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Power - Beam (NOT sweep) ·BeamPower-BeamPower

832A

Twin beam-power tube with center-tapped heater for RF power-amplifier and oscillator service at frequencies to approximately 200 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
7E-UA
Socket code
SEPTAR7
Base pins
7
Nominal heater
12.6 V / 800 mA

Description

Twin beam-power tube with center-tapped heater for RF power amplifier and oscillator service to 200 MHz.

Socket description

Septar 7-contact base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
7E-UA
Socket code
SEPTAR7
Base pins
7
Nominal heater voltage
12.6 V
Nominal heater current
800 mA
Parallel heater voltage
6.3 V
Parallel heater current
1.6 A
Series capable
Yes

7E-UA - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

2 physical sections, each with unique specifications.

Section 1

Beam Power

X-ray radiationInterelectrode capacitances
Transconductance
0.0035 S
Amplification factor
6.5
Max plate voltage
750 V
Max screen voltage
250 V
Max plate dissipation
20 W
Max screen dissipation
5 W
Max cathode current
115 mA

Representative row for two electrically identical beam-tetrode sections; ratings vary by service condition.

Section 2

Beam Power

X-ray radiationInterelectrode capacitances
Transconductance
0.0035 S
Amplification factor
6.5
Max plate voltage
750 V
Max screen voltage
250 V
Max plate dissipation
20 W
Max cathode current
115 mA

Second identical physical beam-power unit; added under physical-section-per-unit policy.

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

1950 General Electric Transmitting Types

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

  • HeaterOrFilamentVoltage

    6.3 V

  • HeaterOrFilamentCurrent

    1.6 A

Other

  • FrequencyForMaximumRatings

    200 MHz

Data set 02

1956 RCA Transmitting Tubes

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

  • Transconductance

    3500 µS

  • Amplification Factor

    6.5

Other

  • Maximum Plate Voltage

    750 V

  • Maximum Screen Voltage

    250 V

  • Maximum Plate Dissipation

    20 W

  • Maximum Cathode Current

    115 mA

  • Full-Input Operating Frequency Maximum

    200 MHz

  • Power Output

    36 W

    ClassC,RF

  • Heater Voltage Series

    12.6 V

  • Heater Current Series

    800 mA

  • Heater Voltage Parallel

    6.3 V

  • Heater Current Parallel

    1.6 A

  • Typical Plate Voltage

    600 V

    Representative published point

  • Typical Plate Current

    90 mA

    Representative published point

Data set 03

1960 Mazda

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Capacitance

  • Grid1AnodeCapacitancePerElement

    0.07 pF

  • InputCapacitancePerElement

    8 pF

  • OutputCapacitancePerElement

    3.8 pF

  • ScreenCathodeCapacitance

    65 pF

Other

  • MaximumHeaterCathodePeakVoltage

    100 V

  • Typical Plate Voltage

    600 V

  • Typical Screen Voltage

    200 V

  • TypicalOutputPower

    26 W