default { A two 'fake' cavity klystron, ExitPorts replacing the cavities. } Region { Grid { n2 = 1.000e+00 x2f = .07569 x2s = 0.000e+00 K = 25 n1 = 1.000e+00 x1f = 3.720e-01 x1s = 0.000e+00 J = 74 Rule { Limit n1 < 2.500e-01 Fatal -- n1 < 0.25 grid spacing too nonuniform to ensure accuracy } } Control { B01 = 6.000e-1 dt = 5.000e-12 Rule { Limit dt <= 0.000e+00 Fatal -- time step must be positive } } CylindricalAxis { normal = 1 k2 = 0 j2 = 74 k1 = 0 j1 = 0 } Conductor { normal = 1 k2 = 0 j2 = 0 k1 = 22 j1 = 0 } Conductor { normal = 1 k2 = 22 j2 = 0 k1 = 25 j1 = 0 } Conductor { normal = -1 k2 = 22 j2 = 74 k1 = 25 j1 = 74 } Species { name = electrons m = 9.11e-31 q = -1.6e-19 } BeamEmitter { np2c = 3.000e+10 I = 1.2e4 speciesName = electrons v1drift = 2.480e+08 normal = 1 k2 = 22 j2 = 0 k1 = 24 j1 = 0 } Conductor { normal = -1 k2 = 25 j2 = 0 k1 = 25 j1 = 20 } ExitPort { normal = -1 k2 = 25 j2 = 20 k1 = 25 j1 = 24 A = 10 frequency = 1.21e9 EFFlag = 1 name = Input Gap Rin = 2300 R = 20 } Conductor { normal = -1 k2 = 25 j2 = 51 k1 = 25 j1 = 24 } ExitPort { normal = -1 k2 = 25 j2 = 55 k1 = 25 j1 = 51 EFFlag = 1 A = 0 name = Output Cavity R = 47.124 C = 0 } Conductor { normal = -1 k2 = 25 j2 = 74 k1 = 25 j1 = 55 } Conductor { normal = -1 k2 = 0 j2 = 74 k1 = 25 j1 = 74 } }