Hem SAQ Forum SAQ Technical Discussions TX frequenciy audible Svar till: TX frequenciy audible

Emil Obermayr

Sorry to pick up this old topic. But I’d like to clarify my question:

It is clear that an electro-magnetic wave can not be heard directly, no matter of which frequency.

But the 17200 Hz go through several inductive components, which generates mechanical forces, which should lead to some vibrations. It is the same way you sometimes can hear the 50Hz if some high power devices do vibrate mechanically due to some “loose” inductive components.

I guess the other components of the transmitter are so loud that an additional “whiste” is hard to detect. But has ever someone reported to hear it? maybe a child?


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