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Specialized - Uncategorized ·Other

7360

Beam-deflection tube designed for balanced modulation, demodulation, mixing, and frequency conversion at frequencies extending to approximately 100 MHz.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B9A
Base pins
-
Nominal heater
6.3 V / 350 mA

Description

Beam-deflection tube for balanced modulator, demodulator, mixer, and frequency-converter service to about 100 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
-
Nominal heater voltage
6.3 V
Nominal heater current
350 mA
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

Other

X-ray radiationInterelectrode capacitances
Transconductance
0.0054 S
Max plate voltage
300 V
Max screen voltage
250 V
Max plate dissipation
3 W
Max screen dissipation
0.5 W
Max cathode current
12 mA

Beam-deflection section with two plates and two deflecting electrodes.

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

1960 RCA Industrial and Communications Types

Published operating points and test conditions from this source.

SECTION 1

Other

Application

  • Application

    Balanced modulator / demodulator / mixer / frequency converter

Other

  • Maximum useful frequency

    100 MHz

  • Balanced mixer load impedance

    10000 ohm

  • Balanced modulator load impedance

    5000 ohm

Characteristics

  • Balanced modulator output

    4 Vpp

    PushPull

  • Balanced mixer output

    40 Vpp

    PushPull

Data set 02

1971 RCA HB3 Binder 3 of 7

Published operating points and test conditions from this source.

SECTION 1

Other

Other

  • Heater voltage

    6.3 V

  • Heater current

    350 mA

  • Plate No.1 supply voltage

    150 V

    ClassA

  • Plate No.2 supply voltage

    150 V

    ClassA

  • Deflecting-electrode supply voltage

    25 V

    EachDeflector

  • Screen supply voltage

    175 V

    ClassA

  • Total beam current

    8.5 mA

    ClassA

  • Screen current

    2.1 mA

    ClassA

  • Maximum plate voltage each

    300 V

  • Maximum deflecting-electrode voltage

    100 V

    BothPolarities

  • Carrier suppression

    60 dB

    BalancedModulator

  • Third-order distortion

    -47 dB

    BalancedModulator

Characteristic

  • Control-grid to both plates transconductance

    5400 uS

  • Deflecting-electrode transconductance

    800 uS

    Plate1

  • Switching voltage

    11 V