40m experimental receiver based on the DSP board of Detlef Rohde DL7IY.
Year built: 2005
FFT Analyzer (Atmega 8)

Device Properties:

Demodulation LSB, USB, CW, DRM
Bandpass tuning
PLL synthesizer (MC145151) Premix
Mixer: 2 pieces SL6440
Antenna connectors: HZ Impedance 50Ohm
Battery powered for 31/2 hours
Graphic display: 64x128px

For a detailed explanation of the device, see attached ideo below.