Data set 01
1971 English Electric Valve
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Pulse anode current
18 A
Pulse
Duty cycle
0.001
Pulse
Typical pulse output power
330 kW
Pulse
Power - Beam (NOT sweep) ·BeamPower
C1149A
High-vacuum radial-beam pulse tetrode for power-amplifier pulse modulators, with improved X-ray shielding and hundreds of kilowatts typical pulse output.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 26 V / 2.15 A
Description
High-vacuum radial-beam tetrode for power-amplifier pulse modulators; C1149A adds improved X-ray shielding.
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
- 26 V
- Nominal heater current
- 2.15 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
Beam Power
X-ray radiationInterelectrode capacitances
- Max plate voltage
- 20000 V
- Max screen voltage
- 1500 V
- Max cathode current
- 18 A
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.