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Diode (NOT rectifier) ·Diode

CV2398GEC

Tungsten-filament diode noise generator with flexible-lead Noval construction, intended as an RF noise source for measurements at frequencies to approximately 500 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
9
Nominal heater
6 V / 1.15 A

Description

Tungsten-filament diode noise generator with flexible-lead Noval base, suitable up 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
6 V
Nominal heater current
1.15 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

Diode

X-ray radiationInterelectrode capacitances
Max plate voltage
200 V
Max plate dissipation
3.5 W
Max cathode current
45 mA

Promoted fields mapped semantically from printed ratings/characteristics headings.

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Diode

Other

  • PublishedData

    500 MHz

    500 Mc/s.

  • Base: B

    9 A

    Base: B9A/F

  • VI (range) 0

    -6 V

    VI (range) 0-6 V

  • If (at Vf=

    6 V

    If (at Vf=6V) 1·15 (approx) A

  • Va

    200 V

    Va 200 V

  • pa 3·

    5 W

    pa 3·5 W

  • Vf

    6 V

    Vf 6 V

  • Noise diode for use up to

    220 MHz

    Noise diode for use up to 220 Mc/s

  • No correction of noise factor measured is necessary up to

    220 MHz

    No correction of noise factor measured is necessary up to 220 Mc/s,

  • Va 50 50

    50 V

    Va 50 50 50 V

  • Vf (range) (approx) 0-6 0-6 0

    -6 V

    Vf (range) (approx) 0-6 0-6 0-6 V

  • (range) (approx) 18·4 19·9 26·

    2 db

    (range) (approx) 18·4 19·9 26·2 db

  • part of the bulb must not exceed

    200 degC

    part of the bulb must not exceed 200°C.

Capacitance

  • Ca-I(m.x)

    3 pF

    Ca-I(m.x) 3 pF

Characteristic

  • Va

    50 V

    Va 50 V

  • VI (approx) 5·

    6 V

    VI (approx) 5·6 V