Hi Rudi,
I would like to explain the situation in a simple way. 40 years ago all the technical stuff worked slower than today (Just compare a Commodore C64 with an actual smartphone). Even the RC-equipment worked slower. Today the processors work much faster and more data will be transmitted in one second. The problem is, analog servos can not do with this high speed of data-transfer. They become hot and finally they will be destroyed. Digital Servos react much faster and can handle higher frequencies. This is the reason why we can change the frequency of data-transfers according to the components that are used. For example: a digital servo can handle a signal 80 times per second. An analog servo can handle just 50 times per second. The digital servo reacts more precise and - of course- much faster on Your steering-input. than an analog one.
I hope You can do with my explanation, too.
Tom
