Data set 01
1947 Westinghouse
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Application
Application
Radar_TransientStorage_DataTransmission text
Specialized - Cathode Ray ·CathodeRay
7228
Five-inch direct-view storage tube for radar, transient studies, data transmission, and visual display. It stores written information electronically for persistent, flicker-free observation.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- SMALLBUTTON35
- Base pins
- -
- Nominal heater
- 6.3 V / 600 mA
Description
Five-inch direct-view storage tube for radar, transient studies, data transmission and visual display.
Socket description
Small-button 35-contact base
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- SMALLBUTTON35
- Base pins
- -
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 600 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
Cathode Ray
X-ray radiationInterelectrode capacitances
- Max plate voltage
- 11000 V
Direct-view storage electron-beam system.
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.