If you’ve ever cast your eyes towards experimenting with microwave frequencies it’s likely that one of your first ports of call was a cheaply-available Doppler radar module. These devices usually ...

Oscillators with components that aren’t electrically connected to anything? PCB traces that function as passive components based solely on their shape? Slots and holes in the board with specific ...

Abstract: The results of the development of the transmitting module M45224 of Doppler speed and range measuring device (DISD) are presented. This module is designed to work in the ASC “Phobos-Grunt” ...

Abstract: A simple add-on module that allows the detection of human respiration and heart activity using an unmodified wireless telecommunications terminal is presented here. The module combines an ...