Data set 01
1956 RCA Transmitting Tubes
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Application
Service
Push-pull RF power amplifier / oscillator
PushPull
Other
Maximum full-rating frequency
15 MHz
Power - Beam (NOT sweep) ·BeamPower-BeamPower
3E22
Twin beam-power transmitting tube designed for push-pull RF power-amplifier and oscillator service in mobile equipment, with full ratings through approximately 15 MHz.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- SEPTAR7
- Base pins
- -
- Nominal heater
- 6.3 V / 1.6 A
Description
Twin beam-power tube for push-pull mobile RF amplifier and oscillator service.
Socket description
Septar 7-contact base
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- SEPTAR7
- Base pins
- -
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 1.6 A
- Parallel heater voltage
- 6.3 V
- Parallel heater current
- 1.6 A
- Series capable
- Yes
Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
2 physical sections, each with unique specifications.
Section 1
Beam Power
X-ray radiationInterelectrode capacitances
- Max plate voltage
- 600 V
- Max screen voltage
- 225 V
- Max plate dissipation
- 35 W
Two identical beam-power units; represented once under identical-section compression.
Section 2
Beam Power
X-ray radiationInterelectrode capacitances
- Max plate voltage
- 600 V
- Max screen voltage
- 225 V
- Max plate dissipation
- 35 W
Identical second physical BeamPower section; duplicated from representative section per physical-section-row policy.
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.