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Voltage Regulator ·VoltageRegulator

QS833

High-stability miniature voltage-reference tube providing approximately 83 V for precision circuits and cascaded stabilizer arrangements.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B7G
Base pins
-
Nominal heater
-

Description

A high-stability miniature gas-filled voltage stabilizer providing approximately 83 V regulated output for precision reference and stabilized supply service.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B7G
Base pins
-
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
83 V
Regulator minimum current
1 mA
Regulator maximum current
5 mA
Regulator starting voltage
125 V
Regulator maintaining voltage
83 V
Regulator dynamic impedance
150 Ω

Published maximum ratings and characteristics audited; remaining useful numerical data retained in parameter table.

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

1955 Marconi

Published operating points and test conditions from this source.

SECTION 1

Voltage Regulator

Other

  • VOLTAGE STABILISER QS8 [1]

    3 V

    VOLTAGE STABILISER QS83/3

  • VOLTAGE STABILISER QS8 [2]

    3 V

    VOLTAGE STABILISER QS83/3

  • HIGH STABILITY - SINGLE GAP APRIL,

    1955

    HIGH STABILITY - SINGLE GAP APRIL, 1955

  • Stabilityt< (Any subsequent [1]

    100

    Stabilityt< (Any subsequent 100 hrs.) + 0-1 %

  • Stabilityt< (Any subsequent [2]

    0

    Stabilityt< (Any subsequent 100 hrs.) + 0-1 %

  • Stabilityt< (Any subsequent [3]

    -1

    Stabilityt< (Any subsequent 100 hrs.) + 0-1 %

  • * Half arithmetic sum of change in voltage [1]

    2 V

    * Half arithmetic sum of change in voltage 2---3 mA 4-change in voltage 3—4 mA.

  • * Half arithmetic sum of change in voltage [2]

    -3 V

    * Half arithmetic sum of change in voltage 2---3 mA 4-change in voltage 3—4 mA.

  • * Half arithmetic sum of change in voltage [3]

    4 V

    * Half arithmetic sum of change in voltage 2---3 mA 4-change in voltage 3—4 mA.

  • * Half arithmetic sum of change in voltage [4]

    3 V

    * Half arithmetic sum of change in voltage 2---3 mA 4-change in voltage 3—4 mA.

  • * Half arithmetic sum of change in voltage [5]

    -4 V

    * Half arithmetic sum of change in voltage 2---3 mA 4-change in voltage 3—4 mA.

  • t Maximum variation of voltage at constant current (preferably

    3 V

    t Maximum variation of voltage at constant current (preferably 3 mA).

  • In order to obtain maximum stability (less than [1]

    0 V

    In order to obtain maximum stability (less than 0-1%, change in voltage over long

  • In order to obtain maximum stability (less than [2]

    -1 V

    In order to obtain maximum stability (less than 0-1%, change in voltage over long

  • connecting a suitable stabiliser in cascade with the QS8 [1]

    3

    connecting a suitable stabiliser in cascade with the QS83/3.

  • connecting a suitable stabiliser in cascade with the QS8 [2]

    3

    connecting a suitable stabiliser in cascade with the QS83/3.

  • The circuits shown in Figs [1]

    2 V

    The circuits shown in Figs. 2 and 3 are recommended when a very stable voltage

  • The circuits shown in Figs [2]

    3 V

    The circuits shown in Figs. 2 and 3 are recommended when a very stable voltage

  • of approximately

    83 mA

    of approximately 83V is required ; the load should draw a constant current, which may

  • zero to

    3 V

    zero to 3 mA, and the permissible changes in input voltage V| are also given, together

  • If a different voltage, or a current greater than

    3 V

    If a different voltage, or a current greater than 3mA is required, it is necessary

  • using a QS8 [1]

    3 V

    using a QS83/3 as the voltage reference source for the network.

  • using a QS8 [2]

    3 V

    using a QS83/3 as the voltage reference source for the network.

  • Stabilized voltage

    83 V

    Published regulated voltage.

  • Tube current minimum

    1 mA

    Minimum maintaining current.

  • Tube current maximum

    5 mA

    Maximum operating current.

  • Ignition voltage

    125 V

    Published minimum or maximum ignition/start voltage as applicable.