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