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

8121

Forced-air-cooled coaxial transmitting beam-power tube for RF amplification, oscillation, and regulator service, with useful operation to approximately 500 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
9
Nominal heater
13.5 V / 1.3 A

Description

Forced-air-cooled coaxial beam-power tube for RF power amplification, oscillation and regulation to 500 MHz.

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
9
Nominal heater voltage
13.5 V
Nominal heater current
1.3 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
Max plate voltage
2200 V
Max screen voltage
400 V
Max plate dissipation
150 W
Max screen dissipation
8 W

Electrical section extracted from supplied RCA data sheet.

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

1940 RCA

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Maximum Frequency

    500 MHz

  • RFPowerOutput

    235 W

    470MHz

Data set 02

1971 RCA HB3 Binder 6 of 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

  • Heater/filament voltage nominal

    13.5 V

    WholeTube

  • Heater/filament current nominal

    1.3 A

    WholeTube

  • Grid No

    1 pF

    Published source row

  • Grid No (value 2)

    0 pF

    Published source row

  • Grid No (value 3)

    13 pF

    Published source row

  • Grid No

    1 pF

    Published source row

  • Grid No (value 2)

    2 pF

    Published source row

  • Grid No (value 3)

    24 pF

    Published source row

  • Grid No

    2 pF

    Published source row

  • Grid No (value 2)

    6.5 pF

    Published source row

  • Cathode to heater

    3.4 pF

    Published source row

Other

  • Voltage lAC or DC)a

    13.5 A

    Published source row

  • Voltage lAC or DC)a (value 2)

    10 A

    Published source row

  • Current at

    13.5 V

    Published source row

  • Current at (value 2)

    1.3 V

    Published source row

  • Minimum heating time

    60

    Published source row

  • Mu-Factor, Grid No

    2

    Published source row

  • Mu-Factor, Grid No (value 2)

    12

    Published source row

  • Plate volts =

    450 V

    Published source row

  • Plate volts = (value 2)

    2 V

    Published source row

  • DC Plate Voltage

    2200 V

    Published source row

  • DC Grid-No

    2 V

    Published source row

  • DC Grid-No (value 2)

    400 V

    Published source row

  • DC Grid-No. l Voltage

    -100 V

    Published source row

  • DC Plate Current at Peak of Envelope

    450 mA

    Published source row

  • DC Grid-No. l Current

    100 mA

    Published source row

  • Plate Dissipation

    150 W

    Published source row

  • Grid-No

    2 W

    Published source row

  • Grid-No (value 2)

    8 W

    Published source row

  • Heater negative with respect to cathode

    150 V

    Published source row

  • Heater positive with respect to cathode

    150 V

    Published source row

  • DC Plate Voltage

    1000 V

    Published source row

  • DC Plate Voltage (value 2)

    1500 V

    Published source row

  • DC Grid-No

    2 V

    Published source row

  • DC Grid-No (value 2)

    250 V

    Published source row

  • DC Grid-No (value 3)

    250 V

    Published source row

  • DC Grid-No. l Voltagef

    -20 V

    Published source row

  • DC Grid-No. l Voltagef (value 2)

    -20 V

    Published source row

  • Zero-Signal DC Plate Current

    100 mA

    Published source row

  • Zero-Signal DC Plate Current (value 2)

    100 mA

    Published source row

  • Effective RF Load Resistance

    2270

    Published source row

  • Effective RF Load Resistance (value 2)

    3800

    Published source row

  • DC Grid-No

    2

    Published source row

  • Average DC Grid-No. l Current

    0.058 mA

    Published source row

  • Average DC Grid-No. l Current (value 2)

    0.058 mA

    Published source row

  • Output-Circuit Efficiency,(Approx )

    90

    Published source row

  • Output-Circuit Efficiency,(Approx ) (value 2)

    85

    Published source row

  • Grid-No

    2

    Published source row

  • Grid-No (value 2)

    10000

    Published source row

  • • DC Plate Voltage

    1800 V

    Published source row

  • DC Grid-No

    2 V

    Published source row

  • DC Grid-No (value 2)

    400 V

    Published source row

  • DC Grid-No. l Voltage

    -100 V

    Published source row

  • DC Plate Current

    250 mA

    Published source row

  • ,/

    1 mA

    Published source row

  • ,/ (value 2)

    100 mA

    Published source row

  • • Grid-No

    2 W

    Published source row

  • • Grid-No (value 2)

    5 W

    Published source row

  • Plate Dissipation

    105 W

    Published source row

  • Heater negative with respect to cathode

    150 V

    Published source row

  • Heater positive with re~oect to cathode

    150 V

    Published source row

  • at frequency of

    50

    Published source row

  • at frequency of (value 2)

    4

    Published source row

  • DC Plate Voltage

    700 V

    Published source row

  • DC Plate Voltage (value 2)

    1000 V

    Published source row

  • DC Plate Voltage (value 3)

    1500 V

    Published source row

  • DC Plate Voltage (value 4)

    700 V

    Published source row

  • DC Plate Voltage (value 5)

    1000 V

    Published source row

  • DC Plate Voltage (value 6)

    1500 V

    Published source row

  • DC Grid-No

    2 V

    Published source row

  • DC Grid-No (value 2)

    175 V

    Published source row

  • DC Grid-No (value 3)

    200 V

    Published source row

  • DC Grid-No (value 4)

    200 V

    Published source row

  • DC Grid-No (value 5)

    200 V

    Published source row

  • DC Grid-No (value 6)

    200 V

    Published source row

  • DC Grid-No. l Voltage

    -10 V

    Published source row

  • DC Grid-No. l Voltage (value 2)

    -30 V

    Published source row

  • DC Grid-No. l Voltage (value 3)

    -30 V

    Published source row

  • DC Grid-No. l Voltage (value 4)

    -30 V

    Published source row

  • DC Grid-No. l Voltage (value 5)

    -30 V

    Published source row

  • DC Grid-No. l Voltage (value 6)

    -30 V

    Published source row

  • DC Plate Current

    300 mA

    Published source row

  • DC Plate Current (value 2)

    300 mA

    Published source row

  • DC Plate Current (value 3)

    300 mA

    Published source row

  • DC Plate Current (value 4)

    300 mA

    Published source row

  • DC Plate Current (value 5)

    300 mA

    Published source row

  • DC Plate Current (value 6)

    300 mA

    Published source row

  • DC Grid-No

    2 mA

    Published source row

  • DC Grid-No (value 2)

    25 mA

    Published source row

  • DC Grid-No (value 3)

    20 mA

    Published source row

  • DC Grid-No (value 4)

    20 mA

    Published source row

  • DC Grid-No (value 5)

    10 mA

    Published source row

  • DC Grid-No (value 6)

    10 mA

    Published source row

  • DC Grid-No. l Current

    50 mA

    Published source row

  • DC Grid-No. l Current (value 2)

    40 mA

    Published source row

  • DC Grid-No. l Current (value 3)

    40 mA

    Published source row

  • DC Grid-No. l Current (value 4)

    30 mA

    Published source row

  • DC Grid-No. l Current (value 5)

    30 mA

    Published source row