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KA561DVI

Noble-gas-filled directly heated diode designed as a calibrated microwave noise source in the 7.5 cm wavelength region.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 2 V / 3.2 A

Description

A gas-filled diode used as a microwave noise source, with published heater requirements, operating current, voltage drop, ignition voltage, and noise level.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: -
Nominal heater voltage: 2 V
Nominal heater current: 3.2 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

No fixed ratings are recorded for this section.

Published ratings and characteristics promoted from the approved German source.

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

1953 RFT Rundfunk Technik

Published operating points and test conditions from this source.

SECTION 1

Diode

Other

Heizspannung Uf
2 V
Heizspannung Uf 2,0 V r
Heizstrom I
3.2 A
Heizstrom I 3,2 A
Anodenstrom Ia MaxX
300 mA
Anodenstrom Ia MaxX. 300 mA
Ia min
100 mA
Ia min. 100 mA
Up=
350 V
Up=350V=
kleine Lichtquelle (ca,
2 W
kleine Lichtquelle (ca, 2 W) eingebaut werden.

Characteristic

Innerer Spannungsabfall Ui
140 V
Innerer Spannungsabfall Ui 140 V
Anodenstrom I
200 mA
Anodenstrom I 200 mA