Suggested by Texas Instruments in 1968 documentation, this circuit uses components from the era. Modern diacs and SCRs can be employed.
We found this interesting timer circuit or CMOS timer in a 1988 publication. The circuit is still...
This circuit found in Radio Electronics can be used in games to produce a random pulse train. The...
We found this amplifier with high input impedance and low capacitance, using FET, in a...