UCH11
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BrandPhilips
ClassTriode-Hexode
BaseSteel base (Sockel Y)
Filament20V @ 0.1mA
Construction
Primary TypeTriode-Hexode
EnvelopeMetal/Glass
Sections2
Filament / Heater
Heater NotesIndirect heating, series supply
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation1.5 W
Grid 2 Voltage125 V
Grid 1 Voltage-1.3 V
Cathode Current45 mA
H-C Voltage200 V
Audio Performance
Key Features
- Frequency converter
- Indirectly heated
- Series supply
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode typical characteristics | 150V | 3200 | - | 17 | 19mA |
| Hexode section converter 100V | 100V | 450 | 600000 | - | 1.2mA |
| Hexode section converter 200V | 200V | 750 | 1000000 | - | 2.5mA |
| Triode section as oscillator 100V | 60V | - | - | - | 1.4mA |
| Triode section as oscillator 200V | 115V | - | - | - | 2.8mA |
Application Notes
Used as frequency converter in AC/DC radio receivers.
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