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Voltage Regulator ·VoltageRegulator

8090

Cold-cathode corona regulator maintaining approximately 3.4 kV at very low current for high-voltage reference, measurement, and regulation circuits.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
9
Nominal heater
-

Description

Corona-discharge voltage-regulator tube for approximately 3.4 kV regulation service.

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
-
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

Voltage Regulator

X-ray radiationInterelectrode capacitances
Regulator voltage
3400 V
Regulator minimum current
0.05 mA
Regulator maximum current
1 mA
Regulator starting voltage
3700 V
Regulator maintaining voltage
3400 V

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 Victoreen

Published operating points and test conditions from this source.

SECTION 1

Voltage Regulator

Characteristic

  • RegulatedVoltage

    3400 V

  • VoltageRegulation

    110 V

    Published current range

  • Temperature Coefficient

    70 mV/C

Other

  • StartingOrBreakdownVoltage

    3700 V

  • MinimumRegulatorCurrent

    50 uA

  • MaximumRegulatorCurrent

    1000 uA