Data set 01
196X Lamina
Published operating points and test conditions from this source.
SECTION 1
Tetrode
Characteristic
Maximum frequency
220 MHz
Input capacitance
23.5 pF
Output capacitance
8.4 pF
Grid-plate capacitance
<0.35 pF
Power - Tetrode (NOT beam) (over 1000V 100W) ·Tetrode
Q35
Transmitting power tetrode designed for RF amplification, linear/SSB service, oscillation, modulation, broadcasting, or frequency multiplication.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B4
- Base pins
- 4
- Nominal heater
- 6.3 V / 32.5 A
Description
High-power air-cooled transmitting tetrode intended mainly for final stages of television transmitters and also for high-power AF/RF broadcasting and radiocommunication service.
Socket description
European 4-pin base
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B4
- Base pins
- 4
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 32.5 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
Tetrode
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.019 S
- Max plate voltage
- 5500 V
- Max screen voltage
- 800 V
- Max plate dissipation
- 3000 W
- Max screen dissipation
- 100 W
Representative electrical section; repeated identical sections are 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.