Narrow-bandwidth Television Association
Video amplifier and LED/neon driver board
Printed circuit board for easy construction of a video amplifier and
LED/neon driver. This circuit can be directly driven from the audio 'line'
output from a CD player running one of the club CD's.
Completed assembly of the PCB. No specialised components are
Block diagram of the LED / neon driver. Active and passive
clamping can be switch selectable using the 'clamp select' input. The clamping
pulses are derived from the sync separator board.
Downloadable: description of the assembly in pdf-format