- 16:30, 15 April 2023 diff hist -46 Sampling of Analog Signals and Signal Reconstruction
- 15:34, 15 April 2023 diff hist +20 Principle of 4B3T Coding
- 19:26, 14 April 2023 diff hist -9 Principle of Pseudo-Ternary Coding current
- 19:26, 14 April 2023 diff hist -7 Principle of Pseudo-Ternary Coding
- 19:19, 14 April 2023 diff hist -25 Principle of Pseudo-Ternary Coding
- 00:40, 27 March 2023 diff hist 0 Sampling of Analog Signals and Signal Reconstruction
- 00:35, 27 March 2023 diff hist +28 Physical Signal & Equivalent Lowpass Signal
- 00:32, 27 March 2023 diff hist +3 Applets
- 00:25, 27 March 2023 diff hist +33 Physical Signal & Analytic Signal
- 00:12, 27 March 2023 diff hist +1 Linear Distortions of Periodic Signals
- 00:09, 27 March 2023 diff hist 0 Linear Distortions of Periodic Signals
- 00:08, 27 March 2023 diff hist -7 Linear Distortions of Periodic Signals
- 23:41, 26 March 2023 diff hist +32 Graphical Convolution
- 23:34, 26 March 2023 diff hist -34 Eye Pattern and Worst-Case Error Probability
- 23:05, 26 March 2023 diff hist +2 The Doppler Effect current
- 22:50, 26 March 2023 diff hist +65 Discrete Fouriertransform and Inverse
- 22:40, 26 March 2023 diff hist -3 Binomial and Poisson Distribution (Applet) current
- 22:20, 26 March 2023 diff hist +1 Bessel Functions of the First Kind current
- 23:04, 25 March 2023 diff hist -28 Attenuation of Copper Cables
- 23:00, 25 March 2023 diff hist +11 Attenuation of Copper Cables