Data set 01
1947 Westinghouse
Published operating points and test conditions from this source.
SECTION 1
Microwave
Characteristic
FrequencyTuningRange
-
9.20 to 9.30 GHz
LoadedQMinimum
2000
Other
MaximumInsertionLoss
10.5 dB
Specialized - Microwave Tube ·Microwave
1Q21
Tunable vacuum microwave reference cavity covering approximately 9.20–9.30 GHz with high loaded Q, intended for stable frequency-reference and calibration service.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- -
Description
Tunable microwave reference cavity covering 9.20 to 9.30 GHz with a minimum loaded Q of 2000.
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
Microwave
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Published electrical limits promoted from the source. Passive microwave reference cavities have their electrical frequency/Q values in TUBE_SECTION_PARAMETER because no applicable promoted frequency field exists in the fixed section schema.
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.