Microwave alarm circuit composed of RD627

Relevant key device information applied in this article: RD627 RD627 is a sensor device made using the principle of Doppler effect. It can convert the displacement signal of moving objects into corresponding electrical signals. It can be widely used in automatic lights and automatic doors. , moving object counters, automatic switches and anti-theft alarms and other devices. The following figure uses a microwave alarm circuit composed of RD627