Tube-number record
TCM 15X
0 archive entries
TCM 15X is a tube type in the TubeDatabase archive (class: Barrier Grid Storage Tube). Recorded specifications: brand CSF (Compagnie générale de télégraphie Sans Fil), year 1960, construction Display / CRT, base Plastic, and socket Diheptal. The archive does not yet hold a photographed example of this type.
BrandCSF (Compagnie générale de télégraphie Sans Fil)
ClassBarrier Grid Storage Tube
BaseDiheptal
Filament6.3 V @ 0.6 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic
SectionsSingle gun
Filament / Heater
Heater NotesHeating transformer insulated for 1.5 kV
Absolute Maximum Ratings
Cathode Current3 mA
H-C Voltage1500 V
Audio Performance
Key Features
- High resolution gun
- Electrostatic focusing lens
- Electrostatic deflecting plates
- Secondary emission dielectric target
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Static Operating Values | 1000 V | — | — | — | 0.003 mA |
Application Notes
To write, target backplate G6 is set to d-c bias Vpi (+45V used in some applications). To read, G6 potential is switched to VpI (usually 0V).
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