Voltage - Triode (single high frequency) ·Triode
EC94
High-frequency triode for UHF amplifier service.
- Sections
- 1
- Base
- -
- Socket code
- B9A
- Base pins
- -
- Nominal heater
- 6.3 V / 225 mA
Description
High-slope UHF triode for additive mixing and oscillator service up to about 1000 MHz.
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
- -
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 225 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
Triode
- Plate resistance
- 2130 Ω
- Transconductance
- 0.0075 S
- Amplification factor
- 16
- Max plate voltage
- 150 V
- Max plate dissipation
- 2.5 W
- Max cathode current
- 20 mA
Published ratings/characteristics promoted where clearly stated; repeated identical sections compressed where applicable.
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.