Posts Tagged ‘Crossed field beam tube(M type)’

  • Microwave vacuum Tube devices Prologue

    Jun 27, 13 • 4251 Views • GeneralNo Comments

     These usual electronic vacuum tubes fails to operate above 1 GHz because of two reasons -appearance of the stray reactance due to the lead wire inductance and the inter-electrode capacitance also the electron transit time from the cathode to the grid