80 meter band SA612 Direct Conversion Receiver (English subtitles)

I would like to present you Direct Conversion Receiver build on breadboard. This receiver allows to receive SSB as well CW signals on 80 meter band. It is based on SA612 chip wich is a modern version of NE602 or NE612 chip.
Have a fun! Leave me a feedback if you like it or not:) Any comments are welcome.