Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Magnetron
Other
Operating frequency minimum
23792 MHz
Operating frequency maximum
24176 MHz
Peak anode voltage typical
13750 V
Specialized - Magnetron ·Magnetron
3J31
Sylvania pulsed magnetron oscillator for microwave service, using high-voltage pulse excitation to generate high-peak-power RF within a defined frequency band.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 6 V / 1.9 A
Description
Sylvania 3J31 pulse magnetron for microwave operation; the supplied sheet specifies its operating-frequency band and pulsed anode ratings.
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
- 6 V
- Nominal heater current
- 1.9 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
- Max plate voltage
- 16000 V
Published source values promoted where applicable; additional 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.