QF10

Separate-cavity L-band TR cell for radar duplexer protection, equivalent to American type 1B23. Gas discharge isolates the receiver during transmitter pulses.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

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

Description

Separate-cavity L-band T.R. cell for radar duplexer protection, equivalent to American type 1B23.

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

No fixed ratings are recorded for this section.

Published Ferranti ratings and characteristics promoted where applicable; additional electrical, pulse, regulator, microwave, and operating data retained as parameters.

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

1963 Ferranti

Published operating points and test conditions from this source.

SECTION 1

MicrowaveTRSwitch

Characteristics

Frequency minimum
400 MHz
Frequency maximum
1500 MHz

Other

Maximum line/transmitter power
20 kW
Primer supply voltage maximum
-1500 V
Primer supply voltage minimum
-800 V
Primer current maximum
200 uA
Primer current minimum
100 uA
Insertion loss maximum
1.6 dB
Interaction loss maximum
0.2 dB
Primer operating voltage minimum
375 V
Primer operating voltage maximum
525 V

Application

Application
Radar T.R. / receiver protection cell