This board is a single integrating one shot with zero recovery time. This allows the output pulse to be extended indefinite by retriggering. This can be used to detect gaps in pulse trains or when a signal is below a frequency threshold. Delay range is 3.5 microseconds to .7 seconds
This board cost $45 in 1968.
Back to Previous page All of R series PDP-8 board information and pictures [an error occurred while processing this directive]