Tube-number record
1LOAMP7
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BrandWestinghouse Electric Corp.
ClassRadar Display Tube
BaseDuodecal
Filament6.3 V @ 0.6 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRound Glass
Base MaterialPlastic
SectionsDual
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage12000 V
Plate Dissipation3.5 W
Grid 2 Voltage350 V
Grid 1 Voltage-150 V
Cathode Current25 mA
H-C Voltage180 V
Audio Performance
Key Features
- Low Drive
- High Transconductance
- Long-persistence P7 screen
- Neutral gray glass faceplate
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Section | 160 V | 13000 | 1540 | 20 | 20 mA |
| CRT Gun Section | 10000 V | — | — | — | — |
Application Notes
Designed for radar display applications. Input signal of 3.5 to 5.5 volts drives the tube to full brightness (400 to 750 microamperes peak anode current).
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