Compatible with 5000-series scopes
Produced from 1975 to 1980
The Tektronix 5B31 is a digitally delayed sweep plug-in for 5000-series scopes.
It was introduced in 1975.
The delay time can be set in 1 μs steps from 0 to 99,999 μs.
It has an internal crystal and counter.
5A48, 5A22N, and 5B31