| 1. | A pentode has an additional suppressor grid ( g3 ) to eliminate the tetrode kink.
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| 2. | The device had no suppressor grid.
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| 3. | A suppressor grid is also called the antidynatron grid, as it helps to reduce the dynatron effect.
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| 4. | Examining the mica spacer on the top of the tube will confirm the lack of a suppressor grid.
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| 5. | Grid 4 screened this from the anode, and grid 5 was a suppressor grid to suppress secondary emission.
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| 6. | The suppressor grid is given a low potential, it is usually either grounded or connected to the cathode.
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| 7. | Pentodes are made in two classes : those with the suppressor grid wired internally to the cathode ( e . g.
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| 8. | The suppressor grid is usually connected to the cathode and more often than not, this connection is made within the glass envelope.
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| 9. | The primary electrons from the cathode have a higher kinetic energy, so they can still pass through the suppressor grid and reach the anode.
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| 10. | EL84 / 6BQ5 ) and those with the suppressor grid wired to a separate pin for user access ( e . g . 803, 837 ).
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