Tube-number record
ZP-1025
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BrandGeneral Electric
ClassTriode
BasePlanar / disc seal
Filament6.3 V @ 3800 mA
Construction
Primary TypeTriode
EnvelopeMetal and Ceramic
SectionsSingle
Filament / Heater
Heater NotesBecause of back-heating due to transit time effects, it may be necessary to reduce the heater voltage. Typical heater voltage is 5.5 volts for certain 1100 MHz conditions.
Absolute Maximum Ratings
Plate Voltage6000 V
Plate Dissipation110 W
Grid 1 Voltage-400 V
Cathode Current10000 mA
Audio Performance
Power Output24000 W
Key Features
- Internal Feedback for Oscillator Service
- Grounded-Grid Operation
- Metal and Ceramic construction
- Heat-sink cooled
- Small size
- Long pulse width capability
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Plate-Pulsed Oscillator-Class C (1300 MHz) | 6000 V | — | — | — | 7000 mA |
| Grid-Pulsed Oscillator-Class C (1100 MHz) Case 1 | 1750 V | — | — | — | 2200 mA |
| Grid-Pulsed Oscillator-Class C (1100 MHz) Case 2 | 1950 V | — | — | — |
Application Notes
Especially designed for pulsed oscillator service in L-band, particularly suited for airborne radar equipment such as IFF transponders. Features internal feedback eliminating complicated external circuits.
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