Data set 01
1960 Western Electric Random 2
Published operating points and test conditions from this source.
SECTION 1
Magnetron
Characteristics
Frequency
23746-24000 MHz
Other
Peak power input
225 kW
Pulse
Specialized - Magnetron ·Magnetron
3J21
Western Electric pulsed magnetron oscillator designed for microwave pulse generation, with manufacturer-published pulsed operating and RF-output data.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 12.6 V / 1.6 A
Description
The 3J21 is a Western Electric pulsed magnetron oscillator with published microwave operating data.
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
- 12.6 V
- Nominal heater current
- 1.6 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
Magnetron
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Published promoted values where applicable; special microwave values 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.