Secondary: ********** d = 21,5 mm h = 31 mm (41 mm form, ratio 1,44:1) N = 470 wired = 0,066 mm wirel = 32 m RDC = 176 ohm RAC = 177 ohm Topload (copper toroid): ************************ din = 16,6 mm dout = 27,4 mm dpipe = 5,4 mm Ct = 1,15 pF computed f0: 3,18 MHz; 2,18 MHz with topload computed L: 2,471 mH computed C: 1,011 pF computed XL: 49438 ohm estimated Q0: 34 measured f0: 2,6 MHz; 2,25 MHz with topload measured RDC: 321 ohm measured Q0: 60 (according to f-char Q=f0/B3) Primary (solenoid): ******************* d = 36 mm h = 16 mm N = 4,8 wired = 2,2 mm RDC = 2,2 mohm RAC = 31,0 mohm computed L: 0,913 uH (gives C=4,04 nF / 5,5 nF with topload / 4,6 nF for IRFP460 class E) computed Q: 416 computed coupling k: 0,42 Class-E SSTC test: ****************** half-wave rectified power supply, Cres = 4,7 nF / 1250 V, Cc = 150 nF / 1000 V, L = 120 uH f [kHz] | Uav [V] | Iav [A] | P [W] --------+---------+---------+------ 160 | 10,0 | 1,2 | 12 247 | 8,2 | 2,0 | 16 305 | 6,6 | 3,2 | 21 460 | 6,6 | 3,2 | 21 580 | 7,1 | 2,9 | 20 760 | 8,6 | 2,1 | 18 1190 | 9,7 | 1,2 | 12 2240 | 8,5 | 1,9 | 16