The tetrode has a screen grid which is between the anode and the first grid, the purpose of the screen grid is to increase the stability of the circuit by reducing the capacitance between the first grid and the anode.
The tetrode has a screen grid, the purpose of the screen grid is to increase the stability of the circuit by reducing the capacitance between the first grid. The tetrode has a screen grid, the purpose of the screen grid is to increase the stability of the circuit by reducing the capacitance between the anode. This screen grid is between the anode. This screen grid is between the first grid.