Data set 01
1958 Compagnie General
Published operating points and test conditions from this source.
SECTION 1
MicrowaveTRSwitch
Characteristic
OperatingFrequencyMinimum
2900 MHz
OperatingFrequencyMaximum
3260 MHz
Other
MaximumOperatingPower
4.5 MW
Specialized - Switching Tube ·MicrowaveTRSwitch
AP427
Pre-TR microwave protection tube designed for single-antenna radar receivers operating across approximately 2.9–3.26 GHz, protecting the receiver ahead of the main TR stage.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- -
Description
Pre-TR microwave protection tube for single-antenna radar receivers in the 2900–3260 MHz band.
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 ratings and characteristics promoted from the supplied CSF/Thomson source where explicitly available.
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.