Tube-number record
V97
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BrandNippon Electric Company, Limited
ClassPentode
Base3-pin / Peewee
Filament6.3 V @ 2 mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesUnipotential cathode
Absolute Maximum Ratings
Plate Voltage1250 V
Plate Dissipation100 W
Grid 2 Voltage300 V
Grid 1 Voltage300 V
Cathode Current200 mA
H-C Voltage200 V
Audio Performance
Key Features
- Natural Air Cooled
- Pentode
- Oxide Coated Unipotential Cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Power Amplifier | 1000 V | 6500 | — | — | 140 mA |
| RF Power Amplifier | 1250 V | 6500 | — | — | 140 mA |
| RF Power Amplifier (Max) | 1250 V | 6500 | — | — | 200 mA |
Application Notes
Designed for use as a HF power amplifier, grid modulated amplifier, and AF power amplifier or modulator. Maximum ratings apply up to 25 MHz.
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