1B55

Broadband TR gas-switching tube designed to protect and decouple a radar receiver during transmission. Its gas discharge rapidly changes microwave-path impedance.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: -

Description

Broad-band TR switching tube designed to protect/decouple a receiver during transmission.

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: -
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

MicrowaveTRSwitch

X-ray radiationInterelectrode capacitances

Max plate voltage: 425 V

Physical section extracted from supplied datasheet.

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 Sylvania

Published operating points and test conditions from this source.

SECTION 1

MicrowaveTRSwitch

Characteristic

Transmitter Peak Power(min.).... 10 kw Voltage(dce) ........ -500 to -700 volts
-700 V
Transmitter Peak Power(min.).... 10 kw Voltage(dce) ........ -500 to -700 volts