TBH7/9000
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ClassWater Cooled Industrial R.F. Power Triode
Construction
Primary TypeTriode
EnvelopeMetal-Glass with integral helical cooler
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage8000 V
Plate Dissipation6000 W
Grid 1 Voltage-1250 V
Cathode Current1800 mA
Audio Performance
Key Features
- Water cooled
- Integral helical cooler
- Thoriated tungsten filament
- Continuous service
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| R.F. Class C oscillator, continuous service (7.2kV) | 7200V | 12000 | - | 24 | 1500mA |
| R.F. Class C oscillator, continuous service (6.2kV) | 6200V | 12000 | - | 24 | 1400mA |
Application Notes
Mounting position vertical with anode down. At frequencies above 4 MHz a low velocity air flow should be directed to the seals. Both grid terminals should be connected in parallel above 4 MHz to distribute R.F. current equally.
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