Data set 01
1959 Ediswan
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Application
Application
Class-C RF power amplifier
ClassC
Other
RF power output minimum
2.4 W
ClassC
Power - Beam (NOT sweep) ·BeamPower
7973
Special-quality beam tetrode intended for Class-C RF power amplification, providing several watts of radio-frequency output for communications and demanding electronic equipment.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 5 V / 230 mA
Description
Special-quality beam tetrode for Class-C RF power amplifier service.
Socket description
Small-button Noval 9-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 5 V
- Nominal heater current
- 230 mA
- 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
Beam Power
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.0043 S
- Max plate voltage
- 150 V
- Max screen voltage
- 150 V
- Max plate dissipation
- 5 W
- Max screen dissipation
- 2 W
Published source ratings and characteristics promoted where applicable; additional data 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.