Here is a Crystal based pulse generator that gives 50Hz clock pulses from its output. This circuit can be used as the front end of circuits that require precision 50Hz pulses. The circuit uses two ...

This circuit and its description can be found as figure 13 in the AD8037 data sheet. (from the days when ADI appended lots of lovely app notes). The second pulse generator output (left) can be found ...

Witten, Germany — Designed to protect telecom lines against overcurrents, the new lead-free Protector 950 overcurrent protection device from WICKMANN is said to offer excellent pulse load capabilities ...