ML-7855/AL
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BrandMachlett
ClassUHF Planar Triode
BasePlanar / disc seal
Filament5.7V @ 1mA
Construction
Primary TypeTriode
EnvelopeCeramic-and-metal
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated Phormat cathode; minimum heating time 60 seconds.
Absolute Maximum Ratings
Plate Voltage2500 V
Plate Dissipation100 W
Grid 1 Voltage-150 V
Cathode Current125 mA
Audio Performance
Key Features
- Airline Quality
- Extended Life
- Phormat Cathode
- Frequency Stable
- Ruggedized
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Power Amplifier, Grid Separation Circuit (500 MHz) | 900V | 25000 | - | 100 | 90mA |
| RF Oscillator (2.55 GHz) | 900V | - | - | - | 90mA |
Application Notes
Intended for airline avionics equipment transmitter service up to 3 GHz as oscillator, frequency multiplier, or amplifier.
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