The invention relates to a wake up circuit comprising an antenna with a matching circuit, a wake up radio electrically coupled to the antenna, and an electronic circuit electrically connected to the antenna and the wake up radio such that the wake up radio triggers the electronic circuit on with a predetermined signal. In accordance with the invention between the antenna and the wake up radio is connected a passive mixer.
|IPC||H04W 52/ 02 A I|
|Publication status||Published - 3 Jul 2014|
|MoE publication type||H1 Granted patent|