Tube-number record
TH 9503
0 archive entries
TH 9503 is a tube type in the TubeDatabase archive (class: Character Generating Cathode Ray Tube). Recorded specifications: brand THOMSON CFTH HOUSTON, year 1968, construction Display / CRT, socket Subminiature, and maximum plate voltage 600 V. The archive does not yet hold a photographed example of this type.
BrandTHOMSON CFTH HOUSTON
ClassCharacter Generating Cathode Ray Tube
BaseSubminiature
Filament6.3 V @ 150 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesHeater current 0.150 A
Absolute Maximum Ratings
Plate Voltage600 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Mode 1: High resolution operation | 485 V | — | 10000 | — | 0.001 mA |
| Mode 2: Economical operation | 285 V | — | 10000 | — | 0.001 mA |
Application Notes
The output signal is generated by scanning the symbol that appears on the target pattern through an electron beam. A small T.V. type raster is generated in the scan circuit block.
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