Overview


The two holes for PM-2 used to mount a aluminium sheet with the circuit board on. The two-layer circuit-board The circuit-board mounted on place Butterworth filter response for the Burr-Brown LP-filter
Velcro-disc mounted fans Fan torn out. From the left 516F-2, KWM2A, DDS-2A, VOGAD micamplifier and two dynamic Mymex microphones The DDS vfo adapter to the left and the AGC- board to the right with the tubsocket plug.

The circuit diagram (will open in a new window) >>

Windows Media Player (.wmv)

Needle movement (Modem 56 kbps)
Needle movement (Cable, DSL)