This circuit is from a 1980s Motorola documentation. The circuit makes use of old components that can in some cases be exchanged for modern equivalents.
In the figure we have an inductance bridge for values between 1 and 30 uH at a frequency of 5 MHz....
This traditional monostable configuration is from a Motrorola documentation from the 70s. The...
This basic configuration aof a touch switch controls a relay. Power supply can be 5, 6 or 12 V...