This circuit is suggested by Texas Instruments in old documentation. The components depend on the desired characteristics for the circuit. The power supply must be symmetrical.
Agostgo 2016 - Mouser Electronics is already providing the new TPS3890 voltage supervisors from...
Figure 1 shows a circuit than can be used as time stage in timers, and other applications....
This sound relay or Vox was found in 70s RCA documentation. SCRs can be common types today and...