F3012

Double gas-filled TR receiver-protection tube for X-band radar. Its discharge rapidly isolates sensitive receiver circuitry during high-power transmitter pulses.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

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

Description

The F3012 is a double pre-tuned TR tube for X-band radar receiver protection; its gas ionizes during transmission and ignitor electrodes assist the discharge.

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.

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

1972 Thomson CSF

Published operating points and test conditions from this source.

SECTION 1

MicrowaveTRSwitch

Characteristic

Frequency Range
8490 to 9578 MHz
Shutter Protection
60 dB
Shutter Coil Voltage
28 V
Shutter Coil Current
250 to 310 mA

Other

Ignitor Continuous Current Maximum
200 uA
Ignitor Supply Voltage Minimum
1000 V