https://peertube.magdowski.de/videos/watch/ec0f4836-20c7-4fe2-8971-5d86e4f6d8c0 In this recording of a live-streamed exercise within the electromagnetic compabitility module, we discussed the solution of Task 7 and 21 about capacitive coupling from our exercise booklet. Exercise booklet: print version: https://cloud.ovgu.de/s/PTfXwD74kwbYaYM smartphone version: https://cloud.ovgu.de/s/KKoQeBJdimFzwWg Notes: https://cloud.ovgu.de/s/f3EmgFmsJLd8yyQ GNU Octave commands: r_0=4e-3 kappa=58e6 l=2e3 A=pir_0^2 R_w=l/kappa/A epsilon=8.854e-12 s=0.3 h=4 help log C_w=piepsilonl/log(s/r_0) C_g=2piepsilonl/log(2h/r_0) f=1e3 omega=2pif Z_Cg=1/j/omega/C_g Z_Cw=1/j/omega/C_w R_L1=600 parallel=@(Z_1,Z_2) Z_1Z_2/(Z_1+Z_2) Z_eq=parallel(Z_Cg,parallel(R_L1,Z_Cw+Z_Cg)) abs(Z_eq) R_G1=600 U_1=100 U_dash=U_1Z_eq/(R_G1+Z_eq) abs(U_dash) angle(U_dash)180/pi R_G2=600 R_L2=600 parallel(R_G2,R_L2)/(parallel(R_G2,R_L2)+Z_Cw) parallel(R_G2,R_L2)/abs(Z_Cw) U_2=1/2U_1Z_Cg/(Z_Cw+Z_Cg) U_2=1/2U_1parallel(R_G2,R_L2)/(Z_Cw+parallel(R_G2,R_L2)) abs(U_2) angle(U_2)*180/pi LTspice circuits: https://cloud.ovgu.de/s/q3K9CASW2cLMek6 LTspice download: https://www.analog.com/en/resources/design-tools-and-calculators/ltspice-simulator.html Chapter marks: 0:00:00 Welcome and explanation of the task 0:02:24 Subtask a) Equivalent circuit diagram 0:11:15 Electrical size 0:15:26 Wire resistance and stray capacitances 0:24:37 Mirror principle 0:30:32 Subtask b) Open-circuit case 0:48:40 Subtask c) 600 Ω termination 0:59:57 LTspice simulation Unfortunately, it was quite hot in the room, so that the computer heated up quickly and got very slow, so that the recording is very laggy towards the end. Sat, 30 May 2026 18:22:39 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://peertube.magdowski.de https://peertube.magdowski.de/lazy-static/avatars/df74db12-5ddc-45c0-afab-4cdf2486a5a1.jpg https://peertube.magdowski.de/videos/watch/ec0f4836-20c7-4fe2-8971-5d86e4f6d8c0 All rights reserved, unless otherwise specified in the terms specified at https://peertube.magdowski.de/about and potential licenses granted by each content's rightholder.