| 1. | In 1901, Reginald Fessenden demonstrated a triode vacuum tube oscillator.
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| 2. | The DM160 is thus the smallest VFD and smallest triode valve.
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| 3. | It was the vacuum triode that made practical radio broadcasts a reality.
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| 4. | Several amateurs have experimented with the possibilities of using VFDs as triodes.
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| 5. | Valve preamplifiers use triodes or low-noise pentodes ( EF86 ).
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| 6. | Two triodes with the cathodes coupled together to form a differential pair.
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| 7. | The Barkhausen Kurz tube was a triode operated with the plate ).
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| 8. | The wide-band regenerative receiver used an RCA 955 acorn triode.
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| 9. | At fields around this point, the device operates similar to a triode.
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| 10. | A typical example, the 6AG11, contained two triodes and two diodes.
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