Rca1948FrequencyModu.. - The New Jersey Antique Radio Club

480 FREQUENCY MODULATION, Volume IFUA«> (21)9ird 2 tIt is clear from (21) that A» may be increased further by reducing d.However, d may not be reduced beyond the point where electrons arecaught by the electrodes. The minimum d is determined by the requirementthat the maximum orbit diameter be just equal to d/2 for a beamof negligible thickness, orXmax — & 'dm o> 2tt 2Recalling that V uc= E d, we haved* V an lei