grid—No.2 block — published value 3

    8

    Published datasheet value

  • Through filament block — published value 1

    1

    Published datasheet value

  • Through filament block — published value 2

    1.2

    Published datasheet value

  • Through filament block — published value 3

    20

    Published datasheet value

  • Through grid—No.1 block — published value 1

    1

    Published datasheet value

  • Through grid—No.1 block — published value 2

    1.2

    Published datasheet value

  • Through grid—No.1 block — published value 3

    14

    Published datasheet value

  • Through grid—No.2 black — published value 1

    1

    Published datasheet value

  • Through grid—No.2 black — published value 2

    1.2

    Published datasheet value

  • Through grid—No.2 black — published value 3

    20

    Published datasheet value

  • Through grid—No.l block — published value 1

    1

    Published datasheet value

  • Through grid—No.l block — published value 2

    1.2

    Published datasheet value

  • Through grid—No.l block — published value 3

    12

    Published datasheet value

  • Through grid—No.2 block — published value 1

    1

    Published datasheet value

  • Through grid—No.2 block — published value 2

    1.2

    Published datasheet value

  • Through grid—No.2 block — published value 3

    18

    Published datasheet value

  • Resistance at 25o C — published value 1

    25 Mohm

    Published datasheet value

  • Resistance at 25o C — published value 2

    10 Mohm

    Published datasheet value

  • Plate Voltage° — published value 1

    50000

    Published datasheet value

  • Plate Voltage° — published value 2

    19000

    Published datasheet value

  • Grid-No.2 Voltagef — published value 1

    1800

    Published datasheet value

  • Grid-No.2 Voltagef — published value 2

    1700

    Published datasheet value

  • Grid-No.1 Voltageh — published value 1

    325

    Published datasheet value

  • Grid-No.1 Voltageh — published value 2

    250

    Published datasheet value

  • Peak Plate Current — published value 1

    75 A

    Published datasheet value

  • Peak Plate Current — published value 2

    25 A

    Published datasheet value

  • Peak Grid-No.2 Current — published value 1

    8 A

    Published datasheet value

  • Peak Grid-No.2 Current — published value 2

    1 A

    Published datasheet value

  • Grid-No.l Current — published value 1

    10 A

    Published datasheet value

  • Grid-No.l Current — published value 2

    500 mA

    Published datasheet value

  • DC Plate Current — published value 1

    300 mA

    Published datasheet value

  • DC Plate Current — published value 2

    450 mA

    Published datasheet value

  • DC Grid-No.2 Current — published value 1

    30 mA

    Published datasheet value

  • DC Grid-No.2 Current — published value 2

    20 mA

    Published datasheet value

  • DC Grid-No,l Current — published value 1

    40 mA

    Published datasheet value

  • DC Grid-No,l Current — published value 2

    10 mA

    Published datasheet value

  • Useful Peak Power Output

    225000 W

    Published datasheet value

  • spike when measured at the peak-value level should not exceed 10f of

    10

    Published datasheet value

  • exceed its peak value by more than 250 volts, and the duration of any

    250

    Published datasheet value

  • Filament Current — published value 1

    460 A

    Published datasheet value

  • Filament Current — published value 2

    530 A

    Published datasheet value

  • Input Strap-Resonant Frequency — published value 1

    222 MHz

    Published datasheet value

  • Input Strap-Resonant Frequency — published value 2

    250 MHz

    Published datasheet value

  • Output Strap-Resonant Frequency — published value 1

    230 MHz

    Published datasheet value

  • Output Strap-Resonant Frequency — published value 2

    250 MHz

    Published datasheet value

  • Grid No.l to plate

    0.15 pF

    Published datasheet value

  • Grid No.2 to cathode — published value 1

    10000 pF

    Published datasheet value

  • Grid No.2 to cathode — published value 2

    18000 pF

    Published datasheet value

  • ~ AL filament vot loge of 0.95 volt antl ac filament excitation at 60 cps — published value 1

    0.95

    Published datasheet value

  • ~ AL filament vot loge of 0.95 volt antl ac filament excitation at 60 cps — published value 2

    60

    Published datasheet value

  • minimum plate l iquid column resistance should be 10 megohms

    10 Mohm

    Published datasheet value

  • with at least 60—mesh screen is recommended in the coolant

    60

    Published datasheet value

  • having a IO—to-20—gal lon—per—hour capacity wi l l ordinari ly be

    20

    Published datasheet value

  • DC PLATE 8 COOLANT

    8

    Published datasheet value

  • DC GRID-N42 6 COOLANT — published value 1

    6

    Published datasheet value

  • DC GRID-N42 6 COOLANT — published value 2

    8

    Published datasheet value

  • ICp=GRID—N—^2 AMPERES

    2 A

    Published datasheet value

  • GRID—Ns2 VOLTS=1000

    1000

    Published datasheet value

  • GRID—N—'1 VOLTS

    1

    Published datasheet value

  • GRID—Ns2 VOLTS=1800

    1800

    Published datasheet value

Other

  • Grid No.1 to plate

    0.15 mA

    Published datasheet value

  • ( Including bypass capacitors)

    18 A

    Published datasheet value

  • Ceramic—Insulator Temperature

    150 mA

    Published datasheet value

  • Metal —Surface Temperature

    100 mA

    Published datasheet value

  • Plate Voltages — published value 1

    55 A

    Published datasheet value

  • Plate Voltages — published value 2

    30 A

    Published datasheet value

  • Grid-No.2 Voltagef~g — published value 1

    2.2 A

    Published datasheet value

  • Grid-No.2 Voltagef~g — published value 2

    2.2 A

    Published datasheet value

  • Grid-No.l Voltage — published value 1

    400 mA

    Published datasheet value

  • Grid-No.l Voltage — published value 2

    400 mA

    Published datasheet value

  • Peak Plate Current — published value 1

    80 mA

    Published datasheet value

  • Peak Plate Current — published value 2

    30 mA

    Published datasheet value

  • Peak Grid-No.2 Current — published value 1

    15 mA

    Published datasheet value

  • Peak Grid-No.2 Current — published value 2

    3 mA

    Published datasheet value

  • Grid-No.i Current — published value 1

    15 mA

    Published datasheet value

  • Grid-No.i Current — published value 2

    3 mA

    Published datasheet value

  • DC Plate Current — published value 1

    0.32 mA

    Published datasheet value

  • DC Plate Current — published value 2

    0.5 mA

    Published datasheet value

  • DC Grid-No.2 Current — published value 1

    0.06 mA

    Published datasheet value

  • DC Grid-No.2 Current — published value 2

    0.06 mA

    Published datasheet value

  • Plate Input (Average) — published value 1

    16 A

    Published datasheet value

  • Plate Input (Average) — published value 2

    9 A

    Published datasheet value

  • Plate Dissipation (Average) — published value 1

    8 A

    Published datasheet value

  • Plate Dissipation (Average) — published value 2

    5 A

    Published datasheet value

  • A negative do voltage of 300 volts maximum may De appl ied to grid Mo.2

    300 mA

    Published datasheet value